Control And Signalling - Danfoss VLT Series Operating Instructions Manual

Specifications

8.4 Control and Signalling

Definition
Signal output
"300V_OK" (X3:3)
Signal output
"Error" (X3:5)
All optocoupler
outputs active
All optocoupler
outputs inactive
Signal input
"Enable" (X3:7)
Signal input
"300V" (X3:9)
8 8
Signal input
"10A", output
current limitation
limitation setting
All optocoupler
inputs active
All optocoupler
inputs inactive
Current on
auxiliary output
12 V (X3:13,
X3:14)
Table 8.4 Control and Signalling
20
VLT
Min. Type Max.
Optocoupler output
Optocoupler output
– – 5
– – 0.1
Optocoupler input
Optocoupler input
Optocoupler input
10 – 28
– – 5
– – 10
MG75H102 - VLT
®
ISD Power Supply Module Operating Instructions
Unit Condition
Active if control loop U
operating
Active on failure (error)
V At 10 mA
mA At max. 35 V
•
Output switched on when active
•
Output switched off (standby) when inactive
•
Setpoint U
V) when active
•
Setpoint U
when inactive
•
Setpoint I
(10.2 A) when active
•
Setpoint I
(7.8 A) when inactive
V max. 10 mA
V –
mA Sufficient for supplying the 3 signal inputs
®
is a registered Danfoss trademark
Remark
with setpoint U
o o nominal
Current limitation with PTC
(short-circuit proof up to
28 V)
–
(300 Redundant internal circuit
o nominal
ensures U <102 V also in
o
case of a single internal
(90 V)
o reduced
component fault
o limited nominal
o limited reduced
–
–
(300 V) is