VEGA T32.10-11-30 - Handbuch (Seite 17)

GB
2383336 12/2008 GB/D
WIKA Operating Instructions Temperature Transmitter T32.10/11/30 17
7.3 Safety-engineering values
For relevant data for instrument versions T32.1*.**
6 / T32.30 **6,
T32.10.00 8 / T32.11.008 see the enclosed installation drawing
(chapter 16. CSA, chapter 17. FM).
7.3.1 Power Supply / 4 ... 20 mA-loop
The following safety-relevant maximum values must not be exceeded:
Model T32.**.**2 II 1G EEx ia
Voltage: U
i
= DC 30 V
Current: I
i
= 130 mA
Power: P
i
= 800 mW
Model T32.**.**9 II 3G EEx nL/nA Voltage: U
i
= DC 0 V
Following have an outward effect at the connection terminals j and
i
of the transmitter:
effective internal capacity Ci = 7.8 nF
effective internal inductivity Li = 100 µH
7.3.2 Sensor (terminal 1 to 4)
The connected sensor must not warm up inadmissably according
to the temperature class of the respective hazardous area for the
following values for voltage, current and power:
Model T32.**.**2 II 1G EEx ia
maximum possible values
U
o
= DC 11. V
I
o
= 12.3 mA
P
o
= 3.2 mW
Model T32.**.**9 II 3G EEx nL/nA
effective values during
operation
U
o
= DC . V
I
o
= 0.21 mA
7. Notes for mounting and operating in hazardous areas