Omron EJ1 User Manual

126
Programless Communications Section 5-1
Operation Procedure
Monitor Once the PLC sets the value of the Read Request Bits, the EJ1 writes the
value set under Programless Upload Settings to the PLC memory area.
• Single Read
The parameters set in the Programless Upload Setting are read once.
Upload Area Download Area
Value
Setting Change
Response Bits
Operation Command
Response Bits
Address ValueAddress
m+0
m+1
m+2
m+4
···
n+0
n+1
n+2
n+4
Setting Change
Request Bits
Operation Command
Request Bits
Set value
Communications
Status
m+3 n+3
Operation
Command Code
0000
xxxx
0000
PLC
Upload Area Download Area
Value
Setting Change
Response Bits
Operation Command
Response Bits
Address ValueAddress
m+0
m+1
m+2
m+4
···
n+0
n+1
n+2
n+4
Setting Change
Request Bits
Operation Command
Request Bits
Set value
Communications
Status
m+3 n+3
Operation
Command Code
PLC
EJ1
HFU TC4/2
xxxx xxxx
0001
xxxx
0001
3. The EJ1 sets the Read
Response Bits.
5. The EJ1 clears the
Read Response Bits.
4. The Read Request Bits
are set by the PLC.
1. The Read Request Bits
are set by the PLC.
2. The EJ1 refreshes
the monitor value.

Omron EJ1 Specifications

General

Brand	Omron
Model	EJ1
Category	Temperature Controller
Language	English