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Delta Electronics VFD-M User Manual

Page 111

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Chapter 4 Parameters|

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)