Delta Electronics VFD-M Series, User Manual

Page: 111 / 173

Chapter 4 Parameters
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4-76 Revision May 2008, ME14, SW V3.04
Note: From the diagram shown below, the original setting accel/decel time will be for reference
when the function of the S-curve is enabled. The actual accel/decel time will be determined
based on the S-curve selected (1 to 7).
Pr.112
External Terminal Scanning Time
Unit: 2msec
Settings 01 to 20 Factory Setting: 01
This function screens the signal on I/O terminals for CPU malfunctions due to external
transients. A setting of 02, makes the scanning time to be 2 x 2 = 4 msec.
Set Pr.77 to 02 before changing settings in Pr.112.
Pr.113
Restart Method after Fault (oc, ov, BB)
Factory Setting: 01
Settings 00 None speed search
01 Continue operation after fault speed search from speed reference
02 Continue operation after fault speed search from Minimum speed
This parameter is used to select the restart method after certain faults.
Pr. 114
Cooling Fan Control
Factory Setting: 02
Settings 00 Fan Off when the drive stop after 1 Min
01 AC Drive Runs and Fan On, AC Drive Stops and Fan Off
02 Always Run
03 Reserved
Pr. 115
PID Set Point Selection
Factory Setting: 00
Settings 00 Disable
01 Keypad (based on Pr.00 setting)
02 AVI (external 0-10V)
03 ACI (external 4-20mA)
04 PID set point (Pr.125)