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Electrical connections – KROHNE BW 25 EN User Manual

Page 17

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ELECTRICAL CONNECTIONS

4

17

BW25

www.krohne.com

09/2010 - 4000432302 MA BW25 R05 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.

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 isolated switching amplifier
7 3-wire power supply

Limit setting

1 Contact pointer MAX
2 Contact pointer MIN
3 Locking screw

MA_BW25_R05_en_432302_PRT.book Page 17 Tuesday, September 28, 2010 8:17 AM