Honeywell Series A User Manual page 508

13. Appendix D
13.1. Mode Change Conditions
Input Parameters
Status Attributes,
Inputs Values and
Resource States
Target mode is CAS
and cascade input
status is not Good -
Initialization
Acknowledge and
actual mode attribute
last execution was not
CAS
Status attribute of
primary input
parameter is BAD or
Uncertain with option
to treat Uncertain as
BAD and bypass not
set
Status attribute of
back calculation input
parameter is BAD
Status attribute of
back calculation input
parameter Good - fault
state active, local
override, not invited, or
initialization request
Tracking is enabled,
track input active and
track override manual
is Enabled.
Tracking is enabled,
initiated and track
override manual is
Disabled.
Fault State is active in
an output function
block
If target mode has
changed from OOS to
another mode since
the block was last
executed.
508 Experion PKS Series A Fieldbus Interface Module User's Guide
Mode Parameter - Target Attribute Value
Out of Manual
Service (MAN)
(OOS) (Auto)
N/A N/A N/A
OOS MAN MAN
OOS IMAN IMAN
OOS IMAN IMAN
OOS LO LO
OOS MAN LO
OOS LO LO
- MAN or MAN or
evaluate evaluated
d mode mode
Honeywell
Auto- Cascade Remote
matic (CAS) Cascade
(RCAS)
Actual N/A
mode
from last
execution
or AUTO
or MAN
MAN MAN
IMAN IMAN
IMAN IMAN
LO LO
LO LO
LO LO
MAN or MAN or
evaluated evaluate
mode d mode
Remote
Output
(ROUT)
N/A
ROUT
IMAN
IMAN
LO
LO
LO
MAN or
evaluate
d mode
R400
July 2010