115
Programless Communications
Section 5-6
■
Set Values
• If the set value contains a decimal point, omit the decimal point and set
the value.
Example:100.0
→
1000 or 03E8H: set value
• When changing set values, always set a new value within the setting
range. The set value will not be changed if a value outside the range is
set.
Operation Commands
When the EJ1G confirms that the Operation Command Request Bits have
been set by the PLC, the EJ1G reads the operation command code set in
PLC memory and accepts the operation command.
To execute an operation command, set the operation command code in the
PLC memory words corresponding to the Programless Download Settings
and then set the Operation Command Request Bits.
Note
Refer to 5-6-5 Operation Command Codes for Programless Com-
munications for information on operation command codes.
• Single Operation Command
Operation commands are accepted only once.
Upload Area
Download Area
Memory
0001
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
0001
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
PLC
EJ1G
HFU
TC4/TC2
zzzz
1. The Operation Command Code
is changed by the PLC.
3. The EJ1G reads the
operation command code.
4. The EJ1G sets the Operation
Command Response Bits.
2. The Operation Command
Request Bits are set by the PLC.
5. The Operation Command Request
Bits are cleared by the PLC.
6. The EJ1G clears the Operation
Command Response Bits.
Содержание EJ1G
Страница 1: ...USER S MANUAL Modular Temperature Controllers for Gradient Temperature Control EJ1G Cat No H143 E1 01 ...
Страница 3: ...iv ...
Страница 17: ...xviii ...
Страница 21: ...xxii ...
Страница 53: ...32 Unit Configuration Examples Section 2 4 ...
Страница 69: ...48 Changing SPs During Operation Section 3 3 ...
Страница 81: ...60 Other Functions Section 4 5 ...
Страница 145: ...124 Other HFU Functions Section 5 7 ...
Страница 167: ...146 Detailed Description of Services Section 6 4 ...
Страница 189: ...168 Determining the Error from the Current Situation for Heater Burnout Alarm Errors Section 7 8 ...
Страница 229: ...208 Parameters That Can Be Allocated for Programless Communications Appendix ...
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