ARTHUR HOLM AHDTL User Manual - Page 14

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AHnet protocol

COMMUNICATIONS PROTOCOL
Communication
Connection
Wiring
SPEED & CONFIGURATION
Baud Rate
Data Bits
Parity
Stop Bits
WIRING DIAGRAM
1
2
3
4
5
6
7
8
CONNECTION
Pins 1 & 2
Pins 3 & 6
Protocol to control the DynamicTalk by addressable RS422 bus.
You can connect up to 30 devices on the same RS422 bus.
You can use a AH Interface Ethernet, to control the RS422 bus.
The units should have a set address and the address must start by 1.
Maximum cable length between ends, 500m/1640 ft.
14
RS422
RJ45
CAT-5
38400
8
None
1
Data TX +
Data TX –
Data RX +
NC
NC
Data RX
NC
NC
The units respond
The units receive instructions
RJ-45