West Control Solutions KS 42-1 - Manual (Page 9)

* Interface description Modbus RTU in seperate manual: see page 50.
KS4x-1 connecting example:
a
CAUTION: Using a temperature limiter is recommendable in
systems where overtemperature implies a fire hazard or
other risks.
Electrical connections
Operating KS4x-1 9 Terminal connection
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
converter
RS485-RS232
PC
DATA A
DATA B
DATA A
DATA B
DATA A
DATA B
J
max. 1000m
”Twisted Pair”
10
R T
R=100 Ohm
RGND connection optional
R = 120...200 Ohm T
R = 120...200 Ohm T
9 RS485 interface (with RS232-RS485 interface converter) *
1
2
3
4
7
5
8
6
9
10
11
12
13
14
15
Logic
+
_
L1
L2
N1
N2
fuse
1
2
3
4
7
5
8
6
9
10
11
12
13
14
15
TB 40-1
Temperature limiter
1
KS 40-1
SSR
reset
contactor
heating
1 TB 40-1 Temperature limiter
Standard version (3 relays):
TB40-100-0000D-000
other versions on request r
+ +
fuse fuse