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3. Fieldbus Integration With Experion System
3.3. Control Mode Interaction
Fieldbus
Mode
IMan
LO
Man
Auto
Cas
RCas
ROut
Normal
Display indications and mode calculation
The fieldbus mode indications for actual mode and composite actual/target modes will
appear in the following formats on Station displays.
Format
a
a (t)
62
Experion PKS Series A Fieldbus Interface Module User's Guide
This is a Read Only parameter and cannot be set as the target mode.
Never set the IMan as the target mode.
This is a Read Only parameter and cannot be set as the target mode.
Never set the LO as the target mode.
When setting as the target mode set the Man bit and reset all the other
bits. Reject the request, if the current mode is OOS and the access level
is not ENGR or higher.
When setting as the target mode set the Auto bit and reset all the other
bits. Reject the request, if the current mode is OOS and the access level
is not ENGR or higher.
When setting as the target mode, set both Cas and Auto bits and reset
all the other bits. Reject the request, if the current target mode is OOS
and the access level is not ENGR or higher.
When setting as the target mode, set both RCas and Auto bits and reset
all the other bits. Reject the request, if the current target mode is OOS
and the access level is not ENGR or higher.
When setting as the target mode, set both ROut and Auto bits and reset
all the other bits. Reject the request, if the current target mode is OOS
and the access level is not ENGR or higher.
When setting as the target mode read the MODE.NORMAL value and
write to the MODE.TARGET. Reject the request, if the current target
mode is OOS and the access level is not ENGR or higher.
Description
Satisfied in mode a;
actual same as target.
In mode a; not satisfied in
higher target mode t.
Honeywell
Rule
Examples
OOS, MAN, AUTO, CAS, RCAS, ROUT
MAN (A), CAS (RC), IM (A), LO (CAS),
AUTO (M), CAS (M)
R400
July 2010
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