Omron EJ1G User Manual page 134

Programless Communications
Setting Changes
PLC
Address
m+0
m+1
m+2
m+3
m+4
PLC
Address
m+0
m+1
m+2
m+3
m+4
To change EJ1G settings from the PLC, first change the values in the Down-
load Area in the PLC memory and then set the Setting Change Request Bits.
The EJ1G will then read the Download Area in the PLC memory and change
the corresponding settings.
• Single Action
Any parameters in the download area settings that have changed from the
previous values are written.
4. The EJ1G sets the Setting
Change Response Bits.
Upload Area
Value Address
Read Response
n+0
Bits
0001 n+1
Operation Command
n+2
Response Bits
Communications
n+3
Status
Monitor Value n+4
1. Set value is changed by
the PLC.
Upload Area
Value Address
Read Response
n+0
Bits
n+1
0000
Operation Command
n+2
Response Bits
Communications
n+3
Status
Monitor Value n+4
6. The EJ1G clears the Setting
Change Response Bits.
Download Area
Value
Read Request Bits
0001
Operation Command
Request Bits
2. The Setting Change Request
Operation
Command Code
yyyy
3. The EJ1G reads
the set value.
Download Area
5. The Setting Change Request
Value
Read Request Bits
0000
Operation Command
Request Bits
Operation
Command Code
yyyy
Section 5-6
EJ1G
HFU TC4/TC2
Bits are set by the PLC.
yyyy
Bits are cleared by the PLC.
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