
A – 1
Appendix 1 Cable Connection Diagram
A cable connection diagram in case of connecting peripheral devices with EHV-CPU with a RS-232C interface of a
serial port is shown below.
EHV-CPU
Serial communication port
SG
CD
ER1
ER2
SD
RD
DR
RS
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
Personal computer
(D-sub 9 pins)
DCD
RxD
TxD
DTR
GND
DSR
RTS
CTS
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
RI [9]
EH-VCB02
Figure A-1.1 EH-VCB02 connection diagram
EHV-CPU
Serial communication port
SG
CD
ER1
ER2
SD
RD
DR
RS
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
SD
RD
RS
CS
DR
PG5
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9],[10]
CD [11],[12]
[13]
[14]
[15]
Personal computer
(D-sub 9 pins)
H-series CPU
(D-sub 15 pins)
EH-RS05 WVCB02H
DCD
RxD
TxD
DTR
GND
DSR
RTS
CTS
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
RI [9]
Figure A-1.2 EH-RS05 + WVCB02H connection diagram
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