5 Remote I/O Slave Communications
5-14
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
•
OUT block 1 area and first word: WR (4), 50 (50CH (50)), 20-byte size = 10 words (20)
•
IN block 1 area and first word: WR (4), 100 (100CH (100)), 10-byte size = 5 words (10)
• Slave User-set Allocations Setup Table
• Slave areas
Step 1: Change the Slave User-set Allocations Switch to TRUE
Make sure that slave communications have stopped prior when you perform this operation. Change
*_Sw2SlavAlocCmd
(Slave User Allocations Switch) to TRUE.
Step 2: Change the Slave Enable Switch to TRUE
Change
*_Sw2SlavEnblCmd
(Slave Enable Switch) to TRUE. This will allocate the above areas as
slave areas and the DeviceNet Unit will start slave remote I/O communications.
Name of device variables
for CJ-series Unit
Name
Value (meaning)
*_SlavAlocTblCfg[0]
Slave OUT 1 area
4 (Work Area)
*_SlavAlocTblCfg[1]
First word in slave OUT 1 area
50 (W050)
*_SlavAlocTblCfg[2]
OUT 1 area size
20 (10 words)
*_SlavAlocTblCfg[3]
Slave IN 1 area
4 (Work Area)
*_SlavAlocTblCfg[4]
First word in slave IN 1 area
100 (W100)
*_SlavAlocTblCfg[5]
IN 1 area size
105 (5 words)
OUT area 1
IN area 1
to
Summary of Contents for CJ1W-DRM21
Page 12: ...Manual Structure 10 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Page 42: ...Revision History 40 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Page 345: ...Index 1 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 I Index ...
Page 349: ......