ItpIsEStop
from library version 5.4.15 and
TwinCAT V2.9 B956
 | Outdated version The sole purpose of the function block is to ensure compatibility with existing projects. For new projects please use the function block ItpIsEStopEx. |
Interface
VAR_INPUT
bExecute : BOOL;
nChnId : UDINT;
tTimeOut : TIME;
END_VAR
VAR_OUTPUT
bBusy : BOOL;
bEStop : BOOL;
bErr : BOOL;
nErrId : UDINT;
END_VAR
Description
Via bEStop, the function block ItpIsEStop provides information as to whether an EStop command was triggered. If bEStop is TRUE, then an EStop was initiated (e.g. ItpEStop). The flag does not provide information as to whether the axes have already stopped or are still on the deceleration ramp.
After the execution of ItpStepOnAfterEStop, ItpIsEStop will once again return FALSE.
The ItpIsEStop function block has the following inputs:
Input | Data type | Description |
|---|---|---|
bExecute | BOOL | The command is triggered by a rising edge at this input |
nGrpId | UDINT | Group ID |
tTimeOut | TIME | ADS Timeout-Delay |
Output | Data type | Description |
|---|---|---|
bBusy | BOOL | This output remains TRUE until the function block has executed a command, but at the longest for the duration supplied to the 'Timeout' input. While Busy = TRUE, no new command will be accepted at the inputs. Please note that it is not the execution of the service but its acceptance whose time is monitored. |
bEStop | BOOL | TRUE: EStop command was executed |
bErr | BOOL | This output is switched to TRUE as soon as an error occurs during the execution of a command. The command-specific error code is contained in 'nErrId'. Is reset to FALSE by the execution of a command at the inputs. |
nErrId | UDINT | Contains the command-specific error code of the most recently executed command. Is reset to 0 by the execution of a command at the inputs. The error numbers in ErrId can be looked up in the ADS error documentation or in the NC error documentation (error codes above 0x4000). |
see also:
Requirements
|
Development environment |
Target system type |
PLC libraries to be linked |
|---|---|---|
|
TwinCAT v2.7.0 |
PC (i386) |
not supported |
|
TwinCAT v2.8.0 |
PC (i386) |
TcNci.lib |
|
TwinCAT v2.9.0 |
PC (i386) |
TcNci.lib |