Wiring Communications; Terminal Arrangement - Omron SYSMAC NX-CIF Series User Manual

4 Installation and Wiring
4-4

Wiring Communications

This section describes how to wire a CIF Unit to perform communications with an external serial com-
munications device.
4-4-1

Terminal Arrangement

NX-CIF101 Terminal Arrangement
The terminal arrangement of the NX-CIF101 is given below.
A1 B1
A2 B2
A3 B3
A4 B4
A5 B5
A6 B6
A7 B7
A8 B8
Terminal
Abbrev.
No.
A1 SD
A2 RS
A3 ER
A4 SG
A5 NC
A6 SHLD
A7 NC
A8 FG
4 - 20
Signal name I/O
Send data Output
Request to send Output
Data terminal ready Input
Signal ground --
Not used. --
Shield --
Not used. --
Frame ground --
NX-series Communications Interface Units User's Manual (W540)
Terminal
Abbrev. Signal name
No.
B1 RD Receive data
B2 CS Clear to send
B3 DR Data set ready
B4 SG Signal ground
B5 NC Not used.
B6 SHLD Shield
B7 NC Not used.
B8 FG Frame ground
I/O
Input
Input
Output
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