Bitzer ACP Link - Electrical Panel IO-Module (M172)

18 CT-600-2
Terminal plan ACP LINK panel
7.2 Electrical panel IO-module (M172)
The M172 module for the electrical panel is supplied loose and to be installed by the customer (see also
section 6.3). The terminal plan below shows how to connect the module to the ACP LINK panel, the plant,
the optional eco system module and optional sensors. Section 11.1 gives an overview of the I/O signals and
further descriptions. For BITZER supplied electrical panels, the M172 module is installed and partly pre-
wired.
Terminal plan electrical panel I/O module (M172)
CN19
GND RS485‐1GS
FromACPHMI.Installedandcablesuppliedbycustomer(3x0,6ModbusRTUstandard,Belden3106Aor
equivalent).Terminatewith120Ωresistor
‐ RS485‐1‐
+ RS485‐1+
   
CN15
DO11  Notused(spare) Upto250V,3A
DO10  Notused(spare) Upto250V,3A
DO9 Ecosystemrunning Upto250V,3A
C91011 Common 

  
CN14
C12  Common 
DO12‐  Notused(spare) Upto250V,1A
DO12  Notused(spare) Upto250V,1A
   
CN13
AI9 + Processtemperature PT1000default
AI10 + Auxilarytemperature(notused) PT1000default
AI11 + Remotesetpoint1 0‐10Vdefault
AI12 + Remotesetpoint3/ExternalCapacityLimiterinAutomode 0‐10Vdefault
GND Connecttoallvoltagesensorsand3‐wirecurrentsensors
5Vdc Usefor0‐5Vrat.(whereapplies)
24Vdc Useforcurrentsensors
   
CN12
COM‐DI 24VDC‐  
DI9  Notused(spare) 
DI10 24VDC+ Drive/motorerror1
Contactinmotorordrive
DI11 24VDC+ Drive/motorerror2
DI12 24VDC+ Drive/motorerror3

  
CN11
GND  Common 
AO5 + Notused(spare) 
AO6 + Notused(spare) 
   
CN10
‐ 24VDC‐ Customersupplyfromtransformerinelectricalpanel,typeTfuse2A
+ 24VDC+ Customersupplyfromtransformerinelectricalpanel,typeTfuse2A
   
CN9
C2 Relay CommonforD02 
DO2 Relay Commonalarm Upto250V,3A
C1 Relay CommonforD01 
D01 Relay Shutdown Upto250V,3A
   
CN8
DO4 Relay Runsignal Upto250V,3A
DO3 Relay Readyforoperation Upto250V,3A
C34 Relay Common 
   
CN7
DO7 Relay Notused(spare) Upto250V,3A
DO6 Relay Startrequestchillerpump Upto250V,3A
DO5 Relay StartpermissionHP/LP(forboosteronly) Upto250V,3A
C567 Relay Common 
   