Modbus Protocol - Monacor PA-1250D Mode D'emploi

Modbus Protocol

Communication Control
Baud rate
Data Frame
Parity
Slave No. 지정
1. SYSTEM CONDITION CHECK
Code Address
System Status Check
Data HI
bit 15 ~ bit 8
Data LOW
bit 7 ~ bit 4
04h 30000
bit 3
bit 2
bit 1
bit 0
(0=Abence, 1=Presence)
2. SYSTEM SETTING & VOLUME CHECK
Code Address
System Status Check
Channel 1
Data HI
bit 15 ~ bit 8
Data LOW
bit 7~ bit 5
bit 4
bit 3
04h 30001
bit 2
bit 1
bit 0
30002 Channel 2
30003 Channel 3
30004
Channel 4
3. SYSTEM SETTING CHECK & VOLUME CHECK
Code Address
System Setting Check
Channel 1
Data HI
bit 15 ~ bit 8
Data LOW
04h 30005
0~99
30006 Channel 2
30007 Channel 3
30008 Channel 4
26
RS-485 MODBUS PROTOCOL
9600, 19200 bps
1 Start bit, 8 Data bit, 1 Stop bit
Non Parity
1 ~ 99 (Device Setting)
Parameter Bytes
Reserved
Reserved
Channel 4
Channel 3 2
Channel 2
Channel 1
Parameter Bytes
Reserved
Reserved
Battery MOde
Sleep Mode 2
Mute
Output Limit
Power
(0= OFF, 1=ON)
Parameter Bytes
Reserved
Volume SET
2
R/W Unit Data Mag.
R unsigned 16
R/W Unit Data Mag.
R unsigned 16
R/W Unit Data Mag.
R unsigned 16
Data Type
Data Type
Data Type