2.6 Interfaces
2.6.1 Local Control Panel
Input or output
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With 13 keys and a 4 ×20 character liquid crystal display (LCD).
State and fault signals
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23 LED indicators (5 permanently assigned, 18 freely configurable).
2.6.2 PC Interface
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Transmission rate: 300 to 115,200 baud (adjustable)
2.6.3 Serial Communication Interface
The communication module can be provided with up to two communication
channels, depending on the module variant. Channel 1 may either be equipped
to connect wire leads or optical fibers and channel 2 is only available to connect
wire leads.
For communication interface 1, communication protocols based on
IEC 870-5‑103, IEC 60870‑5‑101, MODBUS, DNP 3.0, or Courier can be set.
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Transmission rate: 300 to 64000 baud (adjustable).
Communication interface 2 can only be operated with the interface protocol
based on IEC 60870-5-103.
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Transmission rate: 300 or 57600 baud (adjustable).
Wire Leads
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Per RS 485 or RS 422, 2 kV isolation
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Distance to be bridged
o
Point-to-point connection: max. 1200 m
o
Multipoint connection: max. 100 m
Plastic Fiber Connection
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Optical wavelength: typically 660 nm
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Optical output: min. -7.5 dBm
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Optical sensitivity: min. -20 dBm
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Optical input: max. -5 dBm
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Distance to be bridged: max. 45 m
(Distance to be bridged given for identical optical outputs and inputs at
both ends, a system reserve of 3 dB, and typical fiber attenuation)
Glass Fiber Connection G 50/125
●
Optical wavelength: typically 820 nm
●
Optical output: min. -19.8 dBm
●
Optical sensitivity: min. -24 dBm
●
Optical input: max. -10 dBm
●
Distance to be bridged: max. 400 m
(Distance to be bridged given for identical optical outputs and inputs at
both ends, a system reserve of 3 dB, and typical fiber attenuation)
P634
2 Technical Data
2-14 P634/EN M/R-42-A // P634‑311‑653
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