45
Constant no. 00 value Function
8 Initializes all control constants. Terminal functions
are returned to the initial factory settings.
9 Initializes all control constants. Terminal functions
are 3-wire sequence. For details, refer to
2-8-14
Multifunction Contact Input Function Selection
.
2-8-2 Operation Mode Selection
Item name Constant to be set Factory preset
Start/stop procedure No. 01 0011
Reverse rotation prevention No. 20 0000
Start/Stop Procedure Control input can be selected from the Digital Operator or the ter-
minal strip.
No. 1 = xx 11 (x means 1 or 0.)
0: Frequency command from external terminal
1: Frequency command from the operator
0: Start/stop control from external terminal
1: Start/stop control by the operator
Stop Procedure Stopping Mode can be selected according to the application
No. 1 = x0xx
0: Ramp to stop
1: Coasting to a stop
Prevents accidental selection of reverse rotation.
No. 20 = xx01
0: Reverse rotation is possible.
1: Reverse rotation is impossible.
0: STOP Key of Digital Operator effective.
1: STOP Key of Digital Operator ineffective.
Note When controlling from the Digital Operator, the STOP Key is al-
ways effective regardless of the 2
nd
digit setting of constant no. 20.
2-8-3 V/f Characteristic Setting
Item name Constant Factory preset
Output Voltage Limiter Selection No. 01 0011
Max. Output Frequency No. 02 60.0 Hz
Max. Voltage No. 03 200.0 V (See note 1.)
Max. Voltage Output Frequency No. 04 60.0 Hz
Intermediate Output Frequency No. 05 1.5 Hz
Intermediate Output Frequency Voltage No. 06 12.0 V (See note 1.)
Min. Output Frequency No. 07 1.5 Hz
Min. Output Frequency Voltage No. 08 12.0 V (See note 1.)
Reverse Rotation
Prevention
Description of Functions and Constants Section 2-8
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