17
AHNET PROTOCOL
Communications protocol
COMMUNICATION RS422
CONNECTION RJ45
WIRING CAT-5
Speed and configuration
BAUD RATE
38400
DATA BITS
8
PARITY
NONE
STOP BITS
1
Wiring Diagram
1. Data TX +
2. Data TX –
3. Data RX +
4. NC
5. NC
6 .Data RX –
7. NC
8. NC
Connection
PINS 1 & 2
The units respond
PINS 3 & 6
The units receive instructions
Protocol to control the device by addressable RS422 bus.
You can connect up to 30 devices on the same RS422 bus.
You can use AH Interface ETR to control the RS422 bus.
The units should have a set address and the address must start by 1.
From the ERT to the last device on the AHnet, the maximum cable
length between ends should not exceed 500 m/1640 ft.
RJ-45
