DGFLOW DGFIT Series, Operator And Maintenance Manual

Page: 33 / 108

33
CONNECTING THE INVERTERS IN PARALLEL
Connect every inverter in parallel through the signal cables RS485
U V W
1
2
Ø V
+24V dc
2
1 POWER
SUPPLY
FAN
OUTPUT
Ø V
+24V dc
MOTOR
N
.O
.
C
4 3 2 1
INPUT
OUTPUT
C
N
.C
.
PRESS .SENS.
3 2
1
+
V
dc
4
- 2
0m
A
0
- 4
,5
V
Ø
V
Fl
ow
N
.O
.
Fl
ow
C
4 5
FLOW SENS.
LINE
R S T
ØV D- D+ ØV D- D+ RS485
INPUT AND OUTPUT SIGNAL CONNECTIONS .
(e.g. level probe and alarm signal)
U V W
1
2
Ø V
+24V dc
2
1
POWER
SUPPLY
FAN
OUTPUT
Ø V
+24V dc
MOTOR
N
.O
.
C
4
3 2
1
INPUT OUTPUT
C
N
.C
.
PRESS .SENS.
3 2 1
+
V
dc
4
- 2
0m
A
0
- 4
,5
V
Ø
V
Fl
ow
N
.O
.
Fl
ow
C
4 5
FLOW SENS.
LINE
R S T
ØV D- D+ ØV D- D+ RS485
Input signal –
e.g. level probe
(clean contact)
Output signal –
e.g. alarm
(clean contact) – max 2A @ 250 Vac
Signal RS485
Inverters in parallel
Expansion board
(optional)