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12
WATERMASTER
ELECTROMAGNETIC FLOWMETER | DS/ WM-EN REV. Y
—
Transmitter connections
Transmitter terminal connections overview
This section is intended to give an overview of installation of a flowmeter. For Installation requirements, technical information
and Health and safety precautions – refer to the User Guide OI/FET100–EN.
AC / DC Power
supply terminal
Test points for
output connections
Sensor
cable terminal
Output
connections terminal
Internal earth
(alternative PE)
Sensor cable
Output
connections
External earth
Output
connections
Backplane
Internal earth
(alternative PE)
Power cable
Cable gland / conduit entry (Remote transmitter shown)
Sensor cable terminal connections and recommended cable lengths
*Inner wire
**For cathodically-protected systems (or if the transmitter enclosure does not have an earth screw)
connect the drain wire to terminal SCR.
See above for cable preparation requirements
before connecting cable
**Drain wire (twisted
with screen from
D1/TFE – Orange
and D2 – Yellow)
Cut cables to 70 mm (2.75 in.)
Cut cables to 60 mm (2.35 in.)
M1
Brown
M2
Red
D1/TFE
Orange
SCR
Screen
D2
Yellow
3
Green
(Sleeve)
S2
Blue
(Screen)
E2
Blue
(Signal)
E1
Violet
(Signal)
S1
Violet
(Screen)
Sensor cable connections at transmitter terminal block – remote transmitter