ABB SensyMaster FMT430 - Pin Assignment

56 SensyMaster FMT430, FMT450 THERMAL MASS FLOWMETER | OI/FMT430/450-EN REV. B
… 7 Electrical connections
Pin assignment
A
Transmitter
B
Sensor
Figure 41: Electrical connection
Connections for the power supply
AC voltage
Terminal
Function/comments
L
Phase
N
Neutral conductor
PE /
Protective earth (PE)
Potential equalization
DC voltage
Terminal
Function/comments
1+
+
2
-
−
PE /
Protective earth (PE)
Potential equalization
Connecting the signal cable
Only for remote mount design.
The sensor housing and transmitter housing must be connected
to potential equalization.
Terminal
Function / comments
U
FE
Sensor power supply
GND
Ground
A
Data line
B
Data line
Functional earth / Shielding
Connections for inputs and outputs
Terminal
Function / comments
Uco
/ 32
31 / 32
Current output 4
to 20 mA- / HART® output, active
or
Current output 4 to 20 mA- / HART® output, passive
41
/ 42
Passive digital output DO1
51
/ 52
Passive digital output DO2
V1
/ V2
V3
/ V4
Plug
-in card, slot OC1
Plug
-in card, slot OC2
For details, see Optional plug-in cards
on page 50.