beautypg.com

Electrical connections, 3 connection diagram of in-head transmitter – KROHNE OPTITEMP TT 50 C-R EN User Manual

Page 17

background image

ELECTRICAL CONNECTIONS

4

17

OPTITEMP TT 50 C/R

www.krohne.com

09/2010 - 4000636502 - MA OPTITEMP TT 50 C/R R03 en

4.3 Connection diagram of in-head transmitter

DANGER!
Never install or operate this transmitter in potentially explosive areas, it might cause an
explosion that can result in fatal injuries!

DANGER!
To enable HART

®

communication, the output circuit must have an output load of at least 250 Ω.

1 Input
2 SmartSense temperature sensor
3 Pt100 3-wire connection
4 Thermocouple
5 Output
6 Modem
7 Voltage supply 10…42 VDC

INFORMATION!
The HART

®

modem is connected parallel to the output load or parallel to the output of the

transmitter.

.book Page 17 Monday, September 13, 2010 5:07 PM