5
OPERATION
32
TT 51 SERIES
www.krohne.com
08/2015 - 4000754203 - MA TT 51 R03 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
MA_OPTITEMP_TT_51_en_150828_4000754203_R03.book Page 32 Friday, August 28, 2015 10:54 AM
