Rail-Mount Temperature Transmitter ABB TTR200
SIL functional safety
With conformity according to IEC 61508 for the use in safety relevant applications up to and including SIL 3 (redundant).
• In the use of one transmitter the device fulfills the requirements according to SIL 2.
• In the use of redundant handled transmitters the requirements can be fulfilled according to SIL 3.
Instructions on this can be found in the SIL-Safety Manual.
Rail-Mount Temperature Transmitter ABB TTR200
Input - resistance thermometer /resistances
Resistance thermometer
• Pt100 in accordance with IEC 60751, JIS C1604,
MIL-T-24388
• Ni in accordance with DIN 43760
• Cu in accordance with recommendation OIML R 84
Resistance measurement
• 0 to 500 Ω
• 0 to 5000 Ω
Sensor connection type
Two-, three-, four-wire circuit
Rail-Mount Temperature Transmitter ABB TTR200
Connection lead
• Maximum sensor line resistance per line 50 Ω in accordance with NE 89
• Three-wire circuit:Symmetrical sensor line resistances
• Two-wire circuit:Compensation up to 100 Ω total lead resistance
Rail-Mount Temperature Transmitter ABB TTR200
Measurement current
< 300 μA
Sensor short circuit
< 5 Ω (for resistance thermometer)
Sensor wire break
• Measuring range: 0 to 500 Ω > 0.6 to 10 kΩ
• Measuring range: 0 to 5 Ω > 5.3 to 10 kΩ
Corrosion detection in accordance with NE 89
• Three-wire resistance measurement > 50 Ω
• Four-wire resistance measurement > 50 Ω
Sensor error signaling
• Resistance thermometer:
Sensor short circuit and sensor wire break
• Linear resistance measurement:
Sensor wire break
Rail-Mount Temperature Transmitter ABB TTR200