ARTHUR HOLM AH19D1HDA2F 사용자 설명서 - 페이지 14
{카테고리_이름} ARTHUR HOLM AH19D1HDA2F에 대한 사용자 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. ARTHUR HOLM AH19D1HDA2F 20 페이지.
User manual
AHnet Protocol
› ›
Communication›type›:›RS422
› ›
Connection›type›:›RJ45
› ›
Wiring›type›:›CAT-5
› ›
Speed›and›configuration›:
› – Baud›Rate›=›38400
› – Data›Bits›=›8
› – Parity›=›None
› – Stop›Bits›=›1
WIRING›DIAGRAM
Pins 1&2:›the›units› › respond
Pins 3&6:›the›units›receive›orders
Protocol›to›control›the›monitor›by›addressable›RS422›bus.›It›is›possible›to›connect›up›to›30›monitors›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.
AHnet›PROTOCOL
Using›5›bytes› › communication:
BYTE 0
BYTE 1
BYTE 2
BYTE 3
BYTE 4
14
1.› Data›TX+
2.› Data›TX-
3.› Data›RX+
4.› NC
5.› NC
6.› Data›RX-
7.› NC
8.› NC
START›BYTE
ADDRESS›BYTE
COMMAND›BYTE
VALUE›1
VALUE›2
AHnet Protocol