PS6000-MM01-EN_05

Serial Interface (COM on Box Module)

Introduction

The serial interface is not isolated. The SG (signal ground) and FG (frame ground) terminals are connected inside this product. When the serial interface connector is D-Sub, connect the FG wire to the shell.

DANGER
ELECTRIC SHOCK AND FIRE
When using the SG terminal to connect an external device to this product:
  • Verify that a ground loop is not created when you set up the system.
  • Connect the SG terminal to remote equipment when the external device is not isolated.
  • Connect the SG terminal to a known reliable ground connection to reduce the risk of damaging the circuit.
Failure to follow these instructions will result in death or serious injury.
CAUTION
LOSS OF COMMUNICATION
  • Do not put excessive stress on the communication ports of all connections.
  • Securely attach communication cables to the panel wall or cabinet.
  • Use a D-Sub 9 pin connector that has jack screws.
Failure to follow these instructions can result in injury or equipment damage.
NOTE: Use within the rated current.

RS-232C

D-Sub 9 pin plug connector

Product side:

Pin No. RS-232C
Signal name Direction Description
1 CD Input Carrier detect
2 RD (RXD) Input Receive data
3 SD (TXD) Output Send data
4 ER (DTR) Output Data terminal ready
5 SG - Signal ground (not isolated)
6 DR (DSR) Input Data set ready
7 RS (RTS) Output Request to send
8 CS (CTS) Input Send possible
9 CI (RI) Input

Called status display

Shell FG - Frame ground (common with SG)

Recommended jack screw is #4-40 (UNC).

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