Assembled Module - ABB MAG-SM Instruction Bulletin

7.5

Assembled Module

Amplifier and Integrator Module
Voltage values based on
U = 100 mV
Ref rms.
Pot for
Phase
Setting
Flow signal ampli-
fied approx. 400x
Noise voltage
max. 200 mV
Connection to
Analog Board
Fig.22 Amplifier and Integrator Module
Current Output Module
1
Current Output Module
Fig.23 Current Output Module + HART-Assembled (Option)
Electromagnetic Flowmeter Converter
U amplified
Ref
approx. 5 V
rms
20
A
Output Phase Selective Rectifier
!
Changing the potentiometers requires a
recalibration of the converter!
20
HART-Assembled (rear view)
Pot for
flow signal
symmetry
Pot for
reference
voltage
symmetry
1
B
43