6 Functional Descriptions
Thesafetymoduletype1fullsthefollowingfunctionsaccordingtoIEC61800-5-2:
• Safe torque off (Safe Torque Off - STO)
• Safe brake control (Safe Brake Control – SBC)
6.1 Status of the safety module
The status of the safety module can be read out with parameter sb29 „safety mod. status word“ of the
COMBIVERT. The parameter is bit-coded in accordance with the following table:
Bit Condition Meaning, if bit is set (=1)
0 Status Error in safety module
1 Status Modulation released
2 Status Brake A released
3 Warning Brake-voltage supply too low
4 Warning Brake-voltage supply too high
5 Status Brake A High-Side-switch on
6 Status Low-Side-switch on
7 Error Brake A current too high
8 Warning Brake A not connected or current measurement deactivated
9 Error Brake A High-Side-switch high-resistance
10 Error Brake A High-Side-switch short circuited
11 Error Low-Side-switch high-resistance
12 Error Low-Side-switch short-circuited
13 Status VTRO on
14 Status VTRU on
15 Warning 5V reference too low
16 Status Brake A brake release requested by the control
17 Error Error base load resistor VTRO
18 Error Error base load resistor VTRU
19 Status Brake B released
20 Status Brake B High-Side-switch on
21 Error Brake B current too high
22 Warning Brake B not connected or current measurement deactivated
23 Error Brake B High-Side-switch high-resistance
24 Error Brake B High-Side-switch short-circuited
25 Status Brake B brake release requested by the control
Table 11: Status of the safety module
25
FUNCTIONAL DESCRIPTIONS
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