Out3 als logikausgang 8, Rs485 interface 8, Electrical connections – West Control Solutions D280-1 User Manual
Page 8: Logic, 4v 12v, Serial installation, I=22ma, Parallel installation
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*
Interface description Modbus RTU in seperate manual: see page 41.
Electrical connections
8
Terminal connection
Digital 280-1
12
13
14
15
17
(16)
11
12
13
14
15
10
12
13
14
15
17
(16)
11
12
13
14
15
10
12
13
14
15
17
(16)
11
12
13
14
15
RGND
RGND
RGND
R
T
interface
converter
RS485-RS232
PC
DATA A
DATA B
DATA A
DATA B
DATA A
DATA B
J
max. 1000m
twisted pair
10
R
T
RGND optional connection
R = line resistance
T
12
13
14
15
17
16
10
11
12
13
14
15
10
11
12
13
14
15
10
11
12
13
14
15
12
13
14
15
17
16
12
13
14
15
17
16
9 RS485 interface (with RS232-RS485 interface converter) *
3
4
7
5
8
6
9
10
+
_
SSR
+
_
SSR
+
_
SSR
serial installation
7
8
9
Logic
4V
4V
4V
12V
I
=22mA
max
7
8
9
7
8
9
parallel installation
+
_
SSR
+
_
SSR
I
=22mA
max
12V
7
5
8
6
9
10
4
3
7
8
9
6 OUT 3 als Logikausgang mit Solid-State-Relais (Reihen- und Parallel-Schaltung)
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