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Safety functions 179
SMS function, version 2
The operation of the SMS function, version 2 is described in the time diagram and
table below. For configuration, see section
How to configure SMS, version 2
on
page
The drive limits the motor speed so that it stays between the SMS limit positive and
negative. If the motor speed still hits the SMS trip limit positive or negative, the FSO
module activates the SSE function (see section
on
page
for more information on how to configure the SSE function).
If you use the SMS function, version 2 and you need to remove the FSO module from
the drive, do these steps:
1. Re-configure the FSO module so that the SMS function, version 2 is deactivated
Disabled
). For more
.
2. Remove the FSO module from the drive.
This removes the SMS limits from the drive. Unnecessary limits can affect the normal
operation of the drive.
A
SMS trip limit positive (parameter
B
SMS trip limit negative (parameter
)
C
SMS limit positive (parameter
D
SMS limit negative (parameter
)
SMS trip limits (A and B)
B
A
C
D
Motor speed
Time
Summary of Contents for FSO-21
Page 1: ... OPTIONS FOR ABB DRIVES FSO 21 safety functions module User s manual ...
Page 4: ......
Page 16: ...16 Safety instructions ...
Page 34: ...34 Safety information and considerations ...
Page 52: ...52 Overview ...
Page 236: ...236 PROFIsafe ...
Page 265: ...PROFIsafe 265 2 Select your CPU from the list 3 Install the FENA 21 GSDML file ...
Page 275: ...PROFIsafe 275 20 In ABB_Drive FB add blocks DPRD_DAT and DPWR_DAT 21 Insert values to blocks ...
Page 282: ...282 PROFIsafe 5 To read the diagnostic messages select the I O Device Diagnostics tab ...
Page 286: ...286 PROFIsafe ...
Page 304: ...304 Installation ...
Page 400: ...400 Configuration ...
Page 488: ...488 Verification and validation ...
Page 506: ...506 Fault tracing ...
Page 514: ...514 Maintenance ...
Page 536: ...536 Technical data ...