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1.7 Bus Installation
Segment coupler
Power supply
Safe area
Segment coupler, Ex
Power supply, Ex
To additional
segment couplers
Figure 1-5 Bus Installation
6
STT17F Smart Temperature Transmitter Operator Manual
STT17F-BN
2
1
F
max. 16
OUNDATION
Bus
termination
Hazardous area
STT17F-BS
2
1
F
max. 10
OUNDATION
Bus
termination
2/06
1.8 Ex Data
EEx / I.S. approval STT17F-BN:
KEMA 06ATEX0045 X .....................
Ex / I.S. data:
Signal output / supply, terminal 1 to 2:
STT17F-BN
Zone 2, EEx nA [nL] IIC
Division 2,
nonincendive
No
Unit
barrier
U i
32 VDC
T1...T4
T
< 85°C
amb.
T5
T
< 75°C
amb.
T6
T
< 60°C
amb.
Sensor input, terminal 3, 4, 5 and 6:
U
................................................... : 5.7 VDC
o
I
.................................................... : 8.4 mA
o
P
.................................................... : 12 mW
o
L
.................................................... : 200 mH
o
C
................................................... : 40 µF
o
EEx / I.S. approval STT17F-BS:
KEMA 06ATEX0046 X .....................
Applicable in zone .......................... 0, 1, 2, 20, 21 or 22
2/06
STT17F Smart Temperature Transmitter Operator Manual
English
II 3 G
EEx nA [nL] II C T4...T6
II 1 GD or
II 2 (1) GD,
T65°C...T105°C
EEx ia IIC or
EEx ib [ia] IIC T4...T6
7
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