5
INPUT / OUTPUT SIGNAL CONNECTIONS
INPUT SIGNAL CONNECTIONS
IN
2
4
-2
0
mA
Fl
ow
C
.
Fl
ow
N
.O
.
0
V
+
Vd
c
4-
20
m
A
Fl
ow
C
.
Fl
ow
N
.O
.
0
V
PRESS/FLOW 1
RS485
+
Vd
c
2
-
C
+
Vd
c
0
V
IN
1
PRESS/FLOW 2
2
-
N.O
.
2
-
N.C
.
D
+
D
-
1
-
C
1
-
N.C
.
1
-
N.O
.
INPUT
OUTPUT
1
2
-
permits connecting two input signals of the
clean-contact type
-
see param. INPUT 1 CONFIG
-
see param. INPUT 2 CONFIG
- If the contact of the sensor (eg. a level probe) is
open, the operation is inhibited
- Operating current is 5 mA for each input
-
Max capacity from Vdc is 100 mA.
-
The power voltage supply (+ 24 Vdc) CANNOT
be used to supply external devices.
OUTPUT SIGNAL CONNECTIONS
IN
2
4
-2
0
mA
Fl
ow
C
.
Fl
ow
N
.O.
0
V
+
Vd
c
4-
20
m
A
Fl
ow
C
.
Fl
ow
N
.O
.
0
V
PRESS/FLOW 1
RS485
+
Vd
c
2
-
C
+
Vd
c
0
V
IN
1
PRESS/FLOW 2
2
-
N.
O.
2
-
N.
C.
D
+
D
-
1
-
C
1
-
N.
C.
1
-
N.
O.
INPUT
OUTPUT
max 5A
250 V
max 5A
250 V
1
2
-
2 relay outputs are available
-
These can be connected both with NO
logic and with NC logic
-
see. param. OUTPUT 1 CONFIG
-
see. param. OUTPUT 2 CONFIG
-
The max load which can be connected is
2 A at 250 Vac
-
the cable must have 2 leads and a
minimum cross-section of 0.5 square
mm
MASTER – SLAVE CONNECTIONS
permits connection and communication with external devices by means of standard RS485
S1
S3
(V
ac
)
CS
3
(V
ac
)
j5
j4
+2
4V
dc
S2
G
nd
S3
(V
ac
)
I/O AUXILIARY
G
nd
D
-
D
+
+
2
4V
dc
S1
G
nd
S2
5
4
3
2
1
3
2
1
C
S
3
(V
ac
)
1 2 3
D
+
D
-
G
nd
6
Rs 485 OUT
Rs 485 IN
1 2 3
6
5
4
3
2
1
3
2
1
1 2 3 4 5
PRESS / FLOW 1
5
4
3
2
1
U
S
B
+
V
dc
Fl
ow
N
.O
.
4-
20
m
a
Fl
ow
C
.
+
V
dc
+
V
dc
In
1
In
2
1
- C
1
- N
.C
.
D
+
D
-
G
nd
2
- C
2
- N
.C
2
- N
.O
.
PRESS / FLOW 2
INPUT
OUTPUT
Rs 485
G
nd
4-
20
m
a
Fl
ow
C
.
Fl
ow
N
.O
.
G
nd
1
- N
.O
.
To operate the system MASTER / SLAVE
is necessary to address the pump 2 to inverter SLAVE.
to address the pump 2 to inverter SLAVE set the parameter
3.2 PUMP 2 CONFIG = 3 (EXT. INV. 2)
The other parameters are set in SELF-LEARNING or they can be set manually
1.5 PUMP 2 CURRENT
(SLAVE pump protection) and
1.6 PUMP 2 ROTATION
2.8 MIN POWERF2
= minimum power factor of the pump 2 for protection against dry running
2.11 POWERF TIME =
enables protection against dry running for COSFI.
MASTER
BOARD
SLAVE
BOARD
