
116
Programless Communications
Section 5-6
• 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
Memory
Address
m+0
m+1
m+2
m+4
n+0
n+1
n+2
n+4
Setting Change
Request Bits
Set value
Monitor value
Communications
Status
m+3
n+3
ZZZZ
Read Response
Bits
Read Request Bits
0002
PLC
EJ1G
HFU
TC4/TC2
ZZZZ
2. The Operation Command Response
Bits are set by the PLC.
3. The EJ1G repeatedly reads
the operation command code.
1. The EJ1G sets the Operation
Command Request Bits.
Upload Area
Download Area
Memory
0000
Setting Change
Response Bits
Address
Memory
Address
m+0
m+1
m+2
m+4
n+0
n+1
n+2
n+4
Setting Change
Request Bits
Set value
Monitor 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 EJ1G 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.
Summary of Contents for EJ1G
Page 3: ...iv ...
Page 17: ...xviii ...
Page 21: ...xxii ...
Page 53: ...32 Unit Configuration Examples Section 2 4 ...
Page 69: ...48 Changing SPs During Operation Section 3 3 ...
Page 81: ...60 Other Functions Section 4 5 ...
Page 145: ...124 Other HFU Functions Section 5 7 ...
Page 167: ...146 Detailed Description of Services Section 6 4 ...
Page 229: ...208 Parameters That Can Be Allocated for Programless Communications Appendix ...
Page 237: ......