KROHNE H250 M8-M9-M10 EN - Manual (Page 21)

ELECTRICAL CONNECTIONS
4
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H250
www.krohne.com 04/2011 - 4000269302 MA H250-R02 en
4.2 Electrical connection indicator M8
4.2.1 Indicator M8M - limit switches
The limit switches can be set over the entire measuring range using the limit pointer 1. The set
limit values are displayed on the scale. The pointers are set to the desired limit values using a
slip coupling along the scale.
4.2.2 Indicator M8E - current output
Figure 4-1: Limit switch settings M8MG
1 Maximum pointer, switching point indicator
2 Limit switch
3 Connection board
4 Connection terminal
Figure 4-2: Electrical connection M8EG
1 Terminal connection
2 Power supply 14.8...30 VDC
3 Measuring signal 4...20 mA
4 External load, HART
® communication
MA_H250_R02_en_269302_PRT.book Page 21 Tuesday, April 12, 2011 10:17 AM