Omron NT21 - SETUP MANUAL 10-2001 Setup Manual page 91

Connecting to the Host's RS-422A/485 Port
Using the 1:N NT Link Method
80
Compatible Host Units
The OMRON PCs that can be connected using the RS-422A/485 1:N NT Link
are the CS-series (CS1G/H and CS1G/H-H), CJ-series CJ1G, C200HX/HG/
HE(-Z)E, and CQM1H models only. A Serial Communications Board/Unit or a
Serial Communications Board must be installed to make the connection.
Check the model and series of the PC against the CPU Unit model or Serial
Communications Board before making the connections.
The Units that can be connected as hosts to the NT21 by the 1:N NT Link method
using a RS-422A/485 port are listed in the following table.
CPU Units with
PC Series Built-in 1:N NT
Link Function
CS Series ---
CJ Series ---
---
---
C Series
---
---
*1 A CS1W-SCB41-E Serial Communications Board is required.
*2 A CJ1W-SCU41 Serial Communications Unit is required.
*3 A C200HW-COM03-V1 or C200HW-COM06-V1 Serial Communications Board is
required.
*4 A CQM1H-SCB41 Serial Communications Board is required.
Settings at the Host
Connecting to a CJ-series Serial Communications Unit
CJ-series: CJ1W-SCU41 (Port 1 is an RS-422A/485 port.)
Setting the Front Switches
Set the unit number of the Serial Communications Unit with the rotary switch on
the front of the Unit. Set the unit number with a flat blade screwdriver. Also, set
the communications mode switch to select 2-wire (RS-485) or 4-wire (RS-422A)
CPU Units connectable through a
Serial Communications Board
CS1G-CPU42/43/44/45-E(V1)
CS1H-CPU63/64/65/66/67-E(V1)
CS1G-CPU42H/43H/44H/45H
CS1H-CPU63H/64H/65H/66H/67H
(*2)
CJ1J-CPU44/45
(*3)
C200HE-CPU32-(Z)E
(*3)
C200HE-CPU42-(Z)E
(*3)
C200HG-CPU33-(Z)E
(*3)
C200HG-CPU43-(Z)E
(*3)
C200HG-CPU53-(Z)E
(*3)
C200HG-CPU63-(Z)E
(*3)
C200HX-CPU34-(Z)E
(*3)
C200HX-CPU44-(Z)E
(*3)
C200HX-CPU54-(Z)E
(*3)
C200HX-CPU64-(Z)E
(*3)
C200HX-CPU65-ZE
(*3)
C200HX-CPU85-ZE
(*4)
CQM1H-CPU51/61
Section 5-1
Model
(*1)
CS1G
(*1)
CS1H
(*1)
CS1G-H
(*1)
CS1H-H
CJ1G
C200HE
(-Z)E
C200HG
(-Z)E
C200HX
(-Z)E
CQM1H