Barksdale Dynalco SST7200 Manuale utente

3211 Fruitland Ave

Los Angeles, CA 90058

SST7200

SST7400

Speed Switch / Transmitter

Installation and Operation Manual

Rev. G

P/N 145F-13129

PCO –00010927

Published: Oct 20, 2015

DVNALCO

DIGI

TAL

DYNALCO

SPEED

SWITCH

RELAY

RELA

Y2 'J

RELAY

RPM.

POWER

Barksdale~

CONTROL

PRODUCTS

Sart(sdale, lnc./Sarksdate GmbH

A Subsidiary

Crane

Co.

IMPORTANT - PLEASE READ BEFORE PROCEEDING!

The Dynalco SST7200 / SST7400 speed switches are designed for reliable and rugged

operation. These products have been designed and tested to meet the demands

required in many industrial and hazardous locations meeting critical CSA standards.

Performance of this product is directly related to the quality of the installation and

knowledge of the user in operating and maintaining the instrument. To ensure

continued operation to the design specifications, personnel should read this manual

thoroughly before proceeding with installation, operation and maintenance of this

instrument. If this product is used in a manner not specified by Dynalco, the protection

provided by it against hazards may be impaired.

Dynalco® is a Barksdale® brand.

WARNING

Failure to follow proper instructions may cause any one of the following

situations to occur: Loss of life; personal injury; property damage; damage to

this instrument; and warranty invalidation.

For clarification of instructions in this manual or assistance with your

application, contact Dynalco as below:

Tech Support: [email protected] or 1-866-227-8528

Customer Care: [email protected] or 1-800-835-1060

Or by mail:

Barksdale Inc.

Barksdale® and Dynalco® Products

3211 Fruitland Ave

Los Angeles, CA 90058

Additional manuals and CSA certificates are available at

Follow all warnings, cautions, and instructions marked on and supplied with the

product.

Use only qualified personnel to install, operate, program and maintain the

product.

Educate your personnel in the proper installation, operation, and maintenance of

the product.

Install equipment as specified in the installation section of this manual. Follow

appropriate local and national codes. Only connect the product to power

sources and end devices specified in this manual.

Any repair is only to be performed by Dynalco using factory documented

components. Tampering or unauthorized substitution of parts and procedures

can affect the performance and cause unsafe operation of your process.

All equipment doors must be closed and protective covers must be in place

unless qualified personnel are performing maintenance.

Shutdown / alarms should be tested monthly for proper operation (see page 16)

Please see page 18 for CSA specific installation instructions.

This manual covers both models SST7200 and SST7400:

SST7200 Speed Switch / Transmitter w/ 4 –20 mA Output & 2 Relay Trips

SST7400 Speed Switch / Transmitter w/ 4 –20 mA Output & 4 Relay Trips

System Overview

The SST7200 / SST7400 speed switches are DIN rail mountable products designed to

convert rotational speed (RPM) to an industry standard 4 –20 mA analog output.

Both models will accept a pulsed input from either a 2 or 3-wire speed sensor.

Programming:

The host software allows programming of the SST7200 & SST7400 via a USB connection to

a PC.

Additional Features

•Repeater Output

•0 –1 mA local meter output

•0 –5 VDC / 0 –10 VDC selectable proportional output

•Isolated 4 –20 mA proportional output

How to order

Specify part number as follows:

2 setpoints

SST-7200 Standard

SST-7200-I Isolated RPM Input

4 setpoints

SST-7400 Standard

SST-7400-I Isolated RPM Input

Specifications

1) INPUT SUPPLY VOLTAGE: 10 - 36 VDC, maximum 10 W

2) FREQUENCY INPUT:

a. Input Signal Frequency Range: 0 –50 KHz

b. Waveforms: Accepts sinusoidal or square wave (positive or zero-

crossing)

c. Input Signal Sensitivity: 25 mV to 1.0 VRMS (selectable), Maximum allowed is

50 VRMS

d. Input Impedance: 10 K (minimum)

e. CSA Approved Dynalco Sensors: M201, M202, M231, M233, M203, M204, M205, M928

M928-24 & M951

3) DIGITAL INPUT (1): Dry contact closure for resetting latched relay

4) OUTPUTS:

a. Meter Output: 0 –1 mA meter output for loads up to 750 ohms

b. Proportional Output: Proportional to input frequency range, configurable as:

i. 4 –20 mA into maximum 1K load

And one of either:

ii. 0 –5 VDC into 20K load or higher or

iii. 0 –10VDC into 20K load or higher

Note that the 4 –20 mA output is isolated but the 0 –5

VDC & 0 –10 VDC outputs are referenced to input

supply ground. 0 –1mA output is referenced to

separate ground (Meter Output).

c. Supply Output: Regulated +12 VDC ±5%; 40 mA for active pickup

power.

d. Repeater Output: Square wave 12 V peak-to-peak, 10 mA max load,

Zero based, positive going.

e. Response Time: 50 milliseconds, 10% to 90% rise (standard)

Full-scale frequency ranges below 80 Hz are

proportionally slower.

10milliseconds, 10% to 96% rise (standard)

Full-scale frequency ranges below 300Hz are

proportionally slower. For 10mSec response time the

input frequency signal must be noise free.

f. Linearity: 0.1% of full-scale (0.05%, typical) all outputs

g. Stability: Less than 0.05% of full-scale change with a 10%

change in supply voltage. Temperature coefficient

±0.01% per °F (±0.018% per °C)

5) RELAY OUTPUTS:

a. Type: SPDT relay contacts (isolated dry contacts)

b. Contact Rating: 6.0 Amps @ 28 VDC or 115 VAC

1/8 HP @ 120 / 240 VAC (100,000 cycles)

1.5 / 0.8 Amps @ 120 / 240 VAC, Pilot Duty (100,000

cycles)

3.8 / 1.9 Amps @ 120 / 240 VAC general Use (100,000

cycles)

c. Hysteresis: Selectable (1% of full-scale frequency default)

d. Setpoints: Programmable for:

i. Overspeed / under speed trip

ii. Energize or de-energize when setpoint reached

iii. Latching or non-latching (auto reset)

iv. Underspeed setpoints are Class C Logic (active

once normal)

v. Latched relays are reset via digital input

e. Stability: Less than 0.05% of setpoint change with a 10%

change in supply voltage. Temperature coefficient

±0.01% per °F (±0.018% per °C)

6) ALARM INDICATION:

a. Open Pickup Alarm: LED indication if open pickup sensed

Option to trip relay

b. Trip Indication: LED indication if a relay tripped condition

7) MEMORY: All configuration parameters retained if power lost

8) CONNECTORS: Removable Phoenix type

9) MECHANICAL: DIN rail mount package

10) ENVIRONMENTAL:

a. Operating Temperature Range: -40 to +70 DegC

b. Storage temperature: -40 to +80 DegC

c. Vibration: Per modified Mils STD 810-E

11) AGENCY APPROVAL: CSA Class I, Div. 2, Groups A, B, C, D

CE for Electromagnetic Compatibility:

Meets all EMC requirements of IEC 61326-1: 2012 &

Refer conformity certificate for more details.

*Not applicable for “-I” configurations.

Meets all RoHS requirements.

12) PROGRAMMING

a. PC / Windows based: Windows XP, Vista & Windows 7 & 8 compatible

USB port for programming, uploading & downloading

Installation:

The SST7200 & SST7400 have an integral latch on the rear of the device for installation on a

standard 35 mm DIN rail.

This device is OPEN type equipment that must be used within a suitable end-use system

enclosure, the interior of which is accessible only through the use of a tool. The suitability of

the enclosure is subject to investigation by the local Authority Having Jurisdiction at the time

of installation.

Wiring to or from this device, which enters or leaves the system enclosure, must utilize wiring

methods suitable for Class I, Division 2 Hazardous Locations, as appropriate for the

installation.

Terminal Connections

All connections are made via the terminal blocks on the front of the unit.

Top Terminal Block Connections

Description

4-20

(-)

4-20 mA Proportional Output (-)

4-20

(+)

4-20 mA Proportional Output (+)

REL1

Normally-Closed Relay Contact

REL1

Relay Common

REL1

Normally-Open Relay Contact

REL2

Normally-Closed Relay Contact

REL2

Relay Common

REL2

Normally-Open Relay Contact

REL3

Normally-Closed Relay Contact

REL3

Relay Common

REL3

Normally-Open Relay Contact

REL4

Normally-Closed Relay Contact

REL4

Relay Common

REL4

Normally-Open Relay Contact

Bottom Terminal Block Connections

Description

VAC

120 VAC (Hot)

VAC

120 VAC (Neutral)

VIN

(+)

10 - 36 VDC Supply (+)

VIN

GND

Supply Ground (-)

0-5/10

(+)

0-5 or 0-10 VDC Proportional Output

(+)

0-5/10

GND

0-5 or 0-10 VDC Proportional Output (-

)

DIG

Digital Input for resetting latched relay

0-1mA

(-)

0-1 mA local meter output (-)

0-1mA

(+)

0-1 mA local meter output (+)

RPM

REP

Repeater Output (+)

(pulsed square wave)

12V

GND

Ground for 3-wire pickups

12V

(+)

Power source for 3-wire pickups

RPM

(-)

Signal Input (-) from speed sensor

RPM

(+)

Signal Input (+) from speed sensor

Terminal screws to be tightened to 4 inch-pounds torque.

Outline Dimensions

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Dynalco SST7200 & SST7400 Software

The Dynalco host software provides serial communication between a PC or laptop and the

SST7200 & SST7400. The software is compatible with Windows XP, Vista and Windows 7

operating systems. The SST7200 & SST7400 must be connected via provided Dynalco P/N

270A-105574 serial communication cable.

The Dynalco host software is available as a free download from our website:

downloads

Following installation, a shortcut will be installed on your PC desktop. This application

software allows access to various screens for configuration of input signal sensitivity,

proportional output and relay logic / setpoints. Once the configuration parameters are set,

they can be programmed into the SST7200 & SST7400 and a spec file can be saved to the

PC. This saved spec file can then be loaded into another SST7200 & SST7400 if desired.

Additionally, there is an import function allowing uploading of the spec file from an SST7200

& SST7400 to the PC

Configuration consists of the steps described in the following pages:

Questo manuale è adatto per i seguenti modelli

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