Electrical Tests - Siemens Siprotec 7UM611 Manual

Time Synchronization Interface
4.1.5

Electrical Tests

Regulations
Insulation Test
7UM61 Manual
C53000-G1176-C127-3
Time synchronization
Connection for flush-mounted case
for surface-mounted case
Signal Nominal Voltages
5 V
U 6.0 V
IHigh
U 1.0 V at I = 0.25 mA
ILow ILow
I 4.5 mA to 9.4 mA
IHigh
890 Ω at U
R = 4 V
I I
640 Ω at U
= 6 V
I
Standards:
Standards:
High voltage test (routine test) current
inputs, voltage inputs, output relays
High voltage test (routine test) auxiliary
voltage and binary inputs
High voltage test (routine test) measuring
transducers TD1-TD3
Impulse Voltage Test (Routine Test) Only
Isolated Communications and Time Syn-
chronization Interfaces and Analog Outputs
(Ports A -D)
Impulse voltage test (type test) all circuits
except communication and time synchroni-
zation interfaces, analog outputs
DCF 77
IRIG B Signal
(telegram format IRIG-B000)
rear panel, mounting location "A";
9-pin D-SUB socket
at two-tier terminals on case bottom
selectable 5 V, 12 V or 24 V
Signal levels and burdens:
Nominal Signal Voltage
12 V
15.8 V
1.4 V at I = 0.25 mA
ILow
4.5 mA to 9.3 mA
1930 Ω at U
= 8.7 V
I
1700 Ω at U
= 15.8 V
I
IEC 60,255 (product standards)
IEEE C37.90.0/.1/.2
UL 508
DIN 57 435 Part 303
See also standards for individual tests
IEC 60,255-5, IEC 60,870-2-1
2.5 kV (rms), 50 Hz
3.5 kV DC
3.0 kV DC
500 V (rms), 50 Hz
5 kV (peak): 1.2/50 µs: 0.5 J:
3 positive and 3 negative impulses in intervals of
5 s
4.1 General
24 V
31 V
1.9 V at I = 0.25 mA
ILow
4.5 mA to 8.7 mA
3780 Ω at U
= 17 V
I
3560 Ω at U
= 31 V
I
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