Emerson Rosemount 8750W - Emerson 775 Wireless THUM Adapter

Wiring Diagrams
March 2016
Reference Manual
00809-0300-4750, Rev CA
218
Wiring Diagrams
C.1 Emerson
™
775 Wireless THUM
™
Adapter
Figure C-5. Emerson 775 Wireless THUM Adapter with Field Mount Internal Analog Power
Figure C-6. Emerson 775 THUM Adapter with Field Mount External Analog Power
Wiring guide
Red to XMTR (+) pin 1
Black to XMTR (-) pin 2 and 250 Ω
Yellow to 250 Ω
Green to XMTR housing
White no connection
A. AC neutral or DC -
B. AC line or DC +
C. Transmitter power
D. 250 Ω
E. THUM Adapter
Wiring guide
White to XMTR (-) pin 1
Yellow to XMTR (+) pin 2
Red to 250 Ω to + 4-20 mA
Black to - 4-20 mA
Green to XMTR housing
A. AC neutral or DC -
B. AC line or DC +
C. Transmitter power
D. 250 Ω
E. 4-20 mA +
F. 4-20 mA -
G. THUM Adapter
E
A
B
C
D
A
B
C
D
E
to DC
power
supply
F
G