W.E. Anderson 185 Series Manuale utente

Series 185/285 Smart Positioners

Specifications - Installation and perating Instructions

Bulletin V-185/285

DWYER INSTRUMENTS, INC.

Phone: 219/879-8000 www.dwyer-inst.com

P. . B X 373 • MICHIGAN CITY, INDIANA 46361, U.S.A. Fax: 219/872-9057 e-mail: [email protected]

SPECIFICATI NS

Input Signal: 4 to 20 mA DC.

Input Impedance: 460 Ω max @ 20 mA DC.

Enclosure: Aluminum, SS.

Air Supply: 35 to 116 psi (3.5 to 9 bar).

Air Connection: 1/4˝ NPT.

Gage Connection: 1/8˝ NPT.

Conduit Connection: 1/2˝ NPT.

Linearity: ±0.5% FS.

Hysteresis: ±0.5% FS.

Sensitivity: ±0.2% FS.

Repeatability: ±0.3% FS.

Air Consumption: .0004 scfm (.01 LPM) at 20 psig (1.4 bar) supply.

Flow Capacity: 2.1 scfm (60 LPM) at 20 psig (1.4 bar) supply.

Stroke: 185: 0.5 to 6 in (10 to 150 mm); 285: 0 to 90°.

Enclosure Rating: N MA 4X (IP66).

Temperature: Operating: -22 to 185°F (-30 to 85°C).

Weight: 185: 3.3 lb (1.5 kg); 285: 6.4lb (2.9 kg).

Lever: 185: .39 to 1.57 in (10 to 40 mm); 285: NAMUR.

The Series 185 and 285 Smart Positioners control valve movements accurately

using an input signal of 4 to 20 mA from the controller. In addition, a highly efficient

microprocessing operator built into the product performs various functions such as

auto calibration, PID control, alarm and Hart®protocol.

Features

• LCD allows the user to directly check the positioner condition in the field.

• ndures severe vibration.

• Operates normally regardless of changes in supply pressure during operation.

• Simple to use auto calibration.

• asily equipped on small actuators because of its small size.

• Low air consumption reduces operating cost.

• Can be used in low voltage (8.5 V), leaving no limitation in controller.

• Variable orifice is applied in case of a small actuator; the hunting is controlled

to the optimum condition during operation.

• HART®communication processes various information for the valve and

positioner.

• Valve system is stabilized by outputting analog feedback signal.

• The adjustment of valve characteristics (linear, quick open, equal percentage)

is available.

• Specific flow control is available with setting 16 points at users’ command.

• Tight shut-close and shut-open can be set voluntarily.

• PID parameters can easily be adjusted in the field without additional

communicator.

• The pressure of air filter regulator is sent directly to actuator using A/M

switch.

• Split ranges such as 4 to 20 mA, with 12 to 20 mA available.

• Setting zero and span as partial section is available by hand calibration

function.

• The valve defect is easily checked because the valve can be operated

voluntarily.

• Air filter regulator can be attached to the product with only one linear nipple

without extra piping.

LCD SCREEN

SMART POSITIONER

3-27/32

[97.50]

3-1/64

[76.50]

4-7/64

[104.20]

SUPPLY

1/4 NPT

2-33/64

[64.00]

2-11/32

[59.60]

4-13/32

[111.90]

STAINLESS STEEL

4-31/64

[113.8]

STANDARD

CONDUIT ENTRY

1/2 NPT

8-31/64

[215.70]

DOUBLE

ACTION

SINGLE

ACTION

3-47/64

[95.00]

Series 185

Series 285

HART® is a registered trademark of Hart Communication Foundation

Structure

The structure of the 185 is shown below. The Series 285 structure is the same as

the linear model without the feedback lever.

Installation

Note: When the positioner is replaced or installed with the actuator, make sure of

the following:

-All inputs and supply pressure to the valve, actuator and other instruments must

be shut down.

-The control valve must be separated from the system with a bypass valve or

other equipment so that the entire system does not shut down.

-No pressure remains in the actuator.

Tools For Installation

• Hexagonal wrenches

• (+) Screw driver

• (-) Screw driver

• Spanners for hexagon head bolts

Series 185 Installation

Series 185 is used for linear motion valves such as Dwyer Instruments’ globe

valves using a spring return type diaphragm actuator or piston actuator. The

Series 185 consists of the following components. Be sure that all the components

are included.

1. Series 185 main body

2. Feedback lever and lever spring

3. Flange nut (attached on the bottom of main shaft of Series 185 body)

4. Four hexagon head bolts M8x1.25P

5. Four M8 plate washers

Installing Series 185 with Bracket

It is necessary to make a proper bracket to attach on the actuator yoke.

The most important considerations in the design of the bracket are as follows:

- Series 185 feedback lever should be at 50% of valve stroke.

- Feedback level connection bar of actuator clamp should be connected in the

position so that the valve stroke and the numbers carved on feedback lever are

fitted. If the bracket meets the above conditions, Series 185 can be installed very

easily.

2. Assemble Series 185 and bracket with bolts. Use standard bolts in bolt holes

on the backside of the unit.

Installing Series 185 with Bracket

3. After assembling Series 185 and bracket with bolts, attach it using bolt holes of

actuator yoke. Do not tighten completely, there must be some space.

4. Install bar connected with Series 185’s feedback lever on the actuator clamp.

The slot length between Series 185’s feedback lever is .26˝ (6.5 mm), so the

diameter of the connection bar should be less than .25˝ (6.3 mm).

5. Connect the air filter regulator with the actuator temporarily. Set supply

pressure of air filter so that the actuator clamp is positioned at 50% of valve

stroke.

LCD SCREEN

SMARTPOSITIONER

100

LCD SCREEN

SMARTPOSITIONER

6. Insert the connection bar attached on the actuator clamp into the slot of Series

185’s feedback lever. In order to reduce hysteresis, it should appear as shown:

7. Check that the Series 185’s feedback lever is level at 50% of valve stroke. If

not, move bracket or feedback link until it is level. Product linearity becomes work

if Series 185 is installed without being level at 50% of valve stroke.

8. Check valve stroke. The numbers indicating stroke are carved in the Series

185’s feedback lever. Set the connection bar attached on the actuator clamp to

the number on the feedback lever applicable to valve stroke as shown in the

following picture. To set the connection bar and the number, move the bracket

attached on Series 185 or connection bar from side to side.

NOT : After installation, operate the valve from 0 to 100% stroke using an air

filter regulator on the actuator. When the stroke is both 0 and 100%, the feedback

lever should not reach to the lever stopper on the backside of the Series 185 unit.

If the feedback lever reaches the lever stopper, move attachment of Series 185

away from the yoke center.

9. Once the Series 185 is installed according to the above procedures, tighten the

bolts and nuts of the bracket and feedback lever connection bar completely.

Series 285 Installation

Series 285 is designed for rotary motion valves such as Dwyer Instruments’ ball

and butterfly valves using rack and pinion, scotch yoke or complex type actuators

whose stem is rotated 90°. Series 285 positioners consist of the following

components:

Series 285 main body

Fork lever and lever spring to attach on actuator

1 bracket

Four hex bolts M8x1.25P

Four M8 plate washers

Series 285 Installation Example of Fork Lever

605040

90°

50%

LCD SCREEN

SMART POSITIONER

3010 20 40 50 60 70 1501401301201101009080

402010 30 80 90 100 110 120 130 140 150706050

NoTouch!

Stroke 40 mm

Stroke 90 mm

Installing Series 285 with Bracket

Series 285 is supplied with a standard bracket. The bracket consists of two parts

and is used with a NAMUR shaft. The bracket is assembled in the factory based

on .79˝ (20 mm) of actuator stem height. If the actuator stem height is higher,

such as 1.18˝ (30 mm), or 1.97˝ (50 mm), reassemble the bracket adjusting to the

actuator stem height. Refer to the table below to check hole positions.

x) If H is 30 mm, A-L should be locked in H:30 hole, B-L in H:20, 30, A-R in

H:30, and H:20, 30 with bolts.

1. Typically, actuator stem heights (H) are .79˝, 1.18˝, and 1.97˝ (20, 30, and 50

mm). After checking H, assemble brackets following previous guidelines. The

bracket is set at .79˝ (20 mm) in the factory.

2. Attach bracket to the actuator using hex bolts. The diameter of the bracket bolt

holes are .24˝ (6 mm). Use spring washers or thread lock compound so the bolts

will not be loosened by vibration or impact. The direction of the bracket varies by

operating conditions, but normal direction is depicted in the following picture. That

is, when the piping of actuator and Series 285 is as shown in direction A, the

bracket hole and indicator attached on the bottom of the Series 285 main shaft

should be mounted in the same direction.

3. Set the rotation position of the actuator stem as the initial zero point, which is

0% stroke. For a spring return type actuator, the actuator stem is always rotated

to the zero point without supply pressure, making it easy to check the zero point.

If the actuator is double-acting, check whether the rotation direction of the

actuator is clockwise or counter-clockwise, or the rotation direction of the actuator

is using supply pressure.

4. Set the actuator stem as the initial zero point and install a fork lever as

showing in the following picture. Confirm the position of initial zero point when

actuator stem is turned clockwise and counter-clockwise. Installation angle of fork

lever should be about 45 degrees based on the linear shaft. But the angle is not

related to NAMUR shaft.

5.Once the fork lever position is set, lock the check nuts on the bottom of the fork

lever by turning clockwise. Set the upper height of the fork lever to .24˝ to .43˝ (6

to 11 mm) lower than the upper height of the bracket.

6. Attach Series 285 unit to the bracket. Fix the clamping pin on the main shaft

center of the Series 285 into the hole of the fork lever. Insert the connection bar

attached on the main shaft lever into the fork lever slot to be locked by the fork

lever spring. This is to fit the main shaft of the Series 285 to the center of the

actuator stem. If they are not fitted correctly, too much force on the main shaft will

greatly reduce product durability.

7. Attach Series 285 base and the bracket with hex bolts and plate washers. It is

best to lock the bracket and Series 285 together by inserting four bolts after

checking the position.

PIPING C NNECTI N

Conditions of Supply Pressure

1. Dry air with a dew point that is at least 50°F (10°C) lower than that of the

ambient temperature.

2. Free from solid particles. Result of being passed through 5 micron or finer filter.

3. Does not contain oil or lubricating oil.

4. Comply with ANSI/ISA-57.3 1975(R1982) or ISA S7.3-1975(R1981).

5. Not used beyond the range of 20 to 100 psi (140 to 700 kPa).

6. Set supply pressure of air filter regulator to 10% higher than operating pressure

of actuator.

Conditions of Pipe

Remove foreign objects from inside of pipe.

Do not use squeezed or broken pipe.

To maintain flow rate of Series 285, use a pipe with inner diameter of greater than

.24˝ (6mm) (outer diameter .39˝ (10 mm)).

450

6~11mm

Actuator Stem (H)

Actuator

Direction A

Attachment Direction of Bracket and Actuator

Counter-Clockwise

Clockwise

Bracket

Fork Lever

Actuator

Fitting the Pin on the Series 285 Main Shaft Into Fork Lever Hole

Actuator Stem

Height (H)

20 mm

30 mm

50 mm

B-L

H: 20, 30

H: 50

A-L

H: 20

H: 30

H: 50

A-R

H: 20

H: 30

H: 50

B-R

H: 20, 30

H: 50

Markings of Bolt Holes

450

1. To prevent ingress of moisture, oil and dust, give careful

consideration to the choice of supply pressure compressor

and piping.

2. It is recommended to attach filter or air filter regulator in front of the supply port

of the Series 285 unit.

N TICE

Piping Connection With Actuator

Single Acting Actuator

Series 185 and Series 285 single acting units are set to use OUT1 port. Therefore,

when using the single acting spring return actuator, OUT1 port should be connected

to the supply pressure port of the actuator.

Double Acting Actuator

For the Series 185 and 285 double acting types, OUT1 and OUT2 ports are used.

Power Connection

Terminal Connection of Current Input Signal

1. Open cover by loosening the four M4 bolts on positioner cover.

2. Loosen locking bolts of terminal plate.

3. Insert a cable through the cable connector in the positioner.

4. Use a ring type cable terminal so that it does not come out.

5. Insert terminal bolts in terminal holes of cable and lock them with (+) terminal and

(-) terminals on the terminal plate. Tighten terminal bolts with 1.1 lb-ft (15 kfgcm) of

torque.

6. Be sure not to change the polarity of the terminals.

Terminal Connection of Feedback Signal

1. Open cover by loosening the four M4 bolts on positioner cover.

2. Loosen locking bolts of terminal plate.

3. Insert a cable through the cable connector in the positioner.

4. Use a ring type cable terminal so that it does not come out.

5. Insert terminal bolts in terminal holes of cable and lock them with (+) terminal and

(-) terminals on the terminal plate. Tighten terminal bolts with 1.1 lb-ft (15 kfgcm) of

torque.

6. Be sure not to change the polarity of the terminals.

Inner Terminal Connection to Ground

1. The ground is necessary for the safety of the positioner and system.

2. The ground terminals are inside the terminal in the center of the terminal plate

and outside terminal beside outer cable entry. Use any ground terminal that is

available and resistance must be less than 100 Ω.

Ground Terminal Connection

3. For use with inside ground, open cover by loosening the four M4 bolts of

positioner cover.

4. In order to maintain the ground connection, use a ring type ground cable terminal

to prevent it from coming out.

Variable rifice

Hunting can occur if the actuator volume is too small. In this case, adjust the

variable orifice using a (-) flathead screwdriver. Hunting is prevented by reducing

the flow rate of supply pressure transmitted to the actuator.

LCD SCREEN

SMART POSITIONER

LCD SCREEN

SMART POSITIONER

Piping Connection Example of Series 185 with Double Acting Actuator

Piping Connection Example of Series 285 with Double Acting Actuator

Terminal Plate of Series 185 and 285

Maximum pen

Minimum pen

1. Before connecting terminal, power must be shut off.

2. Use ring type terminal against oscillation, impact, etc.

3. Series 185 and 285 positioners use 4 to 20 mA DC for power. Minimum supply

current is 3.8 mA for all models. Maximum supply current must not exceed 24 mA.

4. In order to protect the Smart Positioner, the ground terminals should be

grounded.

5. Use twisted cable with conductor sectional area at least 0.0019 in2(1.25 mm2),

and suitable for 600 V as on conductor table of N C Article 310. Outer diameter

of cable should be .25˝ to .39˝ (6.35 to 10 mm). Use shielded wire against

electromagnetic waves and noise.

6. Do not install the cable near equipment such as a high-capacity transformer or

motor.

CAUTI N

Auto Calibration and Basic perations

Buttons perations

Series 185 and 285 positioners perform various functions using four buttons. The

position of the buttons is shown below:

<nter> : It is used to go to the main menu, save adjusted parameter values, or

choose sub menus.

< sc> : It is used to return to previous menu.

<UP> : It is used to move to another menu or change parameter values.

<DOWN> : It is used to move to another menu or change parameter values.

RUN mode

After connecting the power to the positioner, the following is displayed on the

LCD in 6 seconds.

RUN on the bottom line means that the Smart Positioner adjusts valve stroke

based on an outside signal (4 to 20 mA) and PV refers to the number on the

LCD. In RUN mode, valve stroke is changed according to input signal.

There are six options in RUN mode. In order to change display < SC> and <UP>

at the same time. When the buttons are pushed, display order is changed. If the

< SC> and <DOWN> buttons are pushed simultaneously, the order is opposite

and if < SC> is pushed only, display returns to RUN mode.

First Auto Calibration

First auto calibration is usually used when the positioner has not been set, such

as the initial setting with valve at the valve company, or replacement with other

product in the field. In this case, all parameters are set by using AUTO2

calibration.

1. Connect power. Any values between 4 to 20 mA (DC) can be used for power.

After connecting power, ‘R ADY 3, 2, 1’ message appears on the LDC, which

means preparing to operate PCB circuit and parts. The following message is

displayed in 6 seconds. Push < NT R> for 6 seconds at RUN mode, and AUTO

CAL message should appear.

2. Push < NT R> and then AUTO1 mode is started.

3. Push <DOWN> and AUTO2 mode is displayed.

4. Push < NT R> at AUTO2 mode. Auto 2 calibration is started and the next

modes are displayed in order on the LCD. Normally it will take 3 to 5 minutes for

auto calibration in AUTO2 mode, but it can be different based on actuator’s

volume.

5. When Auto calibration is done, ‘COMPL T ’ message appears on the LCD.

After 4 seconds the procedure is returned to RUN mode and the valve stroke by

current input signal is displayed as a percentage.

6. Zero, Span, PID parameters and RA/DA are automatically set when AUTO2

calibration is completed. Below: Entire Modes and Functions

Auto Calibration (AUT CAL)

The calibration of the positioner is simply performed by auto calibration. There are

3 types of auto calibration: AUTO1, AUTO2 and AUTO3.

AUTO1 calibration is useful for users in the field. AUTO2 calibration is for valve

companies or the initial parameter setting for the positioner.

It takes about 2-3 minutes for Auto calibration and it can be different based on the

actuator's volume. AUTO2 and AUTO3 calibration set the RA/DA automatically.

Auto Calibration Types

Auto 1 Calibration (AUT 1)

In this mode, all parameters necessary for valve operation are set except KP, KI,

KD and RA/DA. It is used to re-execute calibration by users in the field after being

supplied the positioner unit, whose parameters were set by the valve company.

1. Push < NT R> for 6 seconds in RUN mode and AUTO CAL message should

appear.

2. Push < NT R> and then AUTO1 mode is displayed.

3. Push < NT R> again at AUTO1 mode and Auto 1 calibration is started.

4. When Auto 1 calibration is done, ‘COMPL T ’ message appears on the LCD.

After 4 seconds the procedure returns to RUN mode and the valve stroke by

current input signal is displayed as a percentage.

Auto 2 Calibration (AUT 2)

All parameters necessary to operate valve are set. This calibration is used when

the positioner is first installed with valve. Refer back to First Auto Calibration.

Auto 3 Calibration (AUT 3)

All parameters necessary to operate valve are set except zero and end point.

This function is used to re-execute auto calibration without changing the zero and

end point after adjusting them manually.

1. Push <DOWN> at AUTO2 and AUTO3 is displayed.

2. Push < NT R> and AUTO3 calibration is started. The remaining procedures

of this calibration are the same as other calibrations.

Manual Mode

Manual mode is used to raise or lower the valve stem manually. In this mode,

valve stroke is adjusted only by operating buttons, not by the current input signal.

This mode does not affect controlling data registered in the positioner. It only is

used to move the valve stem up and down.

1. Push < NT R> at RUN mode until AUTO CAL message is displayed.

2. Push <DOWN> and MANUAL mode is displayed.

3. Push < NT R> again. Two lines appear on the LCD. The upper line indicates

valve stroke by percentage, and the lower line indicates absolute value of inner

resistance of the positioner. “MA” means that manual mode is in operation.

4. Push <UP> or <DOWN> and the valve stem moves up or down. Regardless of

RA/DA, if <UP> is pushed, the valve stem moves up (in case of linear valve). If

<DOWN> is pushed, the valve stem moves down. In order to make the valve

stem move fast, push < NT R> with <UP>, or <DOWN>.

5. Push < SC> and MANUAL mode is displayed.

Button

<NT R>

< SC>

Functions

nter to Main Menu and Sub-Menus, Save Adjusted

Parameter Values, etc.

Return to Previous Menu

Move to Next Menu, Change Parameter Values, etc.

Run PV

Run SV %

Run SV mA

Run MV

Run Vel

Run rr

Process Value

Set Value

Manipulate Value

Velocity

rror

Valve Stroke (%)

Input Signal (0 to 100%)

Input Signal (4 to 20 mA)

Motor/Piezo Valve Manipulate Value (Digit)

Current Value Stem’s Velocity (Digit)

Difference Between SV and PV (%)

AUT 1

AUT 2

AUT 3

Zero Point

End Point

KP, KI, KD

RA/DA

<UP> only

<DOWN> only

Increase stem value slowly

Increase stem value quickly

Decrease stem value slowly

Decrease stem value quickly

Since this makes the valve or actuator move, before auto

calibration, the valve must be separated from the entire

system.

CAUTI N

When the positioner is installed on the valve in the field after

setting, we recommend using AUTO1 calibration rather than

AUTO2 calibration. This is because the valve company sets optimum parameters

so it is better that those registered parameters are not changed by AUTO1

calibration.

CAUTI N

Parameter Mode (PARAM)

Parameter Types

There are four types in parameter mode: Dead Zone, KP, KI, and KD.

These values are reflected as soon as they are changed, therefore the

appropriate values are found by checking the valve’s motion in real time.

Dead Zone (dEAdZ NE)

This is the range of error % that the positioner is not adjusted. Hunting or

oscillation due to friction between the stem and packing is prevented by this

parameter.

This is a proportion constant value that is correction by error %. If this value is too

big, there can be hunting, even though it finds position by the input signal. If the

value is too small, accuracy gets worse.

This is an integral constant value adding or subtracting the correction that is

corrected error % on the previous correction signal. If this value is too big, there

can be oscillation. If it is too small, the time to find the exact position increases.

This is a differential constant value adding the previous correction signal with the

changing correction signal by the error % change rate.

Adjustment of Parameter

Dead Zone (dEAdZ NE)

1. Push < NT R> at RUN mode for 6 seconds and AUTO CAL message

appears.

2. Push <DOWN> twice and PARAM mode is displayed.

3. Push < NT R> and d AdZON mode is displayed.

4. Push < NT R> again and * AdZON message appears.

5. Adjust d AdZON value by pushing <UP> or <DOWN>. Adjusted value is

applied immediately without additional operation. Users can easily check its

adjustment by changing the current input signal to the positioner. Optimum control

value is found by adjusting values during valve operation.

6. Push < NT R> to save the value. + AdZON message appears on LCD.

7. Push < SC> three times to return to RUN mode.

1-3. Adjustment method and procedure same as d Adzone.

4. Push <DOWN> at d AdZON mode and KP mode is displayed.

5. Push < NT R> and *KP message appears on LCD.

6. Adjust KP values with <UP> or <DOWN>. Adjusted value is applied

immediately without additional operation. Users can easily check its adjustment

by changing the current input signal to the positioner. Optimum control value is

found by adjusting values during valve operation.

7. Push < NT R> to save the value. +KP message appears on LCD.

8. Push < SC>.

9. Push < SC> twice to return to RUN mode.

1-3. Adjustment method and procedure same as d AdZON .

4. Push <DOWN> 7 times at d AdZON mode and PT mode is displayed.

5. Push < NT R> at PT mode and *PT message appears on LCD.

6. Adjust PT value with <UP> or <DOWN>. Adjusted value is applied immediately

without additional operation. Users can easily check its adjustment by changing

the current input signal to the positioner. Optimum control value is found by

adjusting the values during valve operation. Push < NT R> to save the value

and +PT message appears on LCD.

7. Push < SC>.

8. Push < SC> twice to return to RUN mode.

HAND CAL

When auto calibration is started, Series 185 and 285 positioners set zero points

and end points based on full stroke.

Hand Calibration Types

PV_Z RO: dit mode to change the zero point of valve.

PV_ ND: dit mode to change the end point of a valve.

TR_Z RO: dit mode to change the zero point of transmitter.

TR_ ND: dit mode to change the end point of transmitter.

Adjustment of valve zero point (1 to 5) and end point (6 to 10).

1. Push < NT R> at RUN mode for 6 seconds and then AUTO CAL mode is

displayed. Push <DOWN> three times, the HAND CAL mode is displayed.

2. Push < NT R> at HAND CAL mode and PV_Z RO mode is started.

3. Push < NT R> at PV_Z RO mode and *PZ mode is started. At this mode, it

is available to change valve zero point, and the valve stem moves automatically

to the current zero point. On LCD, the valve stroke is displayed as 0%. +PZ

message that indicates edit mode of zero point and inner value showing current

zero point position is also displayed.

4. Adjust valve stem by pushing <UP> or <DOWN>. When valve stem has arrived

at the desirable zero point, save it with < NT R>. +PZ message appears on

LCD.

5. Push < SC> to return to PV-Z RO mode. (Push < SC> twice to return to

RUN mode.)

6. In order to change valve end point, push <DOWN> at PV_Z RO mode and

PV_ ND mode begins.

7. Push < NT R> at PV_ ND mode and *P mode is displayed. At this mode it

is available to change valve end point, and the valve stem moves automatically to

the current end point. On the LCD, the valve stroke is displayed 100%. *P

message indicating edit mode of the end point and inner value of end point is

also displayed.

8. Adjust valve stem with using <UP> or <DOWN>. When valve stem arrives at

the desirable end point, save it with < NT R>. +P message appears on LCD.

9. Push < SC> to return to PV- ND mode.

10. Push < SC> twice and RUN mode is displayed.

Adjustment of zero point (1 to 4) and end point (5 to 9) of transmitter.

If valve zero point and end point are changed, transmitter is also changed

automatically. Usually there is no need for the transmitter zero point and end

point to be adjusted by users, but if transmitter output signal is unstable,

transmitter zero point and end point should be adjusted. The ammeter showing

feedback signal is necessary and the connection should be down as shown.

1. Push <DOWN> at PV- ND mode and then TR_Z RO mode is displayed.

2. Push < NT R>. *R_Z RO mode is started and at this mode users can adjust

the zero point of the transmitter. Valve stem is moved to zero point automatically.

3. Push <UP> or <DOWN>. The number on the LCD is changed and the

measured current value is changed accordingly on an ammeter equipped outside.

Adjust it to be 4 mA and push < NT R> to save it. +R_Z RO message is

displayed.

4. Push < SC>. TR_Z RO mode is displayed.

5. Push <DOWN> at TR_Z RO mode. Then TR_ ND mode is displayed. (Push

<SC> twice to return to RUN mode.)

6. Push < NT R>. *TR_ ND mode is started and at this mode users can adjust

the end point of transmitter. Valve stem is moved to the end point automatically.

7. Adjust measured current value to be 20 mA on ammeter with <UP> or

<DOWN> buttons. Push < NT R> to save it. +R_ ND message appears.

8. Push < SC>. TR- ND mode is displayed.

9. Push < SC> twice to return to RUN mode.

Valve Mode

This mode adjusts the various characteristics.

Action Type (ACT)

It can be set to Direct Action (DA) or Reverse Action (RA).

Characteristics (CHAR)

Set Characteristics. There are three types of valve characteristics: Linear (LIN),

Q% ( Q), and Quick Open (QO). The following is the example of the three

characteristic curves.

User Characteristics (USER SET)

When a specific characteristic is needed but not included in the above

characteristics, the user can make a specific characteristic curve by choosing 16

points voluntarily according to the field conditions the user’s need.

Tight Shut pen (TSHUT P)

This allows the user to fully open valve at any value around the 20 mA current

input signal.

Tight Shut Close (TSHUT CL)

This allows the user to completely close valve at value around 4 mA input signal

from outside.

Split Range Control (SPLIT)

This allows the user to control entire stroke with input signals of 4 to 20 mA, 4 to

12 mA or 12 to 20 mA.

Adjustment of Acting Type (ACT)

1. Push < NT R> at RUN mode for six seconds and then AUTO CAL mode is

displayed. Push <DOWN> four times to go into VALV mode.

2. Push < NT R> and ACT RA (in case of RA) is displayed.

3. Push < NT R> again, then *ACT RA is displayed.

4. Adjust to *ACT DA by pushing <UP> or <DOWN> and save it with < NT R>.

+ACT DA message appears.

5. Push < SC> three times to return to RUN mode.

Adjustment of Characteristics (CHAR)

1. Push < NT R> at VALV mode and then push <DOWN>. CHAR LIN (in case

of linear characteristics) mode is displayed.

2. Push < NT R>. *HAR LIN mode is displayed and characteristics can be

adjusted at the mode.

3. Adjust Characteristics (ex: Q) by pushing <UP> or <DOWN> and save it with

< NT R>. + HAR Q is displayed.

4. Push < SC> three times to return to RUN mode.

Adjustment of User Characteristics (USER SET)

1. Push < NT R> at VALV mode and ACT RA or ACT DA is displayed.

2. Push <DOWN> twice, then US R S T mode is started.

3. Push < NT R>. *PO S T mode is displayed. In this mode, users can adjust

the first point of characteristic in 16 points. The number on the LCD is the valve

stroke percentage set to P0.

4. Adjust the valve stroke percentage using <UP> or <DOWN>.

5. Save it with < NT R>. While P0 value is being saved, *P1 S T mode is

displayed.

6. *P1 S T mode is used to adjust the second point characteristic in 16 points.

Adjustment method is the same as P0* S T mode.

7. Save the valve stroke percentage from P2 to P15 S T mode; save it with

< NT R>.

8. After adjustment of valve stroke percentage at *P15 S T mode, save it with

< NT R>.

9. +S R S T is displayed. Sixteen points of valve stroke percentage are all set.

Push < SC> three times to return to RUN mode.

Feed back signal

(12 ~ 30V)

4~ 20 mA

INPUT

Adjustment of Tight Shut pen (TSHUT P)

1. Push < nter > at VALV mode and ACT RA or ACT DA is displayed. Push

<DOWN> three times at this mode. TSHUT OP is displayed.

2. Push < NT R>. *SHUT OP mode is displayed and in this mode users can set

stroke at the time of Tight Open. Initial setting is done as 100%, which means

cancellation of this function. Adjust the value (ex: 95.0%) by pushing <UP> or

<DOWN> and save it with < NT R>. +SHUT OP is displayed.

3. Push < SC> three times to return to RUN mode.

Adjustment of Tight Shut Close (T SHUT CL)

1. Push < NT R> at VALV mode and ACT RA or ACT DA is displayed. Push

<DOWN> four times at this mode. TSHUT CL is displayed.

2. Push < NT R>. *SHUT CL mode is displayed and in this mode users can set

stroke at the time of tight close. Initial setting is done as 0.3%. 0% means

cancellation of this function. Adjust the value (ex: .5%) by pushing <UP> or

<DOWN> and save it by pushing < NT R>. +SHUT CL is displayed.

3. Push < SC> three times to return to RUN mode.

Adjustment of Split Range (SPLIT)

1. Push < NT R> at VALV mode and ACT RA or ACT DA is displayed.

2. Push <DOWN> five times and SPLIT mode is displayed. The numbers on the

LCD are the range of current signal input to the positioner. 4 to 20 mA current

signal is set as the standard.

3. Push < NT R>. *SPLIT mode is displayed and input signal range can be

adjusted. Adjust input signal range with <UP> or <DOWN> and save it with

< NT R>.

4. +SPLIT mode is displayed while saving adjusted range. Push < SC> three

times to return to RUN mode.

VIEW Mode

This mode provides users with various information about the Series 185 and 285

positioners. In this mode, users can change the valve stroke types displayed on

LCD to % or numbers. Refer to the next table for information and description

displayed on VI W mode.

1. Push <DOWN> at AUTO CAL mode and VI W mode is displayed.

2. Push < NT R> at VI W mode, then information mode is started.

3. Check information by using <UP> or <DOWN> and push < SC>.

4. Push < SC> again to return to RUN mode.

Information Checked on VIEW Mode

Error and Warning Code

If there are any problems during Series 185 and 285 positioner operation, you

can check the error and warning code at VI W mode as follows:

Error Code

This code is displayed when the Series 185 and 285 positioner control becomes

impossible. Code C, D applies.

YT-2500L

VERSI N

HART V

PL AddR

bIAS VI

0Y 0d

FULL_ P

FULL_CL

VM N R

Erro

VALUE I

ABS

Description

Positioner model

Main software version

HART Protocol version

Channel address that is used in HART Protocol

bIAS value for motor/piezo valve control. Can be adjusted only by

manufacturer.

Total used time duration. If a unit was used less than 1 minute, the

time does not accumulate.

Time elapsed for valve to fully open.

Time elapsed for valve to fully close.

Display type of valve stroke on LCD (either in percentage or value).

Display error code or warning message <Figure XX>.

Current I-Value. Can be adjusted only by manufacturer.

Display absolute resistance value.

Error Code

MT ERR L

MT ERR H

CHK AIR

RNG ERR

Code Description and Cause

Positioner is improperly installed.

Positioner lever is not parallel to

the ground at 50% point. Lever is

at lower position than actual 50%

point.

Positioner is improperly installed.

Positioner lever is not parallel to

the ground at 50% point. Lever is

at lower position than actual 50%

point.

Valve does not operate when

positioner receives “Full Open”

signal during auto calibration.

Operating angle is too small due

to improper mounting of

positioner.

rror 10% or above persists more

than 1 minute.

No valve movement.

Friction of valve is too large.

Setting pressure of actuator

changes.

I-Value reaches at maximum or

minimum limit point.

Friction of valve changes.

Setting pressure of actuator

changes.

Action

Re-install/mount the positioner.

Make sure the feedback lever

does not touch the stopper at both

0 and 100%.

Re-install/mount the positioner.

Make sure the feedback lever

does not touch the stopper at both

0 and 100%.

Check if supply pressure is stable

and appropriate.

Adjust bracket so the positioner

can be mounted closer to actuator.

Perform BAS calibration.

Check setting pressure of actuator

and set the pressure as

recommended.

Perform AUTO calibration.

Check setting pressure of actuator

and set the pressure as

recommended.

Warning Code

This code is displayed when the positioner control is available but there is a

possibility of malfunction or low accuracy. Code B, F, G, H applies.

MAINTENANCE/REPAIR

Upon final installation of the Series 185/285, no routine maintenance is required.

The Series 185/285 is not field serviceable and should be returned if repair is

needed. Field repair should not be attempted and may void warranty.

WARRANTY/RETURN

Refer to “Terms and Conditions of Sales” in our catalog and on our website. Contact

customer service to receive a Return Goods Authorization number before shipping

the product back for repair. Be sure to include a brief description of the problem

plus any additional application notes.

Firmware MAP

DWYER INSTRUMENTS, INC.

Phone: 219/879-8000 www.dwyer-inst.com

P. . B X 373 • MICHIGAN CITY, INDIANA 46360, U.S.A. Fax: 219/872-9057 e-mail: [email protected]

Warning Code

Code Description and Cause

PV end-PV zero range is below

500. The angle of feedback

lever is too small.

Time elapsed for either full-open

or full-close is less than 1

second.

The size of the actuator is

too small.

Pv zero is below 100.

The angle of feedback lever

is too large.

Pv end is over 4000.

The angle of feedback lever

is too large.

Action

Re-install/mount the positioner.

Make sure the feedback lever

does not touch the stopper at

both 0 and 100%.

After re-installation, perform

AUTO1 calibration.

Use variable orifice.

Replace actuator with larger

capacity.

Re-install/mount the positioner.

After re-installation, perform

AUTO1 calibration.

Re-install/mount the positioner.

After re-installation, perform

AUTO1 calibration.

Used timeUser Set

ENT

: Enter button

Manual Mode

Auto 2

Auto cal

RUN Mode

ENT

(5 sec)

ESC

Auto 1

ENT

BIAS

Auto 3

ESC

V_O

ESC

Hart ver.

Character

KP End point

ViewValveHand calParameter

ESC

ESC ESC ESC

ESC

Start point

Dead Zone

ESC ESC

ENT ENT

ESC

Sof ver.

RA / DA

ENT ENT

BIAS

Tight shut on

TR end point

K D

Tight shut oTR start point

K I

ESC ESCESC

Polling Add

ESC

ESC ESC

ESC

I value

Split control

ESC

:Up button

ESC

: Down button

: Esc button

Error code

Full close time

ESC

Full open time

ESC

View method

ESC

K I_

K P_

ESC

KD_

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