Standard functions
SIMOCODE pro
10-12 GWA 4NEB 631 6050-22 DS 03
10.5 Operational protection OFF (OPO)
10.5.1 Response for positioner control function
Description
The "Operational Protection OFF (OPO)" function block returns the positioner
to a safe position. In order to do this, the input (plug) must be connected to
the respective socket (e.g. device inputs, control bits from
PROFIBUS DP,
etc.)
.
The "Operational Protection OFF" function block consists of:
• One plug
• One "Status - OPO" socket. This is set when a signal is pending at the input.
• One "Trip - OPO fault" socket. This is set when the respective, safe end
position has been reached.
Overall, there is one Operational Protection OFF (OPO)" function block
available
for BU2.
The following table shows the general functionality:
Table 10-8: General functionality of Operational protection OFF(OPO) for the "Positioner" control
function
Schematic
The following schematic shows the "Operational Protection OFF (OPO)"
function block:
Fig. 10-5: "Operational Protection OFF (OPO)" function block
OPO Initial position when OPO is pending
Positioner
is open
Positioner
opens
Positioner
stop/OFF
Positioner
closes
Positioner
is closed
Reaction to OPO
Parameterized
response
"Positioner
closes"
Fault
Reset:
With close
command
Positioner
closes
Fault
Reset:
With close
command
Positioner
closes
Fault
Reset:
With close
command
Positioner
closes
-
Positioner
closes
-
Parameterized
"Positioner
opens"
response
--
Positioner
opens
Fault
Reset:
With open
command
Positioner
opens
Fault
Reset:
With open
command
Positioner
opens
Fault
Reset:
With open
command
Positioner
opens
Input
Trip -
Operational protection OFF (OPO)
Status -
Operational Protection OFF
Positioner response
Type
Operational protection OFF (OPO)
(OPO)
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