ABB RET615 - Page 49

Table 61. RTD/mA measurement (XRGGIO130)
Description Value
RTD inputs Supported RTD
sensors
100 Ω platinum
250 Ω platinum
100 Ω nickel
120 Ω nickel
250 Ω nickel
10 Ω copper
TCR 0.00385 (DIN 43760)
TCR 0.00385
TCR 0.00618 (DIN 43760)
TCR 0.00618
TCR 0.00618
TCR 0.00427
Supported resistance
range 0...2 kΩ
Maximum lead
resistance (three-
wire measurement) 25 Ω per lead
Isolation 2 kV (inputs to protective earth)
Response time <4 s
RTD/resistance
sensing current Maximum 0.33 mA rms
Operation accuracy Resistance Temperature
± 2.0% or ±1 Ω ±1°C
10 Ω copper: ±2°C
mA inputs Supported current
range 0…20 mA
Current input
impedance 44 Ω ± 0.1%
Operation accuracy ±0.5% or ±0.01 mA
Transformer Protection and Control 1MRS756891 F
RET615
Product version: 4.0
ABB 49