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Electrical connections
Digital outputs DO1 and DO2, separate forward and reverse
pulses
I
E
51
52
42
41
I = internal, E = external
Fig. 43
Digital input for external output switch-off or external totalizer reset
I = internal, E = external
Fig. 44
PROFIBUS PA and FOUNDATION fieldbus
I
E
PA-
98
PA+
97
1
I = internal, E = external
Fig. 45
Connection via M12 plug (only for PROFIBUS PA in non-hazardous areas)
Fig. 46
44 - EN
I
E
FF-
98
R
FF+
C
97
2
G00248
4
3
1
2
G01003-01
Digital outputs DO1 and DO2, separate forward and reverse
pulses (alternative connection)
24V+
The resistance R and condenser C form the bus termination. They must
be installed when the device is connected to the end of the entire bus
cable.
R = 100 Ω; C = 1 µF
R
1 PROFIBUS PA
C
2 FOUNDATION fieldbus
Pin assignment
(Front view showing pin insert and pins)
PIN 1 = PA+
PIN 2 = nc
PIN 3 = PA-
PIN 4 = shield
FEX300, FEX500
I
E
51
52
-
+
V
24V
42
41
CI/FEX300/FEX500-EN
G00791
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