IAI America ERC2 User Manual
Page 48

3. Electrical Specifications
29
Signal
Signal
D-sub 9-pin, female
D-sub 9-pin
PC: Female
PLC: Male
[4] D-sub, 9-pin connector (RS232C)
A connection port with the PLC’s communication module. You can also connect a PC here. For the
communication cable, use a RS232C crossed cable as explained below.
[5] Mini DIN, 8-pin connector (RS485)
A connection port with the teaching pendant. 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 this switch to ON when a device is connected to
the mini-DIN connector, or OFF when no device is connected.
[7] Monitor LEDs
LED1 --- Lit when the controller is transmitting
LED2 --- Lit when the RS232 is transmitting
(Reference) Connection drawing of a RS232C crossed cable (generic brand)
SIO converter end