Rs-232C Settings; Rs-232C Cable; Pin Assignments - Epson RC420 Manual

9. RS-232C Settings

The Standard RC420 Controller comes with two RS-232C channels to facilitate
controlling of the data communication among the host computer, robot system and their
peripheral equipment.

9.1 RS-232C cable

RS-232C cables are not included with the standard RC420 Controller. The user must
prepare them as necessary.
Communication connector
The cable must be shielded twisted pair. Clamp the shield to the connector hood to
prevent noise.

9.1.1 Pin Assignments

Pin assignments for RS-232C connectors are as follows:
Pin No.
RC420 Rev.9
Setup & Operation 9.1 RS-232C cable (RS-232C Settings)
Connector
Abbr. Signal Name
1 CD Data carrier detect
2 RD Receive data
3 SD Send data
4 ER Terminal ready
5 SG Signal ground
6 DR Data set ready
7 RS Request to send
8 CS Clear to send
9 RI Ring indicator
Standard
D-sub 9 pin
#4-40 screw
Signal Direction
Input
Input
Output
Output
–
Input
Output
Input
Input
77