ABB ACS880-17, Руководство пользователя

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Option description and instructions 25
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 a safety encoder is used. This option uses the Safe
stop 1 (SS1) function of the FSO-21 module. For more information, see
FSO-21 safety
functions module user’s manual (3AXD50000015614 [English]).
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
SS1.14
Time
Motor speed
1 2
E-stop button
(SS1 request)
Drive STO
status
Reset button
A
B
5b
C
Indication lamp
3b
7b 6b
SS1.14
4b