Detailed Description
2.12 Block descriptions
PLC Basic Program Solution Line (P3 sl)
2-148 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Description of formal parameters
The following table lists all of the formal parameters of the brake test function:
Formal parameters of brake test function
Signal Type Type Remarks
Start I BOOL Start brake test
Ack I BOOL Acknowledge error
Bclosed I BOOL Checkback input whether Close Brake is activated
(single-channel - PLC)
Axis I INT Axis number of axis to be tested
TimerNo I TIMER Timer from user program
TV_BTactiv I S5TIME Monitoring time value -> brake test active, check of axis
signal DBX71.0
TV_Bclose I S5TIME Monitoring time value -> close brake Check of input
signal Bclosed after output CloseBrake has been set.
TV_FeedCommand I S5TIME Monitoring time value -> issue travel command Check
travel command after MoveAxis has been set.
TV_FXSreched I S5TIME Monitoring time value -> fixed stop reached
TV_FXShold I S5TIME Monitoring time value -> test brake
CloseBrake Q BOOL Request for close brake
MoveAxis Q BOOL Request to initiate travel movement
Done Q BOOL Test successfully completed
Error Q BOOL Error occurred.
State Q BYTE ErrorStatus
Error identifiers
Error identifiers
State Meaning
0 No fault
1 Start conditions not fulfilled, e.g., axis not under closed-loop control/brake closed/axis
disabled
2 No NC checkback in "Brake test active" signal on selection of brake test
3 No "Brake applied" checkback by input signal Bclosed
4 No travel command output (e.g., axis motion has not been started)
5 Fixed end stop will not be reached -> axis reset was initiated
6 Traversing inhibit/approach too slow -> fixed end stop cannot be reached. TV
FXSreached monitoring timeout
7 Brake is not holding at all (end position is reached)/approach velocity too high
8 Brake opens during the holding period
9 Error in brake test deselection
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