Technical data S-Bus
Bus system
Transmission rate
Transmission mode
Bus length (max.)
Response time:
The communication is ready 30 s after the power on
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For a description of the used registers please look at the register page
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Data transmission
Only «read/write» register instructions are supported
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Only one register can be written at the same time
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The device will respond «NAK» if more than 1 register is written
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Up to 20 registers could be read at the same time
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The device will respond «NAK» if more than 20 registers are read
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The device will not respond to any unknown query
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The device has a voltage monitoring system. In case of voltage drop, registers are stored in EEPROM (transmission rate) etc.
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Changing the S-Bus address (Pic. 4)
Note: The address setting will only be read during power up of the module supply.
Changing the S-Bus address:
Switch off 230 VAC supply
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Set new address
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Switch on 230 VAC supply
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S-Bus
2400-4800-9600-19 200-38 400-57 600-115 200.
The transmission Baud rate is automatically detected
Data
1200 m (without repeater)
Write: up to 30 ms
Read: up to 20 ms
Saia-Burgess Controls AG
Bahnhofstrasse 18 I CH-3280 Murten I Schweiz
T +41 26 580 30 00 I F +41 26 580 34 99
www.sbc-support.com
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