KROHNE OPTITEMP TT 51 EN - Manual (Page 30)

5
OPERATION
30
TT 51 SERIES
www.krohne.com 09/2010 - 4000754201 - MA TT 51 R01 en
Figure 5-2: Connection during configuration of rail-mount transmitter
a = PC configuration kit; b = PC software ConSoft
1 Input (intrinsically safe)
2 Voltage supply (intrinsically safe terminals 21, 22)
3 R
Load
(intrinsically safe)
4 Communication with USB interface and a PC software ConSoft
5 Connection to USB interface and a PC software ConSoft is not permitted if Ex version is placed in the classified haz-
ardous area (potentially explosive area)
6 Connection to the voltage supply during configuration with USB interface and PC software ConSoft is not needed
7 Classified hazardous area (potentially explosive area e.g. zone 0)
8 Classified hazardous area (potentially explosive area e.g. zone 0, 1 or 2)
9 Classified hazardous area (potentially explosive area e.g. zone 1 or 2)
10 Safe area