
3
1
4
5
6
7
8
9
10
2
212
Connector number Application
JD1A2 I/O link
JD38B RS–232C serial port
JD38A RS–232C serial port
JD28A RS–232C serial port
JD6A RS–422 serial port
CP8B For SRAM backup battery
D Card mounting location
1) CPU card
C language board/serial communication board
/CAP–II board
CP8B
JD6A
JD28AJD1A2 JD38B
Connector
DIMM module socket
(mounted on the CPU card)
No. Name Specification Function Remarks
1) CPU card A20B–3300–0070 PMC/communication/
conversation control
486DX2
7.3.5 Sub–CPU board
D Specification
Name
Specification
Sub–CPU board A20B–8001–0630
D Connector mounting location
JNA
JA41 JA40
CA54
F–bus backplane connector
Connector number Application
CA54 Servo check
JA41 Serial spindle/position coder
JA40 Analog output