One-To-One Pc Link Connections - Omron CPM1A Operation Manual

Wiring and Connections

3-4-8 One-to-one PC Link Connections

RS-232C Adapter
(see note)
LR 00
WRITE
LR 07
LR 08
READ
LR 15
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A CPM1A can be linked to a CPM1A, CQM1, CPM1, CPM2A, CPM2C,
SRM1(-V2), C200HS or C200HX/HG/HE PC through an RS-232C Adapter. One
PC acts as the Master and the other as the Slave to link up to 256 bits in the LR
area (LR 0000 to LR 1515).
RS-232C Cable
CPM1A CPU Unit
Link bits
WRITE area
READ area
Note One-to-one PC connections can only be used when the RS-232C Adapter
(CPM1-CIF01) is connected.
Set the DIP switch of the RS-232C Adapter (CPM1-CIF01) to the NT (bottom)
side.
The following diagram shows the wiring in the RS-232C cable used to connect a
CPM1A to another PC.
RS-232C Adapter
Signal
FG
SD
RD
RS
CS
–
–
–
SG
RS-232C Adapter
(see note)
Link bits
READ area
WRITE area
Pin No.
1/Cover
2
3
4
5
6
7
8
9
Section 3-4
CPM1A CPU Unit
LR 00
READ
LR 07
LR 08
WRITE
LR 15
RS-232C Adapter
Pin No. Signal
1/Cover FG
2 SD
3 RD
4 RS
5 CS
–
6
7 –
8 –
9 9 SG