6270A
Service Manual
14
Module Connector
All modules have the same electrical connector and pinout. The location of the
connector and the module mechanical shape are the same for all PMMs. The
PCM has unique physical dimensions. See Figure 4.
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25
36
hxn030.eps
Pin
Number
Function
Pin
Number
Function
1 V+ (24 V dc inside chassis) 4 Canbus_L
2 Ground - Power 5 RS232 Transmit
3 Canbus_H 6 RS232 Rcv / ID pin
Figure 4. Module Electrical Connector
• Canbus_H and Canbus_L is the communication used inside the Product
chassis.
• The RS232 interface is used in the PMM Calibration kit.
• In-chassis operation, Pin 6 - ID, is a digital I/O line that identifies which
chassis slot a module is located.