IOF_GetDeviceNetId
Some I/O devices can be assigned a TwinCAT network address during the configuration in the TwinCAT system (e.g. FC310x Profibus card or CP9030 card). The network address can then be used to execute firmware functions on the device. The IOF_GetDeviceNetId function block determines the network address knowing the device ID. The device IDs are defined by the TwinCAT system during configuration and cannot be configured by the user.
Inputs
VAR_INPUT
NETID : T_AmsNetId;
DEVICEID : UDINT;
START : BOOL;
TMOUT : TIME := DEFAULT_ADS_TIMEOUT;
END_VAR
Name | Type | Description |
---|---|---|
NETID | T_AmsNetId | The network address of the TwinCAT computer on which the ADS command is to be executed can be specified here. For the local computer an empty string may be specified. |
DEVICEID | UDINT | DeviceId specifies the I/O device on which the function is to be executed. The device IDs are specified by the TwinCAT system during the hardware configuration. |
START | BOOL | The function block is enabled by a positive edge at this input. |
TMOUT | TIME | Specifies the time-out period that must not be exceeded when the command is executed. |
Outputs
VAR_OUTPUT
BUSY : BOOL;
ERR : BOOL;
ERRID : UDINT;
DeviceNetId : T_AmsNetId;
END_VAR
Name | Type | Description |
---|---|---|
BUSY | BOOL | When the function block is enabled, this output is set and remains set until a feedback is received. |
ERR | BOOL | If an error should occur during the transfer of the command, then this output is set once the BUSY output was reset. |
ERRID | UDINT | Returns the ADS error number when the ERR output is set. |
DeviceNetId | T_AmsNetID | The network address of an I/O device as a string. |
Requirements
Development environment | Target platform | IO hardware | PLC libraries to be integrated (category group) |
---|---|---|---|
TwinCAT v3.1.0 | PC or CX (x86, x64, ARM) | All IO devices | Tc2_IoFunctions (IO) |