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Assembly Instructions
•
max. cable length depending on the operating mode:
−
message, LF or encoder:
−
HF (up to 2 kHz):
−
HF (up to 5 kHz):
6.4.18 Gas Meter (Turbine): Encoder Index, 2 LF/HF Sensors
(EEx i) via MFE7 Board
Hazardous Area
12 345 67,8
Turbine:
encoder and
2 LF/HF sensors
encoder index, 2 LF/HF sensors (EEx i) via MFE7
Characteristics MFE7:
•
three galvanically isolated input safe circuits for HF or LF pulse
sensor
•
passive isolated pulse amplifier integrated in the inputs
•
Alternatively, one encoder index or a transmitter can be connected
with frequency interface on channel 3.
Page 82 of 120
Safe Area
24V 0V
Isolated pulse
amplifier
(active output)
Fig. 6-23: Interface for turbine meter
Operating Instructions
500 m
250 m
100 m
enCore device
MFE7 board
D1+
D2+
D3+
GND
SH
6
enCore FC
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