Operational Protection Off (Opo); Response For Positioner Control Function - Siemens SIMOCODE pro System Manual

Standard functions
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:
OPO
Positioner
is open
Parameterized Fault
response Reset:
"Positioner With close
closes" command
Positioner
closes
Parameterized -
"Positioner
opens"
response
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
10-12
Initial position when OPO is pending
Positioner Positioner
opens stop/OFF
Reaction to OPO
Fault Fault
Reset: Reset:
With close With close
command command
Positioner Positioner
closes closes
- Fault
Reset:
With open
command
Positioner Positioner
opens opens
Operational Protection OFF
(OPO)
Input
Positioner response
Type
Positioner Positioner
closes is closed
- -
Positioner
closes
Fault Fault
Reset: Reset:
With open With open
command command
Positioner Positioner
opens opens
Status -
Operational protection OFF (OPO)
Trip -
Operational protection OFF (OPO)
SIMOCODE pro
GWA 4NEB 631 6050-22 DS 03