Delta Electronics VFD-M Series, User Manual

Page: 77 / 173

Chapter 4 Parameters
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4-42 Revision May 2008, ME14, SW V3.04
Settings Function Description
14
Preliminary Counter Value
Attained
Terminal output is activated when counter reaches the
Preliminary Count Value. See diagram for Pr.38 to
Pr.42=18.
15
Warning (PID feedback
loss, communication error)
The contact will be “close” when PID feedback loss or
communication is error.
16
Below the Desired
Frequency
The contact will be “close” when output frequency is less
than desired frequency.
17 PID supervision
The contact will be “close” when PID offset exceeds the
setting of P126 and P127.
18 Over Voltage supervision
The contact will be “close” before over voltage. It will be
activated at 370Vdc in 230V series and at 740Vdc in 460
series.
19 Over Heat supervision The contact will be “close” before 90°C.
20
Over Current stall
supervision
The contact will be “close” before exceeding the setting of
P26/P27.
21
Over Voltage stall
supervision
The contact will be “close” before exceeding the setting of
P25.
22 Forward command The contact will be “close” with forward command.
23 Reverse command The contact will be “close” with reverse command.
24
Zero Speed (Includes
Drive Stop)
The contact will be “close” when the setting frequency is
less than min. frequency or drive stop.
LT
LT
BZ
RA
RB
RC
MO1
MCM
Multi-function indication
output terminals.
AC 250V 2A
DC 30V 2A
Multi-function PHC
output terminals.
PHC
480VDC 50mA
Pre-set freq. attained
Plus terminals
Power 48VDC
50mA
Minus terminal
Power source
AC/DC
Faults indication.
Power indication.