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Product compatibility
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Premium
Atrium
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Method of access
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Master/slave type
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Integrated connection type
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1 serial link: 1 SUB-D 25 connector
1 slot for PCMCIA type III card
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Communication port protocol
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Multiprotocol
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Communication port support
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RS485 isolated
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Mode of transmission
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Asynchronous in baseband
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Transmission frame
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RTU/ASCII
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Transmission rate
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1.2...19.2 kbit/s
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Transmission support medium
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2 twisted shielded pairs cable
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Number of devices
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28
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Number of addresses
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0…97
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Bus length
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0…1300 m Modbus
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Maximum tap links length
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15 m
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Requests
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120 words per request
1920 bits per request
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Control parameter
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One CRC 16 on each frame
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Monitoring function
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Event counters
Diagnostic counters
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Modbus funtions available
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Event connection Modbus master 0C
Event connection Modbus slave 0C
Event counter Modbus master 0B
Event counter Modbus slave 0B
Identification Modbus slave 11
Slave identification Modbus master 11
Write n output bits Modbus slave 0F
Write n output words Modbus slave 10
Diagnostic Modbus master 08
Diagnostic Modbus slave 08
Exceptional read status Modbus master 07
Exceptional read status Modbus slave 07
Read input words Modbus master 04
Read n input words Modbus slave 04
Write 1 bits or n bits Modbus master 05
Write 1 input word Modbus slave 06
Write 1 output bit Modbus slave 05
Write 1 word or n word Modbus master 06
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Local signalling
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1 LED for communication (CH0)
1 LED for internal fault, module failure (ERR)
1 LED for module operating (RUN)
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Current consumption
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350 mA at 5 V DC
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Module format
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Standard
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Net weight
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0.36 kg
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