110
Programless Communications
Section 5-6
Operation Procedure
Monitor
Once the PLC sets the value of the Read Request Bits, the EJ1G 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
Value
Address
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
Value
Address
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
EJ1G
HFU
TC4/TC2
xxxx
0001
xxxx
0001
3. The EJ1G sets the Read
Response Bits.
5. The EJ1G 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 EJ1G refreshes
the monitor value.
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: ......