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Delta PG-40 Specifications Page 106

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5
VFD-B Series
DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
5-71
This parameter defines the percentage of output frequency limit during the PID control.
The formula is Output Frequency Limit = Maximum Output Frequency (Pr.01-00) X
Pr.10-07 %. This parameter will limit the Maximum Output Frequency.
10 - 08
Feedback Signal Detection Time
Factory Setting: 60.0
Settings 0.0 to d 3600.0 sec Unit: 0.1
10 - 16
Deviation Range of PID Feedback Signal Error
Factory Setting: 100.00
Settings 0.00~100.00%
The base is Pr.01-00. When PID feedback control, if | Source of PID reference target –
feedback | > Pr.10-16 and exceed Pr.10-08 for period time, AC drive will operate
according to the Pr.10-09.
This parameter defines the detecting time when feedback signal detects any abnormality
in the system during the PID control. It also can be modified according to the system
feedback signal time.
When this parameter is set to 00 mean the system would not detect any abnormality
signal.
10 - 09
Treatment of the Erroneous Feedback Signals
a
Factory Setting: 00
Settings 00 Warning and keep operating
01 Warning and RAMP to stop
02 Warning and COAST to stop
Treatment of the drive towards the feedback signals, such as the analog signals or the
PG pulse signals, when they are performing abnormally.
10 - 10
PG Pulse Range
Factory Setting: 600
Settings 1 to 40000 (Max=20000 for 2-pole motor) Unit: 1
A Pulse Generator (PG) is used as a transducer that translate into feedback the motor
speed, and this parameter defines the number of pulses for each cycle of the PG control.
10 - 11
PG Input
Factory Setting: 00
Settings 00 Disable PG
01 Single phase
02 Forward / Counterclockwise rotation
03 Reverse / Clockwise rotation
The relationship between the motor rotation and PG input as below:
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