CPO-PC400-W/CPO-PC400-UW HVAC CONTROLLER
EN0B-0085 IE10 R0420 2
CONTENTS
General Safety Information ............................................... 3
Technical Data ....................................................................... 4
Electrical Data  ............................................................................... 4
Power Consumption  ................................................................... 4
Current Consumption  ................................................................ 4
Operational Environment ......................................................... 4
Default IP Address   ...................................................................... 4
Standards ........................................................................................ 4
Interfaces ............................................................................... 5
Tx LEDs and Rx LEDs  ................................................................. 6
Reset Button  .................................................................................. 6
General Information on the RS485 Standard ................... 7
Ethernet Interfaces and LEDs  ................................................ 7
Connection to Buses ................................................................... 8
Communication Baud Rates  ................................................... 8
Connection to Panel Buses ...................................................... 8
Connection to BACnet MSTP Bus  ......................................... 9
Connection to Field Buses  ....................................................... 9
Connection to Modbus RTU  .................................................... 9
Connection to CP-IO Bus .......................................................... 9
Connection to M-Bus  ................................................................. 10
Power Supply ......................................................................... 10
Transformers .................................................................................. 10
Switch Power Supply  .................................................................. 11
Fusing ............................................................................................... 11
Power Supply of Field Devices ................................................ 11
Wiring and Set-up ................................................................ 13
General Safety Considerations ............................................... 13
Wiring Terminals  ...........................................................................13
Connecting Power Supply  .........................................................13
Earth Grounding  ...........................................................................13
Cable Specifications ....................................................................14
Wireless Connectivity .......................................................... 15
Connectivity Frequency Range  ...............................................15
General Information  ....................................................................15
Automatic Resetting Fuse .................................................. 16
Connection Examples .......................................................... 17
Ring LED ................................................................................. 34
Troubleshooting with LEDs ................................................ 35
Troubleshooting with LEDs of 
RS485 Interfaces 1, 2, 3   ............................................................35
Troubleshooting with the 
Ethernet Interface LEDs   ...........................................................35
Dimensions 36
CPO-PC400-W/CPO-PC400-UW  ..........................................36
Appendix: Earth Grounding ............................................... 37
ComfortPoint Open and SELV  .................................................37
ComfortPoint Open and EN60204-1  ...................................37
Functional EMC Grounding ......................................................37
Controller Part Numbers .................................................... 38
Accessories Part Numbers ........................................................38
 Technical Literature ............................................................ 39