FVP 110 Fieldbus Valve Positioner Manual
164
GE Energy
Initialization and Manual Fallback (IMan)
Initialization and manual fallback denotes a set of abnormality handling actions in which a
PID block changes mode to IMan (initialization manual) and suspends the control action.
Initialization and manual fallback takes place only when the following condition is met:
❑ The quality component of BKCAL_IN.status (data status of BKCAL_IN) is Bad.
OR
❑ The quality component of BKCAL_IN.status is Good (c)
AND
❑ The sub-status component of BKCAL_IN.status is FSA, LO, NI, or IR.
Manual Fallback
Manual fallback denotes an abnormality handling action in which a PID block changes
mode to Man (manual) and suspends the control action.
The manual fallback action is enabled to take place if the Target to Manual if BAD IN
option in STATUS_OPTS is set as true, and it takes place when the following condition is
met:
❑ IN.status (data status of IN) is Bad except when the control action bypass is on.
12
Obey SP limits if Cas or RCas Puts the setpoint high/low limits in force in the Cas or RCas
mode.
13 No OUT limits in Manual Disables the high/low limits for OUT in the Man mode.
Table 49 CONTROL_OPTS of PID Block (Continued)
Bit Options in CONTROL_OPTS Description
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