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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.
Summary of Contents for G3PW
Page 1: ...Cat No Z280 E1 01 User s Manual G3PW Power Controllers...
Page 2: ...G3PW Power Controllers User s Manual Produced November 2008...
Page 3: ...iv...
Page 15: ...xvi...
Page 49: ...34 Wiring for Specific Applications Section 3 4...
Page 61: ...46 Setting Parameters in the Initial Setting Level Section 4 6...
Page 77: ...62 Heater Burnout Detection Section 5 9...
Page 113: ...98 Parameter Settings in the Adjustment Level Appendix B...
Page 117: ...102 Index...
Page 119: ......