ABB FPTC-01, User Manual

Page: 59 / 108

58 Parameter settings

Parameters related to the STO function
These parameters are related to the STO function of the FSO
module. With stop category 0, the FSO module activates the STO
function in overtemperature situations. In addition, the FSO
module can activate the STO function in fault situations.
Index Name Example
value Description
STO.02 STO
acknowledge
ment
Automatic
1)
Sets the acknowledgement method
used in the STO, SSE and SS1
functions.
Automatic : The FSO module resets
the STO function automatically after
the STO request have been
removed.
Manual : The FSO module reads the
external acknowledgement signal
through the digital input defined by
parameter
FSOGEN.42 .
STO.11 STO input A None Sets the digital input that is
connected to the primary input of the
STO function.
In this example, this parameter has
value
None .
Note : The default value after factory
reset is DI X113:1 & X114:1 . Always
check this parameter after factory
reset.
STO.12 STO input B DI X113:4
& X114:4 Sets the digital input that is
connected to the secondary input of
the STO function.
Note : The default value after factory
reset is None . Always check this
parameter after factory reset.
Note : In a non-redundant system,
( Wiring example 5 on page 49 ), you
can use a one-channel input (for
example,
DI X113:4 ).