Omron EJ1

132
Programless Communications Section 5-1
• Multi Operation Commands
Accepts operation commands each time the operation command code
changes.
• Stop Operation
Operation is stopped after a series of operations has been completed.
Reducing
Communications
Time
Try the following measures if communications are slow. Communications time
may be reduced depending on the conditions.
Note The above measures may result in an inability to communicate. It is recom-
mended that a record is kept of the set values when communications are suc-
cessful, to ensure recovery is possible.
Upload Area Download Area
Memory
0002
Setting Change
Response Bits
Address MemoryAddress
m+0
m+1
m+2
m+4
n+0
n+1
n+2
n+4
Setting Change
Request Bits
Set valueMonitor value
Communications
Status
m+3 n+3
ZZZZ
Read Response
Bits
Read Request Bits
0002
PLC EJ1
HFU TC4/2
ZZZZ ZZZZ
2. The Operation Command Response
Bits are set by the PLC.
3. The EJ1 repeatedly reads the
operation command code.
1. The EJ1 sets the Operation
Command Request Bits.
Upload Area Download Area
Memory
0000
Setting Change
Response Bits
Address MemoryAddress
m+0
m+1
m+2
m+4
n+0
n+1
n+2
n+4
Setting Change
Request Bits
Set valueMonitor value
Communications
Status
m+3 n+3
ZZZZ
Read Response
Bits
Read Request Bits
0000
PLC
1. The Operation Command Request
Bits are cleared by the PLC.
2. The EJ1 clears the Operation
Command Response Bits.
Check point Meaning
Port C Send Wait Time Reduce the setting to reduce the communications wait time.
Programless Upload/
Download Settings
Reduce the volume of communications data by reducing the
number of set values. This may reduce the communications
time. Review these settings based on system requirements.