Omron NB3Q-TW00B Setup Manual page 54

When connecting to a CS-Series Serial Communication Board
For CS1W-SCB21 type (Both of port 1 and 2 are RS-232C ports)
For CS1W-SCB41 type (Port 1 is RS-232C port and Port 2 is RS-422A/485 port.)
(Serial Communication Board for CS-Series CPU Units with RS-232C port, RS-422A port.)
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.
It is the same when using RS-232C, RS-422A (port 2 of the CS1W-SCB41 type).
DM Fixed Allocation Area (CH)
Port 1
DM32000
DM32001
DM32003
*1 The communication speed should be set to the same value as that of the NB Unit.
Settings for front-side switches (For RS-422A)
Port1 RS-232C
Port2
RS-422A/485
NB-series Programmable Terminals Setup Manual(V107)
2 Installing the NB Unit and Connecting Peripheral Devices
Write Value
Port 2
DM32010 8000
DM32011 0000~000A (*1)
DM32013 0000
WWW.NNC.IR
Setting
Use Host Link
Communication speed
Unit No. 00
Terminating resistance switch
Set to ON (right position).
Two-wire/four-wire switch
RS-422A: [4] (four-wire)(right position)
RS-485: [2] (two-wire)(left position)
2
2-23