Data Transmission - SBC AWD3D5WS Montage- Und Bedienungsanleitung

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Technical data S-Bus
Bus system
Transmission rate
Transmission mode
Bus length (max.)
Response time:
■ The interface works only if the phase 1 is connected.
■ The communication is ready 30 s after the power on.
■ The use of energy meter in Bus with intensive communication could reduce the performance of the Bus
■ Refresh time for the data is 10 s. For this reason one energy meter should be not polled faster as 10 s.
■ 254 devices could be connected to the S-Bus. Over 128 devices, a repeater should be used.
■ The interface don't have a terminal resistor, this should be provided external.
■ For a description of the used registers please look at the register page

Data transmission

■ Only «read/write» register instructions are recognized.
■ Only one register can be written at a time.
■ The device will respond „NAK" if more than 1 register is written.
■ Up to 10 Registers could be read at a time.
■ The device will respond „NAK" if more than 10 registers are read.
■ The device will not respond to any unknown query.
■ The device has a voltage monitoring system. In case of voltage loss, registers are stored in EEPROM
(transmission rate» etc.)
Change the S-Bus address direct on device
■ To modify the S-Bus address, press 3 sec on ► touch
■ In menu, ▼ increase address by 10, ► increase by 1
■ Once the address is selected wait for the root menu to come back
S-Bus
4800-9600-19 200-38 400-57 600-115 200.
The transmission Baud rate is automatically detected
Data
1200 m (without repeater)
Write: 60 ms
Read: 60 ms
Saia-Burgess Controls AG
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T +41 26 580 30 00 I F +41 26 580 34 99
www.sbc-support.com
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