4
ELECTRICAL CONNECTION INDICATOR M9
18
BW25
www.krohne.com
10/2008 • 4000432301 MA BW25 R01 en
Setting is carried out directly via contact pointers
1
and
2
:
•
Slide the scale away
•
Loosen the locking screw
3
slightly
•
Slide the scale back to the latching point
•
Set contact pointers
1
and
2
to the desired switching point
After setting has been carried out: Fix the contact pointers with the locking screw
3
.
Figure 4-2:
Limit switch connection terminals
1
2-wire limit switch NAMUR
2
3-wire limit switch
3
Terminal connection min contact
4
Terminal connection max contact
5
3-wire load
6
NAMUR isolation switching amplifier
7
3-wire power supply
Limit setting
1
Contact pointer MAX
2
Contact pointer MIN
3
Locking screw
MA_BW25_R01_en_PRT.book Page 18 Thursday, October 30, 2008 3:49 PM