Siemens siprotec 7SA6, Руководство пользователя

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Technical Data
10-8
7SA6 Manual
C53000-G1176-C156
– Test voltage 500 V; 50 Hz
– Transmission speed up to 12 MBd
– Maximum transmission distance 1000 m at
≤
93.75 kBd
500 m at
≤
187.5 kBd
200 m at
≤
1.5 MBd
100 m at
≤
12 MBd
Optical fibre
– Connector Type ST–connector
for flush mounted case rear panel, mounting location “B”
for surface mounted case at the inclined housing on the case bottom
– Optical wavelength
λ
= 820 nm
– Laser class 1 acc. EN 60825–1/ –2 using glass fibre 50/125 µm or
using glass fibre 62.5/125 µm
– Permissible optical signal attenuation max. 8 dB, using glass fibre 62.5/125 µm
– Maximum transmission distance 1.5 km (0.93 miles)
– Character idle state selectable; factory setting: “Light off”
Profibus Optical
– Connector Type
ST–plug
single ring or twin ring depending on
ordered version
– Connection for flush mounted case rear panel, mounting location “B”
for surface mounted case please use the relay with Profibus RS485
interface and separate fibre optic converter.
– Transmission speed to 1.5 MBd
recommended: > 500 kBd
– Optical wavelength
λ
= 820 nm
– Laser class 1 acc. EN 60825–1/ –2 using glass fibre 50/125 µm or
using glass fibre 62.5/125 µm
– Permissible optical signal attenuation max. 8 dB using glass fibre 62.5/125 µm
– Maximum transmission distance 1500 m (4920 ft)
Time
Synchronization
Interface – Signal type DCF77/IRIG B-Signal
– Connection for flush mounted case rear panel, mounting location “A”
9-pin DSUB socket
for surface mounted case at the terminal on the case bottom
– Nominal signal voltages optional 5 V, 12 V or 24 V
– Signal level and burden:
Nominal signal input voltage
5 V 12 V 24 V
U
IHigh
6.0 V 15.8 V 31 V
U
ILow
1.0 V for I
ILow
= 0.25 mA 1.4 V
for I
ILow
= 0.25 mA 1.9 V
for I
ILow
= 0.25 mA
I
IHigh
4.5 mA to 9.4 mA 4.5 mA to 9.3 mA 4.5 mA to 8.7 mA
R
I
890
Ω
for
U
I
= 4 V
640
Ω
for
U
I
= 6 V
1930
Ω
for
U
I
= 8.7 V
1700
Ω
for
U
I
= 15.8 V
3780
Ω
for
U
I
= 17 V
3560
Ω
for
U
I
= 31 V