CEL-MAR ADA-401WA, Руководство пользователя

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4.8.1. EXAMPLE OF USE BREAK COMMAND
Send to ADA-401WA converter bytes sequence :
[HEX:] 01 C1 C1 C1
where [HEX] :
01 - address of ADA-401WA
C1 C1 C1 - BREAK command for reset and automatic calibration of DS2480B driver
5. VERSIONS
ADA-401WA - - -
Order example:
Product Symbol:
ADA-401WA-1-2-3
1 – without possibility of programming the memory of
1-WIRE interface,
2 – galvanic isolation 1kV=,
3 – cover without inlets, plug-in screw terminal block,
Electronic versions:
Without possibility of programming the memory of
1-WIRE interface
1
With possibility of programming the memory of
1-WIRE interface
2
Galvanic isolation:
1kV=
2
3kV=
3
Terminal & Terminal Cover:
Cover without inlets, screw terminal block
1
Cover with inlets, screw terminal block
2
Cover without inlets, plug-in screw terminal block
3
6. SPECIFICATION
TECHNICAL DATA
Transmission Parameters
Interface RS-485 1-WIRE
Connector screw terminal, wire max. ø 2,5mm
2
screw terminal, wire max. ø 2,5mm
2
Line length 1200m up to 300m – for ds18b20 sensors
Maximum number of connected device
32 up to 100 ds18b20 sensors
Maximum baud rate up to 230,4 [kbit/sek]
standard: 0 do 16,3 kbps,
overdrive: 0 do 142 kbps,
Transmission line
Twisted cable 2-pair , UTP Nx2x0,5
(24AWG), shield inside large
interferences STP Nx2x0,5(24AWG).
Twisted cable 1-pair or 2-pair , UTP Nx2x0,5
(24AWG), shield inside large interferences
STP Nx2x0,5(24AWG).
Transmission type
EIA-485, CCITT V.11. 1-WIRE signal
Standards
•
PWR – green LED power supply
•
RX - red LED data receiving from 1-WIRE interface
•
TX - yellow LED data transmission through 1-WIRE interface
Electrical Parameters
Power requirements 10 - 24 – 30 V DC
Power Cable Recommended length of power cable – up to 3m
Power 3W
Protection from reverse power polarization YES
Galvanic Isolation 1kV DC or 3kV DC - between power circuit and RS485/422 signal line
Optoisolation 3kV - between signal line 1-WIRE and RS-485/422
Electromagnetic compatibility
Resistance to disruptions according to the standard PN-EN 55024.
Emission of disruptions according to the standard PN-EN 55022.
Safety requiring According to the PN-EN60950 norm.
Environment Commercial and light industrial.
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ADA-401WA