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