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92
1MRS755225
Transformer Terminal
Technical Reference Manual, General
RET 54_
Table 5.2.1-4
RTD/analog inputs
Supported RTD sensors
100
Platinum
250
Platinum
1000
Platinum
100
Nickel
120
Nickel
250
Nickel
1000
Nickel
10
Copper
120
Nickel
TCR 0.00385 (DIN 43760)
TCR 0.00385
TCR 0.00385
TCR 0.00618 (DIN 43760)
TCR 0.00618
TCR 0.00618
TCR 0.00618
TCR 0.00427
TCR 0.00672 (MIL-T-24388C)
Max lead resistance
(three-wire measurement)
200
per lead
Accuracy
0.5% of full scale
1.0% of full scale for 10
Copper RTD
Isolation
2 kV (inputs to outputs and inputs to protective earth)
Sampling frequency
5 Hz
Response time
Filter time + 30 ms (430 ms...5.03 s)
RTD / Resistance sensing
current
max 4.2 mA RMS
6.2 mA RMS for 10
Copper
Current input impedance
274
0.1%
Table 5.2.1-5
Signal outputs
Max system voltage
250 V AC/DC
Continuous carry
5 A
Make and carry for 0.5 s
10 A
Make and carry for 3 s
8 A
Breaking capacity when control circuit time-
constant L/R <40 ms, at 48/110/220 V DC
1 A/0.25 A/0.15 A
Table 5.2.1-6
Power outputs
Max system voltage
250 V AC/DC
Continuous carry
5 A
Make and carry for 0.5 s
30 A
Make and carry for 3 s
15 A
Breaking capacity when control circuit time
constant L/R <40 ms, at 48 V DC
1)
5A
110 V DC
1)
3A
220 V DC
1)
1A
Minimum contact load
100 mA, 24 V AC/DC (2.4 VA)
TCS (Trip Circuit
Supervision)
Control voltage range
20…265 V AC/DC
Current drain through
the supervision circuit
approx. 1.5 mA (0.99…1.72 mA)
Minimum voltage
(threshold) over a
contact
20 V AC/DC (15…20 V)
1) two contacts in series
Table 5.2.1-7
Analog outputs
Output range
0...20 mA
Accuracy
0.5% of full scale
Max load
600
Isolation
2 kV (output to output, output to inputs and output to protective earth)
Response time
85 ms