Electrical Connections; Cable Assignments; Circuiting The Signal Outputs; Analog Output - ABB FMT200-ECO2 Operating Instruction

5 Electrical connections

Please use the supplied cable for the electrical connection of the measuring sensor.On the measuring
unit, a connector is used for the coupling.
Use a 24 V DC power supply with isolation according to EN 61010 and IEC 950 with a maximum output
of < 150 W only.

5.1 Cable assignments

Color
of cores
White
Brown
Green
Yellow
Grey
Pink
Blue
Red
Shielding
Table 5-1

5.2 Circuiting the signal outputs

5.2.1
Upon selection, the analog output of the current output supplies an active signal of 0(4)...20 mA, i.e. the
FMT200-ECO2 (Sensyflow eco2) device supplies the current independently. For this reason, do not use
a 2-wire power supply unit or an active input of a PLC, but rather a passive signal receiver.
5.2.2
Fig. 5-1 Digital output
The digital output offers a
The digital output can be used as active or passive output.
12 Thermal Mass Flowmeter FMT200-ECO2
Connector
pin number
#1
#2
#3
#4
#5
#6
#7
#8
–

Analog output

Digital output

24 V = HIGH- and
0 V = LOW signal.
Signal
Analog output +
RS 232/Txd
Pulse/frequency output
Power supply 24 V DC
Power supply 0 V
RS 232/Rxd
Analog GND
Digital GND/frequency + pulse + RS 232
Functional earthing
24 V
4k7
125R/45 mA
BSS123
DGND
Electrical connections
4n7
z-20284
42/14-41 EN