Vdc With Relays - bürkert 8045 Bedienungsanleitung

Switch 2
ENTER
Unlock
(*) If direct earthing isimpossible, connect a
100 nF / 50 V-condensatorbetween the
negative terminal and the earth.

3.4.2 18-36 VDC with relays

Lift the transparent lid after having unfastened the screw. Remove the cover via the screws
on the front display and pull the cables through the cable glands and wire according to pin
assignment diagram below (Fig. 3.5).
Use the supplied cable clip to fasten the wires originating from the relay-
module.
Flat cable connection
230 VAC
230 VAC
Fig. 3.5 Pin assignment for relays
The device can be easily connected to a PLC independently of the respective version.
8045
INSTALLATION
PLC /
+
Valve
-
4-20 mA
I
Switch 1
POS B
Lock
Flat cable
connection
Fig. 3.4 Sinking configuration - Position B
Fuse
4-20 mA
Switch 2
REL 1
m
3 A
3 A
REL 2
13
Fuse
18-36 VDC
300 mA
+
Power
-
supply
(*)
1 2 3 4 5 6
P-
+ -
P+
Coax connections
300 mA 18-36 VDC
+
Power
-
supply
(*)
1 2 3 4 5 6
+ -
P+ P-
(*) If direct earthing is impossible, connect a
100 nF / 50 V-condensator between the negative
terminal and the earth.
Coax connections