Omron EJ1 User Manual

127
Programless Communications Section 5-1
• Multi Read
The parameters set in the Programless Upload Setting are read continu-
ously.
• Read Settings
With the normal monitor operation, the value set under Programless Up-
load Setting is read to the upload data area in PLC memory. With the Read
Setting operation, the value set under Programless Download Setting is
read to the upload data area in PLC memory to confirm that the setting is
correct.
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
0002
xxxx
0002
PLC EJ1
HFU TC4/2
XXXX XXXX
When the Read Request Bits are set (step 1), steps 2 and 3 performed automatically.
1. The Read Request Bits
are set by the PLC.
2. The EJ1 sets the Read
Response Bits.
3. The EJ1 refreshes
the monitor value.
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
Communications
Status
m+3 n+3
Operation
Command Code
0003
Set Value A
0003
EJ1PLC
HFU TC4/2
Set Value A
Same parameter
Programless
Download
Setting
Set Value A
1. The Read Request Bits are
set by the PLC.
3. The EJ1 sets the Read
Response Bits.
2. The EJ1 refreshes
the monitor value.
Set Value A

Omron EJ1 Specifications

General

Brand	Omron
Model	EJ1
Category	Temperature Controller
Language	English