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6
6.4.21 Q.Sonic Ultrasound Gas Meter: Serial RS485 (EEx d) via
MFE7 Board
Hazardous Area
UFM Q.Sonic
(EEx d)
Fig. 6-26: Interface for ultra sound gas meter (Q.Sonic):
Consider the recommendations made with regards to cable length
and connection resistors in refer to chapter
Recommendations for Signal and Data Cable
enCore FC
Safe Area
24V
0V
0V
24V
RS232C
service
RS485 to RS232
converter
e.g. ADAM 4520
serial RS485 (EEx d) via MFE7
Operating Instructions
Assembly Instructions
enCore device
MFE7 board
RSA
RSB
GND
SH
6.4.1 General
(p. 55).
Page 87 of 120
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