Siemens SINUMERIK 840D sl Function Manual page 1156

Detailed description
2.12 Block descriptions
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
Start
Ack
Bclosed
Axis
TimerNo
TV_BTactiv
TV_Bclose
TV_FeedCommand I
TV_FXSreched
TV_FXShold
CloseBrake
MoveAxis
Done
Error
State
172
I/O Type Remark
I BOOL Start brake test
I BOOL Acknowledge error
I BOOL Checkback input whether Close Brake is activated
(singlechannel - PLC)
I INT Axis number of axis to be tested
I TIMER Timer from user program
I S5TIME Monitoring time value -> brake test active, check of axis
signal DBX71.0
I S5TIME Monitoring time value -> close brake Check of input
signal Bclosed after output CloseBrake has been set.
S5TIME Monitoring time value -> issue travel command Check
travel command after MoveAxis has been set.
I S5TIME Monitoring time value -> fixed stop reached
I S5TIME Monitoring time value -> test brake
Q BOOL Request, close brake
Q BOOL Request, initiate traversing motion
Q BOOL Test successfully completed
Q BOOL Error occurred.
Q BYTE Error status
Basic logic functions: PLC Basic program powerline (P3 pl)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0