Siemens SIPROTEC 4 7XT71 Series, Manual, Page: 108 / 122

General Device Data
Auxiliary Voltage, Direct Voltage; Terminals 17 (-) and 18 (+)
Rated auxiliary DC voltage 60 V to 250 V
Admissible range of the rated auxiliary DC voltage 48 V to 300 V
Ripple voltage, peak-peak ≤ 12 % at the rated voltage, IEC 60255-11
Power consumption < 6 W
Stored-energy time for outage/short circuit of the
auxiliary direct voltage ≥ 50 ms
Auxiliary Voltage, Alternating Voltage; Terminals 17 (N) and 18 (L)
Rated auxiliary AC voltage 85 V to 250 V
Admissible range of the rated auxiliary AC voltage 60 V to 285 V
Power frequency 45 Hz to 65 Hz
Power consumption < 10 VA
Stored-energy time for outage/short circuit of the
auxiliary AC voltage ≥ 50 ms
Recommended external protection Miniature circuit breaker 6 A, Characteristic C accor-
ding to IEC 60898
Signaling Voltages/Currents at the Terminals
Terminal 1 (V
output
A) and terminal 2 (V
output
B)
Output voltage V
output
A/B ± 50 V; ± 10 %
Output current at V
output
A/B < ± 5 mA
Maximum output current at V
output
A/B < ± 20 mA, short-circuit proof
Terminals 8, 10 (V
control
1) and 7, 9 (V
control
2)
Output voltage V
control
1/2 < ± 15 V
Maximum output current at V
control
1/2 < ± 2 mA, short-circuit proof
Terminals 12, 14 (V
meas
1) and 11, 13 (V
meas
2)
Output voltage V
meas
1/2 < ± 15 V
Maximum output current at V
meas
1/2 < ± 2 mA, short-circuit proof
Settings
Output frequency of V
output
A/B (setting using DIP switch)
Setting range 0.5 Hz to 4.0 Hz; ± 5 %
Settings 0.5 Hz, 1.0 Hz, 1.5 Hz, 2.0 Hz,
2.5 Hz, 3.0 Hz, 3.5 Hz, 4.0 Hz
Factory setting 1.5 Hz
Design Structure
Housing 7XP20, 1/6 19” housing
Measurements (W x H x D)
7XT7100-0BA00
312.8 mm x 75.0 mm x 243.5 mm (12.31 in x 2.95 in
x 9.59 in)
with Z-shaped angle brackets and junction block
8.1
Technical Data
8.1 General Device Data
46 SIPROTEC 4/5, Injection unit 7XT71, Manual
C53000-B1174-C128-8, Edition 05.2020