Siemens SINUMERIK 840Di Function Manual page 1343

Error identifiers
State
10
11
Note
The block must be called by the user program. The user must provide an instance DB with
any number for this purpose. The call is multi-instance-capable.
Example of FB11 call:
UN
=
OPEN
O
O
FP
UN
S
S
L
T
U
U
FP
R
S
R
S
U
U
FP
R
S
CALL FB 11, DB 211 (//Brake test block
PLC Basic Program Solution Line (P3 sl)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Meaning
Internal error
"PLC monitoring axis" signal not activated by the user program
M 111.1; //Request to close brake, Z axis of FB
Q 85.0; //Brake control, Z axis
"Axis3"; //Brake test, Z axis
I 73.0; //Brake test trigger, Z axis
M 110.7; //Brake test running
M 110.0;
M 111.4; //Error has occurred
M 110.7; //Brake test running
M 110.6; //Next step
B#16#10
DBB 8; //Request neutral axis
DBX 68.6; //Checkback signal, axis is neutral
M 110.6;
M 110.1;
M 110.6;
M 110.5; //Next step
DBX 8.4;
DBX 28.7; //Request PLC-monitored axis
DBX 63.1; //Checkback signal, axis monitored by PLC
M 110.5;
M 110.2;
M 110.5;
M 111.0; //Start brake test for FB
Start :=M
Ack := I
Bclosed := I
111.0, //Start brake test
3.7, //Acknowledge error with Reset key
54.0, //Checkback signal, brake close
controlled
Detailed Description
2.12 Block descriptions
2-149