Reference Manual
00809-0100-4664, Rev BA
January 2010
Rosemount 8712
E-38
YOKOGAWA SENSORS Connect coil drive and electrode cables as shown in Figure E-36.
Yokogawa Sensor to
Rosemount 8712
Transmitter
Figure E-36. Generic Wiring
Diagram for Yokogawa Sensors
and Rosemount 8712
Table E-34. Yokogawa Sensor Wiring Connections
Rosemount 8712 Yokogawa Sensors
1EX1
2 EX2
Chassis Ground
17 C
18 B
19 A
Electrodes
Coils
Chassis Ground
ROSEMOUNT 8712
TRANSMITTER
YOKOGAWA
SENSORS
Ex 2
Ex 1
A
B
C
Fuse
This is a pulsed DC magnetic flowmeter.
Do not connect AC power to the sensor
or to terminals 1 and 2 of the
transmitter, or replacement of the
electronics board will be necessary.