Table Of Contents - IntesisBox MH-RC-MBS-1 User Manual

INDEX
1. Presentation .......................................................................................................... 4
2. Connection ............................................................................................................ 5
2.1 Connect to the AC indoor unit ............................................................................... 5
2.2 Connection to the EIA-485 bus ............................................................................. 6
3. Quick Start Guide ................................................................................................... 6
4. Modbus Interface Specification ................................................................................ 7
4.1 Modbus physical layer.......................................................................................... 7
4.2 Modbus Registers ................................................................................................ 7
4.2.1 Control and status registers ........................................................................... 7
4.2.2 Configuration Registers................................................................................ 10
4.2.3 Considerations on Temperature Registers ...................................................... 11
4.2.4 Special behavior - Center/Remote ................................................................ 13
4.3 DIP-switch Configuration Interface ...................................................................... 15
4.4 Implemented Functions ..................................................................................... 18
4.5 Device LED indicator.......................................................................................... 18
4.6 EIA-485 bus. Termination resistors and Fail Safe Biasing mechanism ...................... 19
5. Mechanical and electrical features .......................................................................... 20
6. List of supported AC Unit Types. ............................................................................ 21
7. Error Codes ......................................................................................................... 22
© Intesis Software S.L.U. - All rights reserved
This information is subject to change without notice
®
IntesisBox is a registered trademark of Intesis Software SLU
MH-RC-MBS-1
User's Manual r6.3 EN
URL http://www.intesisbox.com
Email info@intesisbox.com
Phone +34 938047134
3/23