Omron NB3Q-TW00B Setup Manual page 55

2 Installing the NB Unit and Connecting Peripheral Devices
When connecting to a CS-Series Serial Communication Unit
For CS1W-SCU21 type (Both of port 1 and 2 are RS-232C ports)
For CS1W-SCU31 type (Both of port 1 and 2 are RS-422A/485 ports) (Unit version1.3)
Settings for the DM Fixed Allocation Area of the CPU Unit
Write settings directly to the [DM Fixed Allocation Area] of the CPU Unit (System Settings Area) with a
peripheral tool (programming console or CX-Programmer). After finishing the write-in, the settings can
be activated through any of the methods of reconnecting the power supply, restarting the Unit,
reactivating the communication port, executing the STUP instruction.
The followings are the Channel Nos. and settings of the DM Fixed Allocation Area.
m = DM30000 + 100 × Unit No. (CH)
DM Fixed Allocation Area (CH)
Port 1
m
m+1
m+3
*1 The communication speed should be set to the same value as that of the NB Unit.
Settings for the front-side Switches (Take CS1W-SCU21 as an example)
Set the Unit No. of the serial communication Unit by the rotary switch on the front side of the Unit. Use
a straight screwdriver set the switches as follows to display the numbers and symbols shown in the
table.
2-24
Write Value
Port 2
m+10 8000
m+11 0000~000A (*1)
m+13 0000
• Unit number settings
Set it to [0] ~ [F] in order to avoid duplicating other Units.
WWW.NNC.IR
Setting
Use Host Link
Communication speed
Unit No. 00
NB-series Programmable Terminals Setup Manual(V107)