Omron SYSMAC CS1W-SCB41-V1 Operation Manual page 305

Setup Area Allocations (Modbus-RTU Slave Mode)
Serial Communications
Boards (CS Series only)
Serial Communications
Units (CS/CJ Series)
276
Setup Area Allocated in the DM Area: D32000 to D32099
Words
D32000 to D32009
D32010 to D32019
D32020 to D32029
D32030 to D32039
D32040 to D32767
Setup Area Allocated in the DM Area: D30000 to D31599
First Word in Setup Area Allocated in the DM Area:
m = D30000 + 100 × unit number
Unit No. Words
Unit No. 0 D30000 to D30099
Unit No. 1 D30100 to D30199
Unit No. 2 D30200 to D30299
Unit No. 3 D30300 to D30399
Unit No. 4 D30400 to D30499
Unit No. 5 D30500 to D30599
Unit No. 6 D30600 to D30699
Unit No. 7 D30700 to D30799
Unit No. 8 D30800 to D30899
Unit No. 9 D30900 to D30999
Unit No. A D31000 to D31099
Unit No. B D31100 to D31199
Unit No. C D31200 to D31299
Unit No. D D31300 to D31399
Unit No. E D31400 to D31499
Unit No. F D31500 to D31599
Usage
Port 1 Settings
Port 2 Settings
Port 1 Settings for Modbus-RTU slave mode
Port 2 Settings for Modbus-RTU slave mode
Reserved for the system
Section 9-2