KROHNE OPTITEMP TT 50 C-R EN - Manual (Page 37)

TECHNICAL DATA
7
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OPTITEMP TT 50 C/R
www.krohne.com 09/2010 - 4000636502 - MA OPTITEMP TT 50 C/R R03 en
Formula for the maximum permissible output load of the TT 50 R:
permissible R
Load
[Ω] = (U-11)/0.023
7.5 Temperature data for potentially explosive areas
In-head transmitter (Ex-version)
7.6 Electrical data for outputs and inputs
In-head transmitter (Ex-version)
Output load diagram TT 50 R
1 R: total output load in Ω
2 U: supply voltage in VDC
Temperature class Ambient temperature T
a
T6 -40°C ≤ T
a
≤ +50°C / -40°F ≤ T
a
≤ +122°F
T5 -40°C ≤ T
a
≤ +65°C / -40°F ≤ T
a
≤ +149°F
T4 -40°C ≤ T
a
≤ +85°C / -40°F ≤ T
a
≤ +185°F
Ouput (supply) Input (sensor)
Max. voltage to
transmitter
U
i
= 30 VDC Max. voltage from
transmitter
U
o
= 30 VDC
Max. current to
transmitter
I
i
= 100 mA Max. current from
transmitter
I
o
= 25 mA
Max. power to
transmitter
P
i
= 900 mW Max. power from
transmitter
P
o
= 190 mW
Internal inductance L
i
= 1 mH Max. inductance (input
loop)
L
o
= 19 mH
Internal capacitance C
i
= 1 nF Max. capacitance (input
loop)
C
o
= 31 nF
.book Page 37 Monday, September 13, 2010 5:07 PM