Omron G3PW, Руководство пользователя

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49
External Contact Input Functions Section 5-1
Switching between Automatic and Manual Operation with the Event Input
Set the parameter to 2 (automatic/manual selection). The event input can be
used to switch between automatic and manual operation as shown below.
Note When 1 (control method selection) is set for the Event Input Assign-
ment parameter [P11], the Control Method Selection (TYP) will not
be displayed. In addition, if the Control Method Selection parameter
is changed by using communications, an operation error response
will be returned.
Alarm Reset
If any of the following alarms occurs, it can be cleared by using the reset input.
• Overcurrent error (E20 flashing)
• Zero cross error (E30 flashing)
• Frequency error (E31 flashing)
• Heater burnout alarm (E40 flashing)
• External input range alarm (E50 flashing)
• External duty input alarm (E51 flashing)
• Total run time alarm (E60 flashing)
Automatic opera-
tion The input value is set by the linear input (4 to 20 mA or 1 to 5 V)
or by using communications.
Manual operation The input value is set by the external variable resistor or by key
operation.
1. RS-485 (+)
2. RS-485 (
−
)
3. Main setting
4. Main setting COM
5. Duty setting
6. Duty setting COM
7. Alarm output 1 (+)
8. Alarm output 1 (
−
)
9. Alarm output 2 (+)
10. Alarm output 2 (
−
)
11. Event input (+)
12. Event input (
−
)
13. Reset input (+)
14. Reset input (
−
)
For standard models, 1 and 2 are not used.
Automatic
operation
Manual
operation
Event input status Meaning
Open Automatic operation
Closed Manual operation
Reset
1. RS-485 (+)
2. RS-485 (
−
)
3. Main setting
4. Main setting COM
5. Duty setting
6. Duty setting COM
7. Alarm output 1 (+)
8. Alarm output 1 (
−
)
9. Alarm output 2 (+)
10. Alarm output 2 (
−
)
11. Event input (+)
12. Event input (
−
)
13. Reset input (+)
14. Reset input (
−
)
For standard models, 1 and 2 are not used.
Alarms can also be cleared by using
the ENT/RST Key on the front of the
Power Controller.