3 Control signal terminals
3.1 Correspondence between inputs/outputs and terminals
14
DB1 Variable Frequency Drives
09/17 MN040034EN
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Select AI1 REF/f-Fix1
Used to select between the analog speed setpoint value at analog input 1 (AI1 = terminal 6) and fixed frequency
1 (f-Fix1), which is set with P-20.
• Low = Analog setpoint value
• High = f-Fix1
Select AI1 REF/f-Fix2
Used to select between the analog speed setpoint value at analog input
1 (AI1 = terminal 6) and the fixed
frequency (f-Fix2) set with P-21.
• Low = Analog setpoint value
• High = f-Fix2
Select BUS REF/AI1 REF
Used to select between setpoint values
• Low = Setpoint value from bus
• High = AI1
Select BUS REF/DIG REF
Used to select between setpoint values
• Low = Setpoint value from bus
• High = Digital setpoint value
Select BUS REF/f-Fix
Used to select between setpoint values
• Low = Setpoint value from bus
• High = fixed frequency
The fixed frequency itself is selected with the Select f-Fix Bit0, Select f-Fix Bit1 commands.
Select BUS REF/f-Fix1
Used to select between the setpoint value from the bus and fixed frequency 1 (f-Fix1), which is set with P-20
• Low = Setpoint value from bus
• High = f-Fix1
Select BUS REF/f-Fix4
Used to select between the setpoint value from the bus and fixed frequency 4 (f-Fix4), which is set with P-23
• Low = Setpoint value from bus
• High = f-Fix4
Select DIG REF/AI1 REF
Used to select between the digital speed setpoint value, set with the keypad or with the UP and DOWN
commands, and analog setpoint value AI1
REF (terminal 6).
• Low = Digital setpoint value
• High = AI1
Select DIG REF/f-Fix1
Used to select between the digital speed setpoint value, set with the keypad or with the UP and DOWN
commands, and fixed frequency 1 (f-Fix1) set with P-20.
• Low = Digital setpoint value
• High = f-Fix1
Select DIG REF/f-Fix4
Used to select between the digital speed setpoint value (set with the keypad or with the UP and DOWN
commands) and fixed frequency
4 (f-Fix4), which is set with P-23.
• Low = Digital setpoint value
• High = f-Fix4
Select f-Fix Bit0/f-Fix Bit1
Used to select a fixed frequency with digital commands
Fixed frequencies f-Fix1 to f-Fix4 are defined with parameters P-20 up to P-23.
0 = Low
1 = High
Select f-Fix/BUS REF
Used to select between a fixed frequency and the setpoint value from the bus.
• Low = Fixed frequency
• High = Setpoint value from bus
Select f-Fix/DIG REF
Used to select between a fixed frequency and the digital setpoint value, which is set with the keypad or with the
UP and DOWN commands.
• Low = Fixed frequency
• High = Digital setpoint value
Abbreviation
Meaning
Fixed frequency
Bit 1
Bit 0
f-Fix1 (P-20)
0
0
f-Fix2 (P-21)
0
1
f-Fix3 (P-22)
1
0
f-Fix4 (P-23)
1
1
