
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.
1
4
2
5
3
6
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.
Summary of Contents for 6270A
Page 6: ...6270A Service Manual iv...
Page 26: ...6270A Service Manual 20 2 1 3 hxn212 eps Figure 7 PMM and PCM Removal...
Page 30: ...6270A Service Manual 24 1 2 3 hxn205 eps Figure 9 Manifold Installation...
Page 32: ...6270A Service Manual 26 2 1 1 hxn202 eps Figure 10 Remove Feet and Tilt Stands...
Page 40: ...6270A Service Manual 34 hxn208 eps Figure 16 Remove the CPU...
Page 43: ...Pressure Controller Calibrator Module Guide Rails 37 8 9 10 hxn219 eps Figure 18 Dock Assembly...
Page 64: ...6270A Service Manual 58 1 2 3 4 5 7 6 hxn210 eps Figure 32 Remove Latch Assembly...
Page 67: ...Pressure Controller Calibrator PCM Assembly 61 2 1 hxn401 eps Figure 34 Module Components...