User guide

25
2. Specifications
[4] D-sub, 9-pin connector (RS232C)
A connection port with the PLC’s communication module. A PC can also be connected to this port. For the
communication cable, use the RS232C cross cable specified below.
[5] Mini DIN, 8-pin connector (RS485)
A connection port with the teaching pendant or PC. For the communication cable, use the cable (with
RS232C/RS485 converter) supplied with the PC software (RCM-101-MW).
[6] PORT switch
A switch for enabling/disabling the mini DIN connector. Set the switch to ON when an equipment is
connected to the mini DIN connector, or OFF when no equipment is connected.
[7] Monitor LEDs
LED1 --- This LED illuminates while the controller is sending data.
LED2 --- This LED illuminates while the RS232 is sending data.
(Reference) Connection diagram of RS232C cross cable (commercial product)
dneCPdneretrevnocOIS
rotcennocnip-9,bus-Drotcennocelamefnip-9,bus-D
No.
1
2
3
4
5
6
7
8
9
Signal
RD
SD
DTR
SG
DSR
RS
CS
Signal No.
1
RD 2
SD 3
DTR 4
SG 5
DSR 6
RS 7
CS 8
9
(Female if a PC is connected,
or male if a PLC is connected)