LSIS sv-ig5a User Manual

8-28
8.21 2 Phase PWM drive
Group
Display
Parameter Name
Setting
Range
Default
Unit
Function
Group 2
H48
PWM controlling mode
0: NORMAL PWM
1: 2 phase PWM
1
0 ~ 2
0
 Heat loss and leakage current from inverter can be reduced when H48 is set to 1(2 phase
PWM) according to the ratio of load.
8.22 Cooling fan control
Group
Display
Parameter Name
Setting
Range
Default
Unit
Function
group 2
H77
[Cooling fan control]
1
0 ~ 1
0
 Control the On/ Off of the cooling fan to cool the Inverter heatsink.
 When it is set to 0:
-. Cooling fan begins to operate when power ON.
-. Cooling fan is stopped when inverter main circuit voltage becomes low voltage due to power off.
 When it is set to 1:
-. Cooling fan begins to operate when power is turned ON with operating command ON.
-. Cooling fan is stopped when operating command is turned Off with inverter output shut off.
-. Cooling fan keeps operating when heat sink temperature exceeds a certain limit regardless of
operating command.
-. Used when frequent Run/Stop or quite stop is required. This may make the cooling fan life
longer.
8.23 Operating mode select when cooling fan trip occurs
Group
Display
Parameter Name
Setting
Range
Default
Unit
Function
group 2
H78
[Operating mode when
cooling fan trip occurs]
-
0 ~ 1
0
-
I/O group
I54
[Multi-function output
terminal select]
18
0 ~ 19
12
-
I55
[Multi-function relay select]
18
0 ~ 19
17
-
 Select 0 or 1 in H78 code.
 If H78 code is set to 0 (continuous operation), alarm can be output in I54 or I55.
 0: continuous operation when cooling fan trip occurs.
-. Operation is not stopped regardless of cooling fan trip.
-. When I54 or I55 is set to 18 (cooling fan fault alarm), fault alarm signal can be output using
Multi-function output terminal or Multi-function relay.
For Service Call 800-848-2504
For Service Call 800-848-2504

LSIS sv-ig5a Specifications

General

Brand	LSIS
Model	sv-ig5a
Category	Inverter
Language	English