Delta Electronics AC Motor Drive VFD007S23A - Manual (Page 98)

Chapter 5 Parameters|VFD-S Series
Revision August 2006, SE08, SW V2.61 5-43
GND
B.B.(N.O.)
setting by d13
B.B.(N.C.)
setting by d14
Mx "Close": Operation available.
Mx "Open":Operation available.
NOTE
When a Base-Block signal is received, the AC drive will stop all output and the motor will free run.
When base block control is deactivated, the AC drive will start its speed search function and
synchronize with the motor speed, and then accelerate to Master Frequency.
External
base-block
signal
Output
frequency
Output
voltage
Speed search starts with the
reference value
Pr.8-06
Min. base-block time
Speed search operation
Pr.8-04=d1
Speed synchronization
detection
d15, d16 Increase/Decrease Master Frequency:
Parameter values d15, d16 program the Multi-Function Input Terminals: M1 (Pr.4-04), M2 (Pr.4-05),
M3 (Pr.4-06), M4 (Pr.4-07) or M5 (Pr.4-08) to incrementally increase/ decrease the Master
Frequency each time an input is received.
GND
setting by d15
setting by d16
Mx "Close": Freq. will increase
by one unit.
Mx "Close":Freq. will decrease
by one unit.
UP
DOWN
d17, d18 PLC Function Control:
Parameter value d17 programs Multi-Function Input Terminal: M1 (Pr.4-04), M2 (Pr.4-05), M3 (Pr.4-
06), M4 (Pr.4-07) or M5 (Pr.4-08) to enable the AC drive internal PLC program. Parameter value
d18 programs an input terminal to pause the PLC program.