Start » Filter Reference » System » Modbus TCP » ModbusTCP_ReadCoils
Basic| Module: | FoundationLite |
|---|
Function Code 01. Reads contiguous status of coils in a remote device
| Name | Type | Range | Description | |
|---|---|---|---|---|
 |
inSocket | SocketId | Connected socket ID on port 502. | |
|
inTimeout | Integer* | 10 -  |
Timeout in milliseconds, block if not specified. |
|
inUnitID | Integer | 0 - 255 | Unit identifier. |
|
inStartingAddress | Integer | 0 - 65535 | The address of the first coil. |
|
inBitCount | Integer | 1 - 2000 | Requested number of bits. |
 |
outBits | BoolArray | Response. | |
Remarks
User manual
For more informations about using this filters please follow the link: Communication with Modbus TCP devices.
Complexity Level
This filter is available on Basic Complexity Level.
Disabled in Lite Edition
This filter is disabled in Lite Edition. It is available only in full, Aurora Vision Studio Professional version.
Filter Group
This filter is member of ModbusTCP_Read filter group.
See Also
- ModbusTCP_WriteCoil – Function Code 05. Writes a single output to either ON or OFF in a remote device
- ModbusTCP_ForceMultipleCoils – Function Code 15. Forces each coil in a sequence of coils to either ON or OFF in a remote device