8-3
VLT is a registered Danfoss trademark
Pin
No.
Schematic
Acronym
Function
Description
Reading Using a Digital
Volt Meter
1 IU1
Current
sensed,
U phase, not
conditioned
Approx 400mv RMS @100% load
.937 VACpeak @ 165%
of CT current rating. AC
waveform @ output
frequency of the drive.
2 IV1
Current
sensed,
V phase, not
conditioned
Approx 400mv RMS @100% load
.937 VACpeak @ 165%
of CT current rating. AC
waveform @ output
frequency of the drive.
3 IW1
Current
sensed,
W phase, not
conditioned
Approx 400mv RMS @100% load
.937 VACpeak @ 165%
of CT current rating. AC
waveform @ output
frequency of the drive.
4
COMMON
Logic common
This common is for all signals.
5
AMBT
Ambient temp.
Used to control FAN high and low fan speeds.
1VDC approximately
equal to 25C
6 FANO
Control
Card
signal
Signal from Control Card to turn fans on and off.
0VDC – ON command
5VDC – OFF command
7 INRUSH Control
Card
signal
Signal from Control Card to start gating SCR front end
5VDC – SCRs disabled
0VDC – SCRs enabled
8 RL1
Control
Card
signal
Signal from Control Card to provide status of Relay 01
5VDC – Relay active
0VDC – inactive
9
EXT24V
Signal to Control
Card
Signal indicating a backup power supply is active.
5VDC – backup present
0VDC – no backup
10 TEMP_HS Analog
signal
inversely
proportional to
HS temp
Will read ~ 3.3 volts if the heat sink NTC is disconnected. As
HS temperature goes up the voltage goes down.
Formula, VDC = 2.82 –
0.035 * (T – 30), where
T is the temperature in
degrees Celsius.
11 VPOS
+18
VDC
regulated supply
+16.5 to 19.5
VDC
Red LED indicates voltage is present between VPOS and
VNEG terminals.
+18 VDC regulated
16.5 to 19.5
VDC
12 VNEG
-18
VDC
regulated supply
-16.5 to 19.5
VDC
Red LED indicates voltage is present between VPOS and
VNEG terminals.
-18 VDC regulated
supply
-16.5 to 19.5 VDC
Содержание VLT series
Страница 1: ...MOTION CONTROLS Service Manual VLT 4152 4652 VLT 5122 5602 VLT 6152 6652 VLT 8152 8652...
Страница 8: ......
Страница 20: ......
Страница 32: ......
Страница 41: ...2 9 VLT is a registered Danfoss trademark Figure 2 7 Inverter Section...
Страница 58: ......
Страница 96: ......
Страница 152: ......