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Electrical connections
Bus termination for S4 transmitter
To terminate the bus if the instrument is at the end of the bus cable, the termination components in the S4 transmitter can be used. To do so,
close both hook switches in the connection area of the transmitter.
Important
If the transmitter plug-in module is removed, bus termination is also canceled.
Connection board for field housing unit
Fig. 45
Connection via M12 plug (for PROFIBUS PA only)
As an option, the bus can also be connected via an M12 plug instead of the cable gland (see order information for device). The device can be
shipped completely prewired. For information about suitable connectors (type EPG300) and other accessories, refer to the data sheet
10/63.6.44 DE.
Fig. 46
46
3
U+
2S
2
1
1S
U-
3
16
6
7
4
3
2
1
G00250
41
42
97
Hook switches for
bus termination must be closed
Pin assignment
(Front view showing pin insert and pins)
PIN 1 = PA+
PIN 2 = nc
PIN 3 = PA-
PIN 4 = shield
FSM4000
98
M3
M1
G00249
D184B140U02
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