wtw LF 170 - Electrical Terminal Strip

Installation LF 170
78
ba54104d09 11/2010
3.2 Electrical terminal strip
The terminal strip of the LF 170 is accessible after the housing cover
has been opened:
Fig. 3-2 Terminal strip LF 170 inside the housing
Terminal connections
* Connection of monitors with 24 V DC supply voltage:
– N = GND
– L1 = +24 V DC
-+-
ih
g
f
e
d
cba
Rec2
L1N
K2 K1
RS
Option
Sensor/Probe
Rec1
Netz
Mains
c
Option
ba
+
X2
X1
13 12 11 1110 109
9
8
8
7
7
6
6
5
5
4
4
332211
No. X1 X2
1 RS 485 A (RS option) Current output REC1+
2 RS 485 B (RS option) Current output REC1-
3 RS 485 GND (RS option) Current output REC2+
(RT option)
4 - Current output REC2-
(RT option)
5 - a / Sensor
6 Relay K1 (RT option) b / Sensor
7 Relay K1 (RT option) c / Sensor
8 Relay K2 (RT option) d / Sensor
9 Relay K2 (RT option) e / Sensor
10 N (mains) * f / Sensor
11 L1 (mains) * g / Sensor
12 - h / Sensor
13 - i / Sensor