DSC ELECTRONICS DP-M Series Kullanıcı Kılavuzu - Sayfa 12
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Sayfayı YazdırDP-M Series User's Manual
Version 12.11.2021
Communication Protocol for DSC-Electronics DP-M Series power supplies
Interface: RS-232 / RS-485
Command format: Asynchronous, 1 start bit, 8 data bits, 1 stop bit
Baud rate: 1200; 2400; 4800; 9600; 14400; 19200; 38400; 43000; 57600; 115200; default at 9600
Communication mode: Master-Slave mode
Controller respond time:
Command Format
1st part: ID number of the DC power supply, 1-16 (If the ID number is 0, all devices will respond)
2nd part: Control command
3rd part: Data length (how many values are supplied to the device in this command)
Data part: 16-bit data, high bit in the front
CRC part: MODBUS format, low byte in the front
Feedback Command Format
1st part: ID number of the DC power supply, 1-16
2nd part: control command
3rd part: data length (how many values are supplied to the device in this command)
Data part: 16-bit data, high bit in the front
CRC check: MODBUS format, low byte in the front
Note: The power supply automatically switches to remote operation mode as soon as contacted through one of the
digital interfaces.
7. Command Examples
7.1 Output ON/OFF
Control command:
ID
Function Code
01
05
01
05
Feedback: Equal to command.
7.2 Read Output Status
Control command:
ID
Function Code
01
01
Feedback:
ID
Function Code
01
01
01
01
7.3 Read Output Voltage Value
Control command:
ID
Function Code
01
04
Feedback:
ID
Function Code
01
04
Voltage: 0x0283 in decimal equals to 643.
643 divided by 10 (1 decimal point) is 64.3, thus a voltage value of 64.3V.
Register Address
0085
0085
Address of Start Register
0085
Address of First Register
01
01
Address of First Register
0064
Bytes
02
DSC-Electronics Germany • Georgstraße 36 • 53111 Bonn
DSC-Electronics Germany • Georgstraße 36 • 53111 Bonn
Data (On/Off)
FF00
0000
Numbers of Registers
0001
Output Status (On/Off)
01
00
Numbers of Registers
0001
Output Voltage
0283
CRC Check Code
9DD3
DC23
CRC Check Code
EC23
CRC Check Code
9048
5188
CRC Check Code
7015
CRC Check Code
F9F1