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20 Option description and instructions
Emergency stop, stop category 1 with time monitoring
This time scheme diagram illustrates the operation of the Emergency stop, stop category 1
safety function with time monitoring. This option uses the Safe stop 1 (SS1) function of the
FSO module. For more information, see the FSO module user’s manual.
Case A
: The motor speed goes below the zero speed limit within the user-defined time.
Case B
: The motor speed does not go below the zero speed limit within the user-defined
time.
Time
Motor speed
1
2
6a 7a
E-stop button
(SS1 request)
Drive STO
status
Reset button
B
5a
C
4a
A
Indication lamp
3a
Time
Motor speed
1
2
E-stop button
(SS1 request)
Drive STO
status
Reset button
A
B
4b
C
D
Indication lamp
3b
7b
6b
5b
Summary of Contents for ACS880-17
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Page 7: ...7 Document library on the Internet 57...
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Page 34: ...34 Option description and instructions...
Page 48: ...48 Start up and acceptance test...
Page 56: ...56 Technical data...
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