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Support standard Modbus protocol,  ASCII/RTU format

USB control relay module 2 contacts
* Can be powered by a computer USB port to control 220V appliances;
* Get VB6.0, VC source code, user-friendly secondary development;
* Support for PC timing control relay;
* Has a relay output status indication, easy to know the working state relay
Supply voltage: USB 5V internal to take power
Control Interface: USB Interface
Control current: 220V 10A
Module size: 86mmX20mm
Contact capacity: AC250V 10A
Output indicator: LED indicates relay state
Relay: One relay
 

Remarks:
The Modbus device directive supports the following Modbus addresses:
00001 to 09999 discrete output (coil)
10001 to 19999 is discrete input (contact)
30001 to 39999 is the input register (usually an analog input) from 40001 to 49999 is the hold register (reserved)
5 bit code format, the first character to determine the type of register, the remaining 4 characters on behalf of the address. Address 1 from the beginning of the 0, such as the corresponding 0000 of 00001.
Communication format
This product supports standard MODBUS instructions, detailed instruction format can refer to the "MODBUS protocol.Pdf".
This product also supports Modbus ASCII/RTU format.
Application examples and instructions: in addition to the address of the local code switch address, the default is 254.

USB control relay module 2 contacts
* Can be powered by a computer USB port to control 220V appliances;
* Get VB6.0, VC source code, user-friendly secondary development;
* Support for PC timing control relay;
* Has a relay output status indication, easy to know the working state relay
Supply voltage: USB 5V internal to take power
Control Interface: USB Interface
Control current: 220V 10A
Module size: 86mmX20mm
Contact capacity: AC250V 10A
Output indicator: LED indicates relay state
Relay: One relay
 

Remarks:
The Modbus device directive supports the following Modbus addresses:
00001 to 09999 discrete output (coil)
10001 to 19999 is discrete input (contact)
30001 to 39999 is the input register (usually an analog input) from 40001 to 49999 is the hold register (reserved)
5 bit code format, the first character to determine the type of register, the remaining 4 characters on behalf of the address. Address 1 from the beginning of the 0, such as the corresponding 0000 of 00001.
Communication format
This product supports standard MODBUS instructions, detailed instruction format can refer to the "MODBUS protocol.Pdf".
This product also supports Modbus ASCII/RTU format.
Application examples and instructions: in addition to the address of the local code switch address, the default is 254.