Pro-face PFXGP4601TAD Manual download pdf (Page 11)

Specifications

Specifications of Serial Interface COM2

Introduction

NOTE: For instructions on how to connect to other devices, always refer to the “GP-

Pro EX Device/PLC Connection Manual”.

The serial port is not isolated. The SG (signal ground) and FG (frame ground)

terminals are connected inside the GP unit.

Serial Interface COM2

GP-4401T/GP-4401WW: D-Sub 9 pin plug connector via an RS-422/485 cable.

Interfit bracket is #4-40 (UNC).

Recommendations:

z Cable Connector: XM2D-0901 manufactured by OMRON Corporation.

z Cable Cover: XM2S-0913 manufactured by OMRON Corporation.

z Jack Screw (#4-40 UNC): XM2Z-0073 manufactured by OMRON Corporation.

DANGER

ELECTRIC SHOCK

When using the SG terminal to connect an external device to the panel:

z Verify that a short-circuit loop is not created when you set up the system.

z Connect the #5 SG terminal to remote equipment when the host (PLC) unit is

not isolated. Connect the #5 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.

Pin Connection Pin

No.

RS-422/RS-485

Signal Name Direction Meaning

1 RDA Input Receive Data A (+)

2 RDB Input Receive Data B (-)

3 SDA Output Send Data A (+)

4 ERA Output Data Terminal Ready A (+)

5 SG - Signal Ground

6 CSB Input Send Possible B (-)

7 SDB Output Send Data B (-)

8 CSA Input Send Possible A (+)

9 ERB Output Data Terminal Ready B (-)

Shell FG – Frame Ground (Common

with SG)

CAUTION

LOSS OF COMMUNICATION

z All connections to the communication ports must not put excessive stress on the

ports.

z Securely attach communication cables to the panel wall or cabinet.

z Use only D-Sub 9 pin cables with a locking tab in good condition.

Failure to follow these instructions can result in injury or equipment damage.

(GP unit side)

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Pro-face PFXGP4601TAD Manual Page 11

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