ARTHUR HOLM AHSSR42W, Руководство пользователя

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10
User manual AHnet Protocol
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Communication›type›:›RS422
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Connection›type›:›RJ45
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Wiring›type›:›CAT-5
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Speed›and›configuration›:
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Baud›Rate›=›38400
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Data›Bits›=›8
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Parity›=›None
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Stop›Bits›=›1
WIRING›DIAGRAM
Pins 1&2 :›the›units››respond
Pins 3&6 :›the›units›receive›instructions
Protocol›to›control›the›monitor›by›addressable›RS422›bus.›Up›to›30›monitors›can›be›connected›to›the›same›RS422›bus.›
It›is›possible›to›use›a›AH›Interface›Ethernet›to›control›the›RS422›bus.›The›units›should›have›set›an›address›and›the›address›
must›start›by›1.›Maximum›cable›length›between›ends›is›500m.
1.› Data›TX+
2.› Data›TX-
3.› Data›RX+
4.› NC
5.› NC
6.› Data›RX-
7.› NC
8.› NC
AHnet Protocol
AHnet›PROTOCOL
Using›5›bytes›communication:
BYTE 0
START›BYTE
BYTE 1 ADDRESS›BYTE
BYTE 2 COMMAND›BYTE
BYTE 3 VALUE›1
BYTE 4
VALUE›2