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Summary of Contents for GESTRA TRS 5-40
- Page 1 Control Unit TRS 5-40 Original Installation Instructions 818800-02 E n g l i s h...
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Page 2: Table Of Contents
CAN bus voltage supply ........................12 Wiring diagram for control unit TRS 5-40 ....................13 Wiring diagram for CAN bus system - example - ...................13 Wiring diagram for control unit TRS 5-40 with closed-loop control ............14 Attention ...............................14 Note ..............................15 Tools ..............................15 Basic Settings Factory setting ............................ - Page 3 Fault finding list for troubleshooting system faults: Control Unit .............23 Action against high frequency interference ...................24 Replacing control unit ........................... 24 Malfunctions Fault-finding list for control unit TRS 5-40 .....................24 Annex CAN bus ...............................25 Setting Node ID ..........................25, 26 Danger ..............................26...
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Page 4: Important Notes
Important Notes Usage for the intended purpose Use temperature switch TRS 5-40 only in conjunction with temperature transmitter TRV 5-40 for monitoring temperatures. Safety note The equipment must only be installed and commissioned by qualified and competent staff. Retrofitting and maintenance work must only be performed by qualified staff who – through adequate training –... -
Page 5: Description
TRV 5-40 and with one temperature sensor TRG 5-6x (MIN or MAX) The control unit TRS 5-40 is also available with two actual value outputs 4 - 20 mA. The equipment combinations can be used for controlling or monitoring temperatures in steam boilers and (pressurised) hot water installations to TRD and EN 12952 and EN 12953. -
Page 6: Technical Data
Technical Data TRS 5-40 DIN registration number TR / TW 118206 Input / output Interface for CAN bus to ISO 11898 CANopen with power supply 18 – 36 V DC, short-circuit protected Outputs 4 volt-free relay contacts Contact material AgNi 0.15 Max. -
Page 7: Name Plate / Marking
Technical Data - continued - Name plate / Marking TRS 5-40 Steuergerät control device appareille de commande Node ID:___ ___ ___ 230V~ -15/+10% 10VA IP 40 (IP20) IN / OUT: CAN-Bus Tamb = 55 °C ( 131 °F) 18-36 V DC... -
Page 8: Dimensions Trs 5-40
Technical Data - continued - Dimensions TRS 5-40 Fig. 2 Fig. 3... -
Page 9: Installation
Installation Mounting control unit TRS 5-40 The control unit TRS 5-40 is clipped onto the support rail type TH 35, EN 60715. Fig. 4 G Tools Screwdriver 5.5/100... -
Page 10: Functional Elements
Functional Elements TRS 5-40 GESTRA GESTRA 16 17 18 19 20 21 22 23 24 25 26 28 29 30 NRS 1-40 TRS 5-40 9 10 11 12 13 14 15 Fig. 4 The code switches are accessible after removing the lower terminal strip. -
Page 11: Electrical Connection
The baud rate is set via code switch D Fig. 4 (S 8 to 10). Default factory setting of control unit TRS 5-40: baud rate 250 kbit/s (cable length up to 125m). For longer cable lengths reduce baud rate accordingly. Make sure that all bus nodes feature the same settings. -
Page 12: Can Bus Voltage Supply
Electrical Connection - continued - CAN bus voltage supply To ensure the troublefree operation of the CAN bus system make sure that the voltage supply is sufficient. Please use the following table to check the voltage supply of your bus system. Sum 1 Qty. -
Page 13: Wiring Diagram For Control Unit Trs 5-40
Electrical Connection - continued - Wiring diagram for control unit TRS 5-40 Channel Channel Relay Relay Relay Relay 17 18 19 20 21 22 23 24 GESTRA TRS 5-40 °C 11 12 Return temperature Channel 2 Twisted pair cable 24 V DC... -
Page 14: Wiring Diagram For Control Unit Trs 5-40 With Closed-Loop Control
Electrical Connection - continued - Wiring diagram for control unit TRS 5-40 with closed-loop control Pump OFF with MAX control, relay 2 GESTRA TRS 5-40 Pump contactor °C Channel 2 Twisted pair cable 24 V DC Actual value output 2... -
Page 15: Note
Screwdriver for slotted screws, size 2.5, completely insulated according to VDE 0680-1. Screwdriver for cross head screws, size 2. Basic Settings Factory setting Control unit TRS 5-40 The control unit features the following factory set default values: Node ID: 95 Baud rate: 250 kBit/s (125 m cable length) Configuration: Measuring channels 1 and 2 energised, measuring channel 1: MAX limit, measuring channel 2: MIN limit. -
Page 16: Commissioning
Changing configuration The configuration of the control unit TRS 5-40 can be changed via code switch D, Fig. 4. 1. Switch off power supply, unscrew the right and the left fixing screws and detach the lower terminal strip B. - Page 17 Repeat the setting or replace the control unit. 7. Switch off mains voltage. Set the original node ID and baud rate. 8. Re-attach terminal strip B and fasten fixing screws. Apply mains voltage, the control unit TRS 5-40 works now with the new configuration.
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Page 18: Start, Operation, Alarm And Test
Start, Operation, Alarm and Test TRS 5-40 Error message Control unit and Signal bus status LED Power LED Control keys Fig. 8 Assignment of signal LED / push button / equipment: LED 1 / Push button 1 / Output relay 1: Measuring channel 1... -
Page 19: Trs 5-40
Start, Operation, Alarm and Test - continued - TRS 5-40 - continued - Note If the equipment is used as MIN temperature monitor, after the mains voltage is applied the switchpoint “MIN temperature” must be exceeded once, the measuring channel 1 / relay 1 or measuring channel 2 / relay 4 will then be energised. -
Page 20: Causes
Is the baud rate setting identical for all devices? Danger The terminal strips of the control unit TRS 5-40 are live during operation. This presents the risk of severe cases of electric shock! Always cut off power supply before mounting, removing or connecting the terminal strips! An alarm is raised if the CAN bus is interrupted during operation. -
Page 21: Systematic Malfunction Analysis
System malfunctions - continued - Systematic malfunction analysis The sources of malfunctions occuring in CAN bus systems operating with several bus-based stations must be analysed systematically since faulty components or incorrect settings can give rise to negative interactions with intact bus devices in the CAN bus system. These unwanted interactions can cause error messages in fully functional bus devices, which will make fault detection even more difficult. -
Page 22: Indication Of System Malfunctions
System malfunctions - continued - Indication of system malfunctions Error message Control unit and Signal bus status LED Power LED Control keys Fig. 10 Assignment of signal LED / push button / equipment: LED 1 / Push button 1 / Output relay 1: Measuring channel 1 LED 2 / Output relay 2: Measuring channel 2, temperature control LED 3 / Output relay 3: Measuring channel 2, temperature control LED 4 / Push button 4 / Output relay 4: Measuring channel 2... -
Page 23: Fault Finding List For Troubleshooting System Faults
System malfunctions - continued - Fault finding list for troubleshooting system faults LED 1 and / or LED 2 – 4 are flashing slowly Fault: Sensor line interrupted or interruption in temperature sensor. Short circuit in temperature senor. Remedy: Check sensor lines. Check whether the temperature sensor gives correct readings (see table “Basic values of measuring resistors”... -
Page 24: Action Against High Frequency Interference
3. Undo the fixing slide in order to snap out the controller and take it off the supporting rail. When ordering spare parts please state the serial number indicated on the name plate. Malfunctions Fault-finding list for control unit TRS 5-40 Switchpoint “MAX temperature” not yet exceeded – but MAX temperature alarm is raised Fault: The temperature sensor is defective. -
Page 25: Annex
Node ID of the control unit TRS 5-40 Please set the node ID of the control unit TRS 5-40 via the 10 pole code switch D Fig. 4 in accordance with the node ID setting of the temperature transmitter TRV 5-40. -
Page 26: Danger
Fig. 11 (Factory setting) Danger The terminal strips of the control unit TRS 5-40 are live during operation. This presents the risk of severe cases of electric shock! Always cut off power supply before mounting, removing or connecting the terminal... - Page 27 For your notes...
- Page 28 Agencies all over the world: www.gestra.de GESTRA AG Münchener Straße 77 28215 Bremen Germany Telefon +49 421 3503-0 Telefax +49 421 3503-393 E-mail info@de.gestra.com www.gestra.de 818800-02/05-2017cm (808717-02) · GESTRA AG · Bremen · Printed in Germany...
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