11
4.2 Field housing MSE 300 Evaluation unit
Fig. 7: Electrical connection
Evaluation unit
Terminal no.
Connection
Power supply connection
L / +24 V
Input power supply 230 V / 50 Hz, 110 V / 60 Hz (optional 24 V DC)
N / 0 V
Input power supply 230 V / 50 Hz, 110 V / 60 Hz (optional 24 V DC)
PE
Earth
Connections
I-in 1
+
Current input +
-
Current input -
I-out 1
+
Current
-
Current output -
I-out 2
Na
Not used
Na
Not used
I-out 3
Na
Not used
Na
Not used
Relay
NO
Floating change-over contact NO (make contact)
C
Floating change-over contact COM (common conductor)
NC
Floating change-over contact NC (break contact)
D-out 1
Na
Not used
Na
Not used
RS 485
A
RS 485 interface data A (+)
B
RS 485 interface data B (-)
GND
RS 485 interface ground
D-in 1
Na
Not used
Na
Not used
D-in 2
Na
Not used
Na
Not used
Sensor
+
Power supply 24 V (+)
Cable no. 1
-
Power supply 24 V (-)
Cable no. 2
A
RS 485 data A
Cable no. 3
B
RS 485 data B
Cable no. 4
Shield
Shield
Shield
Tab. 2: Field housing connections
L N PE
I-in 1 I-out 1
+ -
I-out 2 I-out 3
Alarm Relay
NO C NC
D-out
RS 485
A B
GND
D-in 1 D-in 2
Sensor
+ - A B
Shield
+ - + -
+ - + -
+ -
+ -
