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Rp88.509
Modbus RTU RS232 Relay Module 7-24V 1 2 4 Channel Serial Communication - 1 Channel
Rp88.509
Pilih ukuran: 1 Channel
7-24V Modbus RTU 1/2/4 Channel RS232 Serial Relay Module
Harga tertera untuk 1 unit sesuai pilihan varian : 1ch / 2ch / 4ch
Modbus relay module is equipped with a mature and stable 8-bit MCU and RS232 level communication chip.
Using the standard MODBUS RTU format RS232 communication protocol, it can realize 1 channel of input signal detection and 1 channel of relay output, which can be used for digital detection or power control occasions.
Communication protocol: support standard Modbus RTU protocol.
Communication interface: Support RS232/TTL UART interface.
The operation is simple and easy to understand.
1. Com baudrate: 4800/9600/19200, default 9600bps, support power-down save
2. Optocoupler input signal range: DC3.3-24V (this input cannot be used for relay control)
3. Output signal: relay switch signal, support manual, flash-off, flash-off mode, the delay base of flash-off/flash-off is 0.1S, and the maximum flash-off/flash-off time can be set to 0xFFFF*0.1S=6553.5S
4. Device address: range 1-255, default 255, support power-down save
5. The baud rate, input signal, relay status, and device address can be read using software/commands
6. On-board 1/2/4-way 5V, 10A/250VAC10A/30VDC relay, which can be pulled in 100,000 times continuously, has diode bleed protection, and has a short response time
7. On-board relay switch indicator light
8. Supply voltage: DC7-24V DC
Board size:
1ch : 80 x 33 mm
2ch : 79 x 49 mm
4ch : 87 x 93 mm
Assuming the device address is 255,
the commonly used Modbus RTU commands are as follows:
1. Turn on the No. 1 relay (manual mode)
Send: FF 05 00 00 FF 00 99 E4
Return as it is: FF 05 00 00 FF 00 99 E4
Remarks:
(1) The 3-4 bytes of the sending frame represent the relay address. The addresses of relay 1-relay 8 are 0x0000, 0x0001,0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007
(2) The 5-6 bytes of the sending frame represent data, 0xFF00 means opening the relay, and 0x0000 means closing the relay.
2. Turn off the No. 1 relay (manual mode)
Send: FF 05 00 00 00 00 D8 14
Return as it is: FF 05 00 00 00 00 D8 14
3. Turn on all relays
Send: FF 0F 00 00 00 08 01 FF 30 1D
Return: FF 0F 00 00 00 08 41 D3
4. Turn off all relays
Send: FF OF 00 00 00 08 01 00 70 5D
Returns: FF OF 00 00 00 08 41 D3
5. Set the device address to 1
Send: 00 10 00 00 00 01 02 00 01 6A 00.
Return as it is: 00 10 00 00 00 01 02 00 01 6A 00
Remarks: The 9th byte 0x01 of the sending frame is the written device address
6. Set the device address to 255
Send: 00 10 00 00 00 01 02 00 FF EB 80
Return as it is: 00 10 00 00 00 01 02 00 FF EB 80
Remarks: The 9th byte of the sending frame, 0xFF, is the written device address
7. Read the device address
Send: 00 03 00 00 00 01 85 DB
Return: 00 03 02 00 FF C5 C4
Remarks: The 5th byte of the return frame, 0xFF, is the read device address
8. Read the relay status
Send: FF 01 00 00 00 08 28 12
Returns: FF 01 01 01 A1 AO
Remarks: Bit0--Bit7 of the 4th byte of the return frame, 0x01, represent relay 1--relay 8, 0 means off, and 1 means on.
9. Read optocoupler input status
Send: FF 02 00 00 00 08 6C 12
Returns: FF 02 01 01 51 AO
Remarks: IN1--IN8 of the 4th byte of the return frame 0x01 represent the input signal of optocoupler 1 to optocoupler 8, 0 represents low level, and 1 represents high level
10. Set the baud rate to 4800
Send: FF 10 03 E9 00 01 02 00 02 4A 0C
Return: FF 10 03 E9 00 01 C5 A7
Remarks: The 9th byte of the sent frame is the baud rate setting value, 0x02, 0x03, and x04 represent 4800, 9600, 19200 respectively
11.Set the baud rate to 9600
Send: FF 10 03 E9 00 01 02 00 03 8B CC
Returns: FF 10 03 E9 00 01 C5 A7
12. Set the baud rate to 19200
Send: FF 10 03 E9 00 01 02 00 04 CA 0E
Return: FF 10 03 E9 00 01 C5 A7
13, read the baud rate
Send: FF 03 03 E8 00 01 11 A4
Returns: FF 03 02 00 04 90 53
Remarks: The 5th byte of the return frame represents the baud rate read, 0x02, 0x03, and x04 represent 4800, 9600, 19200 respectively
14. Turn on the No. 1 relay (flash close mode 2S)
Send: FF 10 00 03 00 02 04 00 04 00 14 C5 9F
Return: FF 10 00 03 00 02 A4 16
Remarks:
(1) The 3-4 bytes of the sending frame represent the relay address, the addresses of relay 1-relay 8 are 0x0003, 0x0008, 0x000D, 0x0012, 0x0017, 0x001C, 0x0021, 0x0026
(2) The 0-11 bytes of the sent frame represent the delay setting value, the delay base is 0.1S, so the delay time is 0x0014*0.1=20*0.1S=2S, and the relay will be turned off automatically after opening 2S
15, turn off the No. 1 relay (flash mode 3S)
Send: FF 10 00 03 00 02 04 00 02 00 1E A5 99
Return: FF 10 00 03 00 02 A4 16
Remarks:
(1) The 3-4 bytes of the sending frame represent the relay address. The addresses of relay 1-relay 8 are 0x0003, 0x0008, 0x000D, 0x0012, 0x0017, 0x001C, 0x0021, 0x0026
(2) The 10th-11th byte of the sending frame represents the delay setting value, the delay base is 0.1S, so the delay time is 0x001E*0.1=30*0.1S=3S, and the relay is turned off automatically after 3S.
Harga tertera untuk 1 unit sesuai pilihan varian : 1ch / 2ch / 4ch
Modbus relay module is equipped with a mature and stable 8-bit MCU and RS232 level communication chip.
Using the standard MODBUS RTU format RS232 communication protocol, it can realize 1 channel of input signal detection and 1 channel of relay output, which can be used for digital detection or power control occasions.
Communication protocol: support standard Modbus RTU protocol.
Communication interface: Support RS232/TTL UART interface.
The operation is simple and easy to understand.
1. Com baudrate: 4800/9600/19200, default 9600bps, support power-down save
2. Optocoupler input signal range: DC3.3-24V (this input cannot be used for relay control)
3. Output signal: relay switch signal, support manual, flash-off, flash-off mode, the delay base of flash-off/flash-off is 0.1S, and the maximum flash-off/flash-off time can be set to 0xFFFF*0.1S=6553.5S
4. Device address: range 1-255, default 255, support power-down save
5. The baud rate, input signal, relay status, and device address can be read using software/commands
6. On-board 1/2/4-way 5V, 10A/250VAC10A/30VDC relay, which can be pulled in 100,000 times continuously, has diode bleed protection, and has a short response time
7. On-board relay switch indicator light
8. Supply voltage: DC7-24V DC
Board size:
1ch : 80 x 33 mm
2ch : 79 x 49 mm
4ch : 87 x 93 mm
Assuming the device address is 255,
the commonly used Modbus RTU commands are as follows:
1. Turn on the No. 1 relay (manual mode)
Send: FF 05 00 00 FF 00 99 E4
Return as it is: FF 05 00 00 FF 00 99 E4
Remarks:
(1) The 3-4 bytes of the sending frame represent the relay address. The addresses of relay 1-relay 8 are 0x0000, 0x0001,0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007
(2) The 5-6 bytes of the sending frame represent data, 0xFF00 means opening the relay, and 0x0000 means closing the relay.
2. Turn off the No. 1 relay (manual mode)
Send: FF 05 00 00 00 00 D8 14
Return as it is: FF 05 00 00 00 00 D8 14
3. Turn on all relays
Send: FF 0F 00 00 00 08 01 FF 30 1D
Return: FF 0F 00 00 00 08 41 D3
4. Turn off all relays
Send: FF OF 00 00 00 08 01 00 70 5D
Returns: FF OF 00 00 00 08 41 D3
5. Set the device address to 1
Send: 00 10 00 00 00 01 02 00 01 6A 00.
Return as it is: 00 10 00 00 00 01 02 00 01 6A 00
Remarks: The 9th byte 0x01 of the sending frame is the written device address
6. Set the device address to 255
Send: 00 10 00 00 00 01 02 00 FF EB 80
Return as it is: 00 10 00 00 00 01 02 00 FF EB 80
Remarks: The 9th byte of the sending frame, 0xFF, is the written device address
7. Read the device address
Send: 00 03 00 00 00 01 85 DB
Return: 00 03 02 00 FF C5 C4
Remarks: The 5th byte of the return frame, 0xFF, is the read device address
8. Read the relay status
Send: FF 01 00 00 00 08 28 12
Returns: FF 01 01 01 A1 AO
Remarks: Bit0--Bit7 of the 4th byte of the return frame, 0x01, represent relay 1--relay 8, 0 means off, and 1 means on.
9. Read optocoupler input status
Send: FF 02 00 00 00 08 6C 12
Returns: FF 02 01 01 51 AO
Remarks: IN1--IN8 of the 4th byte of the return frame 0x01 represent the input signal of optocoupler 1 to optocoupler 8, 0 represents low level, and 1 represents high level
10. Set the baud rate to 4800
Send: FF 10 03 E9 00 01 02 00 02 4A 0C
Return: FF 10 03 E9 00 01 C5 A7
Remarks: The 9th byte of the sent frame is the baud rate setting value, 0x02, 0x03, and x04 represent 4800, 9600, 19200 respectively
11.Set the baud rate to 9600
Send: FF 10 03 E9 00 01 02 00 03 8B CC
Returns: FF 10 03 E9 00 01 C5 A7
12. Set the baud rate to 19200
Send: FF 10 03 E9 00 01 02 00 04 CA 0E
Return: FF 10 03 E9 00 01 C5 A7
13, read the baud rate
Send: FF 03 03 E8 00 01 11 A4
Returns: FF 03 02 00 04 90 53
Remarks: The 5th byte of the return frame represents the baud rate read, 0x02, 0x03, and x04 represent 4800, 9600, 19200 respectively
14. Turn on the No. 1 relay (flash close mode 2S)
Send: FF 10 00 03 00 02 04 00 04 00 14 C5 9F
Return: FF 10 00 03 00 02 A4 16
Remarks:
(1) The 3-4 bytes of the sending frame represent the relay address, the addresses of relay 1-relay 8 are 0x0003, 0x0008, 0x000D, 0x0012, 0x0017, 0x001C, 0x0021, 0x0026
(2) The 0-11 bytes of the sent frame represent the delay setting value, the delay base is 0.1S, so the delay time is 0x0014*0.1=20*0.1S=2S, and the relay will be turned off automatically after opening 2S
15, turn off the No. 1 relay (flash mode 3S)
Send: FF 10 00 03 00 02 04 00 02 00 1E A5 99
Return: FF 10 00 03 00 02 A4 16
Remarks:
(1) The 3-4 bytes of the sending frame represent the relay address. The addresses of relay 1-relay 8 are 0x0003, 0x0008, 0x000D, 0x0012, 0x0017, 0x001C, 0x0021, 0x0026
(2) The 10th-11th byte of the sending frame represents the delay setting value, the delay base is 0.1S, so the delay time is 0x001E*0.1=30*0.1S=3S, and the relay is turned off automatically after 3S.
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