Electrical Tests - Siemens SIPROTEC 7SJ62 Instruction Manual

Technical Data
Clock

10.1.5 Electrical Tests

Specifications
Insulation Tests
10-6
For Panel Surface-
Mounted Case
– Transmission Speed
recommended:
– Optical Wavelength
– Laser class 1 Under EN 60825–1/ –2 using glass fiber 50/125 µm or
– Optical Link Signal Attenuation
– Channel Distance
– Character Idle State
– Time Synchronization
– Connection For Flush-mounted Case rear panel, mounting location "A"
For Panel Surface-
Mounted Case
– Signal Rated Voltage
– Signal Levels and Burdens:
5 V
V 6.0 V
IHigh
V 1.0 V at I
= 0.25 mA
ILow
ILow
I 4.5 mA to 9.4 mA
IHigh
890 Ω at V
R = 4 V
I I
640 Ω at V
= 6 V
I
Standards:
Standards:
– High Voltage Test (routine test)
All circuits except power supply,
Binary Inputs, and
Communications Interface
– High Voltage Test (routine test)
only power supply and binary inputs
on the case bottom
up to 1.5 M Baud
> 500 k Baud
λ = 820 nm
using glass fiber 62.5/125 µm
max. 8 dB, with glass fiber 62.5/125 µm
max. 1.5 km (0.95 miles)
selectable: factory setting "Light Off"
DCF77/IRIG B–Signal
9 - pin DSUB port
at the terminal on the case bottom
selectable 5 V, 12 V or 24 V
Rated Signal Voltage
12 V
15.8 V
at I
1.4 V = 0.25 mA
ILow
4.5 mA to 9.3 mA
1930 Ω at V
= 8.7 V
I
1700 Ω at V
= 15.8 V
I
IEC 60255 (Product Standards)
ANSI/IEEE C37.90.0,.C37.90.0.1,C37.90.0.2
UL 508
DIN 57 435 Part 303
See also standards for individual functions
IEC 60255–5, IEC 60870–2–1
2.5 kV (rms) AC
3.5 kVDC
24 V
31 V
at I
1.9 V = 0.25 mA
ILow
4.5 mA to 8.7 mA
3780 Ω at V
= 17 V
I
3560 Ω at V
= 31 V
I
7SJ62 Manual
C53000-G1140-C121-1