Oppermann Regelgeräte OPP-ROOM C1 Series Manuale utente

OPP-ROOM®

Room Temperature Controller C1-…

Temperature and humidity sensors | Data sheet No. 20530 | Version 10-2020 | 1| 12

Technical Data Valid from Firmware V 2.14

Power supply: 24 V AC/DC -10% /+15%, max. 1 W

Outputs:

C1-TV 3 x 0 – 10 V DC < 5mA

C1-MOD / BAC digital + 3 x 0 – 10 V DC

2 switching outputs 24 V AC (Triac),

2 A max.

Temperature sensor range:

0 – 50 °C

Accuracy ± 0.5 °C

Ambient conditions:

Operating temperature: 0 – 50 °C

Operating ambient humidity:

0 – 95% RH

(non-condensing)

Storage temperature

-30 – 70 °C

Storage ambient humidity:

0 – 95% RH

(non-condensing)

Option L LED blue and red

for displaying cooling and

heating mode

Option D LCD display

for displaying

temperature, setpoint, and

controller state with

backlighting

(software-congurable)

Protection type: IP 20

Housing: ABS plastic, self-extinguishing,

white, similar to: RAL 9010

Wall installation

Dimensions:

(L x W x D) approx. 86 x 120 x 25 mm

Weight: 180g

Cable connection: Screw terminals 0.05 – 1.5 mm²

Function

For controlling interior air temperatures.

Installation

All work (such as installation, electrical connection, startup,

operation, and maintenance) must only be performed by suf-

ciently qualied tradesmen. The respectively applicable local

rules and regulations (e.g. national building codes, electrical/

VDE regulations, etc.) must be observed. Installers and opera-

ting entities are required to suciently familiarize themselves

before startup. Read the product description before operating

the equipment. Verify that the product can be used for the

relevant application without restrictions. We are not liable for

printing errors and changes after printing. Appropriate use

implies compliance with operating and installation instructions.

We are not liable for losses due to inappropriate use. Unautho-

rized or inappropriate manipulations or modications of the

device render the operating permit, the product warranty and

warranty claims null and void.

• New„Longline“ design

- design-protected

• Large LCD display with backlight

• Setpoint potentiometer with individually

adjustable midpoint and min/max limits

• Analog outputs voltage (0 – 10 V DC)

• Convenient parameter programming with

OR-C conguration Software

• Also available as BACnet / Modbus

Room Temperature Controller C1-…

2| 12 | Temperature and humidity sensors | Data sheet No. 20530 | Version 10-2020

Electrical Connection

Order codes

Voltage transmitter C1-TV-R...

Modbus-Transmitter C1-MOD-R und

BACnet-Transmitter C1-BAC-R

Precautionary measures for wiring

Switch o the power supply before changing wiring of any kind. If the sensor is equipped with an LCD display, disconnect the LCD

display and wire the power supply and all outputs if applicable. After completing the wiring, seat the display into the socket and

switch on the sensor.

DO1 + DO2

Voltage output with Triac,

requires 24 V AC power supply.

GPower supply 24 V AC/DC

G0 Common ground connection

Y1, Y2, Y3 Analog output 0 – 10 V DC

G0 Common ground connection

A + RS485, Bus A +

B – RS485, Bus B –

G0 Ground, resp. bus shield

RI1 Resistance input 0 – 50 kΩ, e. g. NTC10

DI1 Switching input, potential-free

Controller type

-R-P1L -R-D-P1

without display,

with two LEDs (heating / cooling)

with display,

without separate LEDs

C1-TV Voltage transmitter

103 919 103 920

C1-MOD Modbus transmitter (Modbus RTU)

103 921 103 922

C1-BAC BACnet transmitter (MS/TP)

103 923 103 924

RS485 Bus A

Network

24 VAC/DC

0 V

A +

B –

RS485 Bus B

–

0 V GND (Shield)

Supply

only with 24 VAC power supply

24 VAC/DC

Output 0 – 10 V DC

0 V GND

Output 0 – 10 V DC

DO2

DO1

Digital output 2

Digital output 1

24 VAC

RI2

Resistor input 1 (0 – 50 kΩ, e.g. NTC10)

RI1

DI1

Switching input 1 (closing contact, potential-free)

not assigned

DI2

Bus DIP switch

OFF

Bit Rate 1

Bit Rate 2

Network

Address

Jumper for bus

terminating resistor

Programming

connector

LED Bus communication

CAB-02

SET POINT

POTENTIOMETER

Configuration

keys

24 VAC/DC

0 V

0 V GND (Shield)

Supply

24 VAC/DC

Output 0 – 10 V DC

0 V GND

Output 0 – 10 V DC

DO2

DO1

Digital output 2

Digital output 1

24 VAC

Resistor input 1 (0 – 50 kΩ, e.g. NTC10)

RI1

DI1

Switching input 1 (closing contact, potential-free)

Programming

connector

CAB-02

SET POINT

POTENTIOMETER

Configuration

keys

DO1 + DO2 Voltage output with Triac,

requires 24 V AC power supply.

GPower supply 24 V AC/DC

G0 Common ground connection

Y1, Y2, Y3 Analog output 0 – 10 V DC

G0 Common ground connection

RI1 Resistance input 0 – 50 kΩ, e. g. NTC10

DI1 Switching input, potential-free

Temperature and humidity sensors | Data sheet No. 20530 | Version 10-2020 | 3| 12

Room Temperature Controller C1-…

For all following pages, please also note the instructions in specication sheet 20560 (OR-C conguration software)!

Accessories (ordered separately):

Description Type

Windows conguration software

1.8 m USB cable

OR-C

CAB-02

Controllers of type C1-..-R-D-P1 have on on-board LCD used to display the current controller status.

The display is also used to show the conguration settings. The following gures illustrate the various display options.

The LCD display shows the current

operating status to the user.

• Actual temperature value

• Cooling or heating mode (appropriate icon

is shown in the display)

• If neither cooling nor heating is displayed,

none of the controller settings are active.

Note: With PI control, the outputs are also

active within the deadzone.

Models C1-..-R-P1L without LCD display show

the respective operating mode with two

LEDs. When the current sensor temperature is

below the selected lower deadzone limit, the

red heating LED lights up. When the current

sensor temperature is above the upper limit of

the deadzone, the cooling LED is switched on.

When the current sensor temperature is within

the deadzone, both LEDs are switched o.

Setpoint

controller button

Display symbols

Heating mode

Cooling mode

setpoint display

Actual temperature /

User mode display

TEMPERATURE

DISPLAY

WITH CURRENT

VALVE POSITION

HEATING

DISPLAY

SETPOINT VALUE

ADJUSTMENT

(+/-3K UM SETPOINT

MIDPOINT)

SETPOINT ADJUSTMENT IS DISPLAYED

AS SOON AS CONTROL BUTTON IS ROTATED

current

valve position

Setpoint

controller button

LED Heating

LED Cooling

LCD display (types C1-..-R-D-P1)

Controller with LED display (types C1-..-R-P1L)

Room Temperature Controller C1-…

4| 12 | Temperature and humidity sensors | Data sheet No. 20530 | Version 10-2020

Controller conguration on the unit

The controller is normally congured with the PC-based OR-C

conguration software and the USB-cable CAB-02 (accessory).

In certain cases, e.g. when a PC is not available, the controller

can be adjusted with the two buttons on the upper right side of

the circuit board.

The following describes how the controller can be congured

with the help of the displays and the buttons.

1. The selection menu for the parameters is reached by pressing

the UP or DOWN buttons. A three-letter abbreviation shows

the currently selected parameter and blinks while doing so. The

display backlighting is switched on. The rst parameter is for the

midpoint of the setpoint range (default: 21°C).

2. The other conguration parameters are displayed by pressing

the UP and DOWN buttons again as long as the three-character

abbreviation blinks.

3. After you have reached the desired parameter and waited

approx. 3 seconds, the display changes the backlighting color

to amber, and you are now in parameter adjustment mode. The

currently set value blinks. By pressing the UP or DOWN button,

you can now change the parameter value. If no button was

pressed for three seconds, the last set value is accepted and the

display changes back to the next higher level, e.g. the parame-

ter selection. The background returns to white.

4. As soon as the conguration for all parameters has been com-

pleted, the controller automatically returns back to the normal

temperature control and display mode.

CAUTION! Whenever possible, switch the device o before

installing or removing the LCD display to avoid damaging the

electronics.

Conguration parameters and programming

Parameters can be adjusted with the help of the sensor conguration software.

A USB cable is used to connect the PC with previously installed OR-C to the program-

ming head of the sensor, as shown in the gure on the right.

The correct procedure for connecting the sensor via USB is as follows:

• Disconnect the USB connector from the PC.

• Disconnect the sensor from the power supply.

• Connect the 4-way connector to the sensor.

Observe the sequence of the cable colors:

Contact No. Color

1 Red

2 White

3 Green

4 Black

• Connect the USB connector to the PC.

• Reconnect the power supply to the sensor.

Important instructions: Always disconnect the USB connector from the PC before connecting the cable to the sensor.

The right sequence of the cable colors must be observed. Non-compliance with these instructions can damage the transmitter!

Setpoint value adjustments (user mode)

The desired temperature is selected by rotating the setpoint

button. In conguration mode or with the conguration tool, it

is possible to oset the midpoint (default: 21°C) and the min./

max. limits of the setpoint range (default: +/- 3K).

When the potentiometer is rotated, the current setpoint is

shown on the display (if available); the backlighting is briey

switched on. The display reverts back to the current temperature

setpoint value after approx. ve seconds.

Programming interface

PROG

USB-Cable CAB-02

PROG

USB PROGRAMMING-

CABLE CAB-02

White

Red

Green

Black

Programming interface

Temperature and humidity sensors | Data sheet No. 20530 | Version 10-2020 | 5| 12

Room Temperature Controller C1-…

Control Loop Operation

The controller can supply up to 2 heating levels and up to 2 cooling levels (one heating level and two cooling levels by default). The

controller modulates heating and cooling demand on the outputs based on the calculated setpoint and the current temperature.

The control can be either P-control or PI-control.

By default, heating level 1 is connected to output Y1 for the fully modulated 0 – 10 V DC control; cooling level 1 is connected to the

analog output Y2 and cooling level 2 is connected to analog output Y3. The controller has two digital outputs congured to work as

PWM or 3-point controls. The PWM or 3-point-regulation can then be linked to a control level (heating level 1/2 or cooling level 1/2)

based on demand. By default, DO1 is connected as PWM control for heating level 1 and DO2 with cooling level 1.

Please note that it is possible to set the control loop outputs to direct or inverted direction, which for instance inverts the operating

direction for a valve. This can individually be programmed for each level with the conguration software. The buttons on the unit

and the output in the display can also be used to invert heating level 1 and cooling level 1 without the software.

PARAMETER CONFIGURATION DISPLAY

ADJUSTMENTS

SETPOINT CENTER

(RANGE – 12 – 86°C,

DEFAULT: 21°C,

RESOLUTION: 0.1°)

PARAM 1:

NUMBER OF

HEATING LEVELS

(0 to 2,

DEFAULT: 1)

PARAM 5:

ADJUSTMENTS

DEADZONE/

DEADZONE

(0.0 to 6.0K)

DEFAULT: 1.5K)

PARAM 4:

ADJUSTMENTS

PROPORTIONAL BAND

(default: 4°C,

RANGE 1 to 50)

PARAM 2:

SELECTION ANALOG OUTPUT 1 (AO1)

0 - Bus

PARAM 9:

2 - Heating level 1

1 - Off

3 - Heating level 2

4 - Cooling level 1

5 - Cooling level 2

6 - Air-Side

7 - Change-Over /

PARAM 10:

SELECTION ANALOG OUTPUT 2 (AO2)

0 - Bus

2 - Heating level 1

1 - Off

3 - Heating level 2

4 - Cooling level 1

5 - Cooling level 2

6 - Air-Side

7 - Change-Over /

HEATING LEVEL 1,

DIRECTION OF ACTION:

0 - direct (/),

1 - inverse (\ default)

PARAM 6:

ADJUSTMENTS

INTEGRATION TIME/

ADJUSTMENT LAG TIME

(DEFAULT: 600 s,

RANGE 0 to 1200 s)

SET IA = 0

TO RECEIVE

P CONTROL ONLY

PARAM 3:

SELECTION

TEMPERATURE UNIT

0 - Celsius (default)

1 - Fahrenheit

PARAM 20:

PARAM 17:

3-POINT ACTUATOR

LAG TIME

(0 to 30 s,

DEFAULT: 6s)

PARAM 18:

INTERNAL SENSOR

OFFSET

(-10 to +10 °C/°F,

DEFAULT: 0)

PARAM 19:

EXTERNAL SENSOR

OFFSET

(-10 to +10 °C/°F,

DEFAULT: 0)

NUMBER OF

COOLING LEVELS

(0 to 2,

DEFAULT: 1)

PARAM 7:

COOLING LEVEL 1

DIRECTION OF ACTION:

0 - direct (/ default)

1 - inverse (\ )

PARAM 8:

PARAM 13:

SELECTION / THERM. OUTPUT 2 (DO2)

0 - Bus

2 - Heating level 1

1 - Off

3 - Heating level 2

4 - Cooling level 1

5 - Cooling level 2

6 - Air-Side

7 - Change-Over /

PARAM 12:

SELECTION / THERM. OUTPUT 1 (DO1)

0 - Bus

2 - Heating level 1

1 - Off

3 - Heating level 2

4 - Cooling level 1

5 - Cooling level 2

6 - Air-Side

7 - Change-Over /

PARAM 14:

SELECTION / THERM.

MODE

0 - On – Off (0 – 1)

1 - PWM (PLSE)

PARAM 11:

SELECTION ANALOG OUTPUT 3 (AO3)

0 - Bus

2 - Heating level 1

1 - Off

3 - Heating level 2

4 - Cooling level 1

5 - Cooling level 2

6 - Air-Side

7 - Change-Over /

PARAM 25:

PARAM 15:

SELECTION, 3-POINT MODE(DO1 & DO2)

0 - Bus

2 - Heating level 1

1 - Off

3 - Heating level 2

4 - Cooling level 1

5 - Cooling level 2

6 - Air-Side

7 - Change-Over /

PARAM 16:

3-POINT ACTUATOR

STROKE TIME

(30 to 600 s,

DEFAULT: 150s)

SELECTION / DIGITAL INPUT

0 - Night mode =

everything off (default)

1 - Cooling off

PARAM 21:

2 - Without function

3 - Change-Over /

PARAM 22:

ADJUSTMENTS / SETPOINT

MINIMUM

(-20 to +20 Kelvin,

DEFAULT: -3)

PARAM 23:

ADJUSTMENTS / SETPOINT

MAXIMUM

(-20 to +20 Kelvin,

DEFAULT: +3)

PARAM 24:

LCD BRIGHTNESS

(0 to 100%),

DEFAULT: 0)

PARAM 31:

LOAD

FACTORY SETTINGS

0 - No

1 - Yes (factory settings

are loaded)

PARAM 28:

LIMIT RATIO

(RANGE 0 -5

DEFAULT : 0 = OFF)

PARAM 30:

NIGHT MODE DEADBAND

(RANGE 0-40 °C/°F

DEFAULT : 6°C

0.1 DEG RESOLUTION)

PARAM 26:

HIGH LIMIT SETPOINT

(RANGE 12 -86 °C/°F

DEFAULT : 35°C

0.1 DEG RESOLUTION)

PARAM 27:

LOW LIMIT SETPOINT

(RANGE 12 -86 °C/°F

DEFAULT : 16°C

0.1 DEG RESOLUTION)

PARAM 29:

NIGHT MODE OPERATION

(rEL = RELAXED SETPOINT,

OFF = NIGHT OFF MODE

DEFAULT: rEL)

AntiJAM VALVE

EXERCISE PERIOD

(0-14 Days,

DEFAULT: 0 = OFF)

Room Temperature Controller C1-…

6| 12 | Temperature and humidity sensors | Data sheet No. 20530 | Version 10-2020

CONTROLLER

OUTPUT

HEATING LEVEL 1 COOLING LEVEL 1

CNTSP

0 – 10VDC, PWM or 3-point

DZ = Deadzone (default: 1.5K)

CNTSP = SETPOINT CENTER (default: 21°C)

MEASURED

TEMPERATURE

100%

0% +-

COOLING LEVEL 2

0 – 10VDC, PWM or 3-point

HEATING LEVEL 2

0 – 10VDC, PWM or 3-point

NOTES:

•The number of heating and cooling levels can be set to 0, 1, or 2.

• Each analog output Y1, Y2 or Y3 can be linked with each heating or cooling level.

• The PWM or 3-point control can be linked with each heating or cooling level.

Air-side temperature control

A deadzone is located between heating cooling level 1. This prevents rapid switching over (utter) between heating and cooling.

The extent of the deadzone is adjusted in the conguration parameters.

Digital input DI1 can be used to either only suppress the cooling level or all outputs (digital and analog). The parameter is con-

gured with the OR-C software or directly on the device. In night mode (default), all outputs are switched o, and the display shows

the current temperature and the night symbol () as soon as DI1 is short-circuited with G0.

The air-side temperature control is achieved by combining heating level 1 with cooling level 1. For this purpose, the number of

heating levels must be set to 1 or more and the number of cooling levels is also set to 1 or more. The direction of action of the

outputs for heating 1 and cooling 1 must be the same (both outputs work in direct or inverse mode).

Note: The eective proportional band of the air-side temperature control is twice that of heating level 2 and

cooling level 2 due to the fact that there is only one proportional band for all levels.

CONTROL OUTPUT

HEATING

STAGE 1

COOLING

STAGE 1

CNTSP

0..10Vdc, PWM or 3-P

Dz = Dead Zone (Default 1.5°C)

CNTSP= Setpoint Middle Point (Default 21°C)

MEASURED

TEMPERATURE

100%

0% +-

COOLING

STAGE 2

0..10Vdc, PWM or 3-P

HEATING

STAGE 2

0..10Vdc, PWM or 3-P

NOTE: Note the number of heating and cooling stages can be set to NONE, 1 or 2.

NOTE: Each analogue output (Y1, Y2, Y3) can be configured tofollow any of the stages.

NOTE: PWMcontrol or 3-Point control can be configured tofollow any of the stages.

CONTROLLER

OUTPUT

HEATING LEVEL 1 COOLING LEVEL 1

CNTSP

DZ = Deadzone (default: 1.5K)

CNTSP = SETPOINT CENTER (default: 21°C)

MEASURED

TEMPERATURE

100%

0% +-

COOLING LEVEL 2HEATING LEVEL 2

NOTES:

•The number of cooling and heating levels must be at least 1.

• The heating and cooling level 1 must work in the same direction of action (e.g. inverse).

• Each analog output Y1, Y2 or Y3 can be linked with the air-side temperature control.

(combination of heating and cooling level 1).

• The PWM or 3-point control can be linked with the air-side temperature control.

(combination of heating and cooling level 1).

50%

Air-side temperature control (heating and cooling level 1 combined)

Temperature and humidity sensors | Data sheet No. 20530 | Version 10-2020 | 7| 12

Room Temperature Controller C1-…

24 V~

Digital output 1

Digital output 2

0 V GND

Output 0 – 10 V DC

24 V AC/DC

Supply

24 V~

THA1

THA2

Heang loop

Cooling coil

Digital output 1

Digital output 2

24 V AC/DC

Supply

0 V GND

Output 0 – 10 V DC

THY1

THY2

24 V~

Heang loop

Cooling coil

Digital output 1

Digital output 2

24 V AC/DC

Supply

0 V GND

Output 0 – 10 V DC

Digital outputs - operating modes and wiring examples

The digital outputs (24 V AC Triacs, 2 A max.) can be congured as outputs for a 3-point control, as PWM control (pulse width

modulation) or simple on/o switches (2-point control). The type of control is selected with a conguration parameter. When 3-point

control is selected, the controller will open, e.g. the actuator drive for a valve, via DO1, and close it via DO2. It is also possible to

invert the output operation. Since the 3-point control uses both outputs – DO1 and DO2 –, this function can only be assigned to one

control level, e.g. heating level 1 or cooling level 1 but never to several at once.

When 3-point output is selected and the connected drive is to be

fully opened or closed, the corresponding output receives a con-

trol signal for a dened lagtime (default: 6 sec.) This is repeated

every 10 minutes. The lagtime is programmable with a congura-

tion parameter and can be switched o by setting it to 0.

3-point control: M can for instance be a motor drive. Since both

digital outputs are used, only one control level (heating or coo-

ling) can be assigned!

Note: Please note the max. current load rating of 2A per

digital output!

When the PWM function is needed, the duty cycle can be programmed with a further parameter in the conguration software. The default

is 30 seconds, e.g. when the output is at 50%, it is switched on for 15 seconds and switched o for 15 seconds.

When the PWM mode is set to„On / OFF“, the corresponding digi-

tal output is switched on when the max. level is reached (default

setting: 100%) and switched back o at min. level.

PWM or 2-point control: THA1 and 2 are thermal drives 0 – 24 V

The Triacs on DO1 and DO2 close the electrical circuit to G0

(ground).

Note: Please note the max current load rating of 2A per digital

output!

Analog outputs – connection example

Analog controller outputs: THY1 and THY2 are thermal drives

0 – 10 V DC with 24 V AC power supply.

Note: Analog and digital controller outputs can be combined!

Room Temperature Controller C1-…

8| 12 | Temperature and humidity sensors | Data sheet No. 20530 | Version 10-2020

THY1

24 V

Kreislauf wahlw. von Heiz-oder

Kühlmedium durchströmt

Digital input DI1 bridge mode

When the digital input is set to„cooling disable“, the outputs connected with cooling levels are reduced to 0% as soon as DI1

(potential-free switching contact) is connected with G0. When DI1 is set to„Night Mode“, all contacts are closed as soon as the

contact on DI1 is closed.

If “Change-over”mode is selected, all outputs with the setting“Change-over” will operate as follows:

External sensor input

By default, the controller uses an internal temperature sensor. When an external NTC10 temperature sensor is connected with input

RI1 and a valid value is measured, the controller automatically begins to use the external temperature sensor for the measurement,

and shows the present temperature in the display (if available).

Change-Over Coil: In this example THY1 is a

thermal drive for a valve. THY1 has a 24 V power

supply, and its position is determined via an

analog signal 0 - 10 V. However the uid owing

through the valve is a cooling agent during the

summer and a heating agent during the winter.

The controller is informed via Modbus-/BACnet

command or via the DI1 output whether it is cur-

rently operating in summer or winter mode. For

this purpose the relevant output – in this case Y1

– must be set to“Change-over”.

Circuit carrying either a

heating or cooling agent

Connection DI1 to GND Controller output indicates… (heating or cooling

symbol or red or blue LED lit)

Digital / Analog output

Open (= winter mode) Cooling O / 0 V

Open (= winter mode) Heating On / 0…10 V

Closed (= summer mode) Cooling On / 0…10 V

Closed (= summer mode) Heating O / 0 V

Digital output 1

Digital output 2

24 V AC/DC

Supply

0 V GND

Output 0 – 10 V DC

Temperature and humidity sensors | Data sheet No. 20530 | Version 10-2020 | 9| 12

Room Temperature Controller C1-…

BACnet MS/TP

You can nd the OPP-ROOM BACnet documentation (PICS) on our homepage

www.oppermann-regelgeraete.de

Underoor high/low limit control (HSP/LSP)

Room temperature is controlled by modulating valve controlling the water supply to the underoor heating. The C1-controller

modulates the valve according to the setpoint (SP) set by the user. The speed of the response is controlled by the PI control set-

tings. In practice the speed of response is limited by the response speed of the oor.

In some cases the oor surface is covered by materials where high temperature can cause a damage (e.g. wooden ooring). Con-

trolling the oor temperature simply by the space temperature does not take into account the oor surface temperature.

To protect the surface we need to install an additional oor sensor to monitor the surface temperature. Then applying high limit

reset strategy the high oor temperature is prevented.

This feature is carried out by resetting the control setpoint (SP), causing the control valve to“back o” when high oor tempera-

ture is detected. This is calculated by equation:

RoomReset = (FloorSP – FloorTemp) * Ratio Example:

Room SP = 21°C

Floor SP = 35°C

Reset Ratio (Lrt) = 0.5

FloorTemp = 37°C

RoomReset = (35-37)*0.5 = -1.0°C

Adjusted Room Setpoint (SP) is 21°C – 1.0°C =20.0°C

The correction is made correspondingly in the reverse direction, i.e.

at low temperatures.

Room Temperature Controller C1-…

10 | 12 | Temperature and humidity sensors | Data sheet No. 20530 | Version 10-2020

Adjusting the Modbus address and the baud rate

Modbus register

The Modbus address and the baud rate can be programmed either with the OR-C conguration tool together with the

CAB-02 data cable or directly on the unit with the bit switches.

The Modbus address and the baud rate can be programmed either

with the OR-C conguration tool together with the CAB-02 data

cable or directly on the unit with the bit switches. The Modbus con-

troller supports the following Modbus register and function codes:

The default communication speed is 9600 bps, eight data bits,

parity„even“, and 1 stop bit. The default Modbus slave address is 1.

The parity can be changed to„Odd“ or„None“. The baud rate can

be selected between 9600, 19200, 38400 and 57600 bps. The baud

rate can be selected with the integrated DIP switch or the OR-C

conguration tool when switches 7 and 8 (far right) are switched

o („OFF“). The device addresses 1 to 63 can be programmed with

DIP switches 1 to 6; the adjustable range extends from 1 to 247

via the OR-C conguration tool. However, this presupposes that

switches 1to 6 are set to„OFF“.

Please note that the Modbus register space is specied by the

Master in accordance with the Modbus application protocol.The

Modbus registers for function codes 02, 03, 06 and 16 represent the

Modbus address blocks as well as actual Modbus register osets.

Some Modbus Masters require the entry function code 04 and

and function code 04. The Modbus addressing begins with 0 (base

address). Some Modbus Masters begin their addressing from 1; in

this case, you will need to raise the listed register address values by 1.

DIP SWITCHES

OFF

Bit Rate 1

Bit Rate 2

Bus

address

BAUD RATE

57600 Modbus

76800 BACnet

OFF

BAUD RATE

38400

OFF

BAUD RATE

19200

OFF

BAUD RATE

9600 / Bus

OFF

Note: When switches 7 and 8 are switched to "OFF",

the baud rate address can also be programmed via

bus or OR-C configuration software.

PROGRAMMING THE BAUD RATE

DIP SWITCHES

OFF

Bit Rate 1

Bit Rate 2

Bus

address

ADDRESS „2“

OFF

ADDRESS „9“

OFF

Note: When all switches are switched to "OFF",

the address can also be programmed via bus or the

OR-C configuration software.

PROGRAMMING THE TRANSMITTER BUS ADDRESS

The bus address is programmed with switches

1 to 6 in binary code. Each switch represents

a binary value, and the address results from the

combination of the individual switches. Examples:

FUNCTION CODE 01 - READ BITS

FUNCTION CODE 05 - WRITE ONE BIT

FUNCTION CODE 15 - WRITE SEVERAL BITS

0 Overwrite digital output 1

data bus

0 – 1 O – On

1 Overwrite digital output 2

data bus

0 – 1 O – On

2 Overwrite night mode 0 – 1 O – On

FUNCTION CODE 02 - READ INPUT STATES

10000Digital input status 1 0 – 1 O – On

10001n/a

10002Digital output status 1 0 – 1 O – On

10003Digital output status 2 0 – 1 O – On

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