46
3. Emerson EC20 series PLC COM1
(
RS485
)
:
EMERSON-EC20 series CPU
OP COM1 RS485
9-pin D-type female port 5-wire terminal
(
Diagram 3— fit for OP320-S, OP320-A-S, OP325-S, OP33-S
)
Note:
Emerson EC20 series PLC COM1 has RS232 and RS485. Only one of them can be used at
the same time. Do not connect unused com to avoid interference.
3-15
.
IDEC Micro Smart series PLC
1. IDEC CPU
(
Micro3 series
)
RS485:
Idec PLC Micro3 CPU
OP RS485 programming port
9-pin D-type female port 8-pin round male port
(
fit for OP320-A-S, OP320-S, OP330-S, OP325-S
)