KROHNE OPTITEMP TRA-TCA EN - Manual (Page 41)

TECHNICAL DATA
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OPTITEMP TRA/TCA
www.krohne.com 08/2010 - 4000630501 - MA OPTITEMP TRA/TCA R01 en
Electrical connections
Power supply Only necessary when using a temperature transmitter and depends
on transmitter type, typically 24 VDC.
Power consumption Only when using a temperature transmitter, typically 550 mW.
Cable entry (connection head) M20 x 1,5
Current output Current output Current output Current output
Output range Exists only when using a temperature transmitter and depends on
transmitter type, typically 4...20 mA, HART
® , Profibus-PA.
Error signal According to NAMUR NE 43, selectable: upper value ≥ 21.0 mA, lower
value ≤ 3.6 mA.
Load Relevant only when using a temperature transmitter and then
dependent on transmitter type (typically 250 Ω).
Other electrical features Other electrical features Other electrical features Other electrical features
Galvanic isolation Relevant only when using a temperature transmitter (see transmitter
handbook).
Time constant More detailed information can be found in the "Response times"
subsection, this section.
Approvals and certificates
Electromagnetic compatibility See handbook for temperature transmitter used.
ATEX Ex-i available for all thermometers with a measuring insert featuring
a diameter of 6 mm / 0.24" and the following sensor:
1 x Pt100, class A, wire-wound RTD.
Safety integration level SIL2 with temperature transmitter TT51 C/R
.book Page 41 Tuesday, August 17, 2010 12:18 PM