Specifications Of Serial Interface Com2 - Pro-face GP-4400 Series Hardware Manual

Specifications

Specifications of Serial Interface COM2

Introduction
Serial Interface COM2
92
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.
ELECTRIC SHOCK
When using the SG terminal to connect an external device to the panel:
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 circuit.
Failure to follow these instructions will result in death or serious injury.
GP-4401T/GP-4401WW: D-Sub 9 pin plug connector via an RS-422/485 cable.
Pin Connection
5
9
6
1
(GP unit side)
Interfit bracket is #4-40 (UNC).
Recommendations:
Cable Connector: XM2D-0901 manufactured by OMRON Corporation.
Cable Cover: XM2S-0913 manufactured by OMRON Corporation.
Jack Screw (#4-40 UNC): XM2Z-0073 manufactured by OMRON Corporation.
LOSS OF COMMUNICATION
All connections to the communication ports must not put excessive stress on the
ports.
Securely attach communication cables to the panel wall or cabinet.
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.
DANGER
Pin RS-422/RS-485
No.
Signal Name
1 RDA
2 RDB
3 SDA
4 ERA
5 SG
6 CSB
7 SDB
8 CSA
9 ERB
Shell FG
CAUTION
Direction Meaning
Input Receive Data A (+)
Input Receive Data B (-)
Output Send Data A (+)
Output Data Terminal Ready A (+)
- Signal Ground
Input Send Possible B (-)
Output Send Data B (-)
Input Send Possible A (+)
Output Data Terminal Ready B (-)
– Frame Ground (Common
with SG)