ABB REM630 - Page 19

Table 11. RTD inputs
Description Value
RTD
inputs
Supported RTD sensor 100 Ω platinum TCR 0.00385
(DIN 43760)
250 Ω platinum TCR 0.00385
100 Ω nickel TCR 0.00618
(DIN 43760)
120 Ω nickel TCR 0.00618
10 Ω copper TCR 0.00427
Supported resistance range 0…10 kΩ
Maximum leadresistance
(three-wire measurement)
100 Ω platinum 25 Ω per lead
250 Ω platinum 25 Ω per lead
100 Ω nickel 25 Ω per lead
120 Ω nickel 25 Ω per lead
10 Ω copper 2.5 Ω per lead
Resistance 25 Ω per lead
Isolation 4 kV Inputs to all
outputs and
protective earth
RTD / resistance sensing
current
Maximum 0.275 mA rms
Operation accuracy /
temperature
• ±1°C Pt and Ni sensors
for measuring
range -40°C to
200°C and -40°C
to 70°C ambient
temperature
• ±2°C CU sensor for
measuring range
-40°C to 200°C in
room temperature
• ±4°C CU sensors -40°C
to 70°C ambient
temperature
• ±5°C From -40°C to
-100 ºC of
measurement
range
Operation accuracy /
Resistance
±2.5 Ω 0-400 Ω range
±1.25% 400 Ω -10K Ω
ohms range
Response time < Filter time +350 ms
Motor Protection and Control 1MRS756977 D
REM630
Product version: 1.1 Issued: 2011-05-18
ABB 19