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Attention, Output, channel 2, Input, channel 1 – KROHNE OPTITEMP TT 31 R EN User Manual

Page 13: Output, channel 1, Input, channel 2, Pc connection, channel 2, Output signal, Pc connection, channel 1, Test circuit, Area with potentially explosive atmosphere

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02/2011 – 4000753501 – MA OPTITEMP TT31CR R01 en

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13

4.4 Connection diagram TT 31 R

ATTENTION!

The transmitter must be installed in a safe area. The measuring input may be connected

to sensors in an area with a potentially explosive atmosphere.

Figure 4: TT 31 R connection diagram

1

Output, channel 2

5

Input, channel 1

2

Output, channel 1

6

Input, channel 2

3

PC connection, channel 2

7

Output signal

4

PC connection, channel 1

8

Test circuit

9

Area with potentially explosive

atmosphere