Pro-face PFXGM4201TAD Manual descarregar pdf (Página 35)

Specifications

Specifications of Serial Interface COM1

Introduction

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

Pro EX Device/PLC Connection Manual”.

DANGER

ELECTRIC SHOCK

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

terminals are connected inside the unit. When using the SG terminal to connect

an external device to the unit:

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

 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 RS232C/RS422/RS485 circuit.

Failure to follow these instructions will result in death or serious injury.

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Pro-face PFXGM4201TAD Manual Página 35