Electrical Connection Indicator M9; Limit Switch - KROHNE BW25 Handbook

ELECTRICAL CONNECTIONS
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4.2 Electrical connection indicator M9

4.2.1 Limit switch

Indicator M9 can be equipped with a maximum of two electronic limit switches. The limit switch
functions with a slot sensor which is operated inductively through the semicircular metal vane
belonging to the measuring pointer. The switching points are set through the contact pointers.
The position of the contact pointer is indicated on the scale.
Limit switch module
1 Min. contact
2 Max. contact
3 Locking screw
4 Maximum pointer
5 Connection terminal
The connecting terminals have a pluggable design and can be removed in order to connect the
lines. The built-in contact types are shown on the nameplate of the indicator.
Electrical connection of the limit switches
Contact
Terminal no.
Connection 2-wire NAMUR
Connection 3-wire
Connection Reed SPST
18
MIN
1 2
- +
+
+
www.krohne.com
MAX
3 4 5
- +
- +
- +
01/2015 - 4000432304 - MA BW25 R07 en
BW25
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