Omron G3PW - MANUAL 2 User Manual page 64

External Contact Input Functions
Switching between Automatic and Manual Operation with the Event Input
Alarm Reset
Set the parameter to 2 (automatic/manual selection). The event input can be
used to switch between automatic and manual operation as shown below.
Automatic opera- The input value is set by the linear input (4 to 20 mA or 1 to 5 V)
tion 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 (−)
Automatic
operation
9. Alarm output 2 (+)
10. Alarm output 2 (−)
11. Event input (+)
Manual
12. Event input (−)
operation
13. Reset input (+)
14. Reset input (−)
For standard models, 1 and 2 are not used.
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.
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)
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 (+)
Reset
12. Event input (−)
13. Reset input (+)
14. Reset input (−)
For standard models, 1 and 2 are not used.
Event input status
Open Automatic operation
Closed Manual operation
Alarms can also be cleared by using
the ENT/RST Key on the front of the
Power Controller.
Section 5-1
Meaning
49