Schwank ThermoControl Plus Series CM-485 User Manual

ThermoControl Plus Series CM-485 Communication module for RS-485 (Modbus) communication Rev. B3

- 10 - 0046h: No function 0048h: No function 004Ah: No function 004Ch: Zone1 Frost protection value ×10 with sign. This value acts as a low limit for

- 11 - *0086h: No function. *0088h: The measured and displayed room temperature ×10 with sign in Zone1. *008Ah: The measured and displayed room temp

- 12 - ThermoControl-Plus 2 *0000h: Hi: Controller type code (36h), Lo: Version number. 0002h: No function 0004h: Disable or enable buttons indiv

- 13 - 0052h: Zone4 Frost protection value ×10 with sign 0054h: No function 0056h: No function 0058h: No function 005Ah: No function *005Ch: Selected

- 14 - *0092h: No function *0094h: No function *0096h: No function *0098h: State of the heater relays in Zone1: 1 if the relay is switched On In case

- 15 - ThermoControl-Plus 4 *0000h: Hi: Controller type code (37h), Lo: Version number. 0002h: No function 0004h: Disable or enable buttons indiv

- 16 - 0052h: Zone4 Frost protection value ×10 with sign 0054h: Zone5 Frost protection value ×10 with sign 0056h: Zone6 Frost protection value ×10

- 17 - *008Eh: The measured and displayed room temperature ×10 with sign in Zone4 *0090h: The measured and displayed room temperature ×10 with sign

- 18 - In case of P0, P1 application programs: bit2: State of Relay 6 In case of P2 application programs: bit1: State of Relay 7 In case of P3 applica

- 19 - The following Clock, Time program and Holiday program reading and writing possibility is available only in controllers produced after 01.05.200

- 2 - CONTENTS How to use CM-485 ... 3 Technical Parameters ...

- 20 - bit2=1 Active bit2=0 Inactive [bit1-bit0] 01: Frost protection value 10: Night value 11 or 00: Day value Time program registers overview

- 21 - Error Caused by 82h Minute>1439 84h Group of days=0 86h Inactive program is followed by an active one87h Two different programs at the same

- 22 - Error Caused by 83h Month>12 84h Too many days 85h Year<8, Year>50 89h A manual setting is presently going on at the unit 8Ah Ending

- 23 - Appendix 1 Buttons Codes On the schematic picture of a certain controller the buttons can be assigned by the codes given below:

- 3 - How to use CM-485 The Module can easily be installed into any ThermoControl Plus controller. The controller will automatically recognise the p

- 4 - Connection Shielded twisted pairs of wire is recommended to connect the RS-485 network. The shield of the cable must be connected to the "

- 5 -  Close the case and fix in place with the plastic screws.  Switch on the controller.  Push and HOLD the DISP button until the parameter

- 6 - Communication The communication of the CM-485 Modbus Module is based on 16-bit registers. You can see or modify the parameters by reading or wri

- 7 - The answer may be: :020302810375 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 : Dev addr Status Length Data LRC CR LF : 02 03 02 81 03 75 0Dh 0Ah

- 8 - Test order “fcode=08” serves for test purposes. The Module will repeat the order but the content of the registers will not change. This procedu

- 9 - Register addresses: The function of the registers in the Module depends on the type of the controller (TC+1, TC+2, TC+4) in which the module is