ARTHUR HOLM AHDTLM UC Benutzerhandbuch - Seite 10
Blättern Sie online oder laden Sie pdf Benutzerhandbuch für Mikrofon ARTHUR HOLM AHDTLM UC herunter. ARTHUR HOLM AHDTLM UC 16 Seiten. Motorized microphone system for underneath installation
Seite druckenAHnet 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 answer
Pins 3&6: the units receive orders
Protocol to control the device by addressable RS422 bus. You can connect
up to 30 dvices on the same RS422 bus. You can use a AH Interface
Ethernet, to control the RS422 bus. The units should have set address and
the address must start by 1. Maximum cable length between ends, 500m
AHnet Protocol:
Using 5 bytes to communication:
BYTE 0
START BYTE
BYTE 1
ADDRESS BYTE
BYTE 2
COMMAND BYTE
BYTE 3
VALUE 1
BYTE 4
VALUE2
10
1-
Data TX+
2-
Data TX-
3-
Data RX+
4-
NC
5-
NC
6-
Data RX-
7-
NC
8-
NC