Modbus UDP
Review the following information for setting up and configuring the Modbus UDP driver.
Compatibility parameter | Compatible items |
|---|---|
Driver type | Ethernet |
When to use | UDP connection to a Modbus device |
Replaces Gen 1 driver(s) | Learn more about Gen1 and Gen2 Driver Differences |
To set up and configure this device in Litmus Edge, you will need to do the following:
- Step 1: Set up and Configure the PLC Device
- Step 2: Set up the PLC Device in Litmus Edge DeviceHub
- Step 3: Configure the List of Registers
If the device is configured for Ethernet access, find its network parameters. Otherwise, use PLC software on your computer to configure the device for Ethernet access.
Parameter | Value |
|---|---|
Type | Modbus |
Driver | Modbus UDP |
Network Address | The device IP address defined in Step 1 |
Network Port | 502 |
Station ID | 0 |
Zero-Based Addressing | Select Enable or Disable |
Note: The address format in this Gen 2 driver is different from the Gen 1 driver (Modbus UDP (Gen1)) for the same device. Learn more about Gen1 and Gen2 Driver Differences.
Name | Value Types | Address Format | Min Address | Max Address | Description |
|---|---|---|---|---|---|
D | bit | DDDDD | 0 | 65535 | Discrete Input Contacts |
C | bit | DDDDD | 0 | 65535 | Discrete Output Coils |
H | uint16, int16, int32, uint32, float32, float64 | DDDDD | 0 | 65535 | Analog Output Holding Registers |
I | uint16, int16, int32, uint32, float32, float64 | DDDDD | 0 | 65535 | Analog Input Registers |
H_bit | bit | DDDDDdd | 0 | 6553515 | Analog Output Holding Registers |
I_bit | bit | DDDDDdd | 0 | 6553515 | Analog Input Registers |