Rockwell Automation PLC-5 Fieldbus Solutions for Integrated Architecture User Manual - Manual (Page 235)

1 Publication 1757-UM006A-EN-P - May 2002
Appendix
C
Mode Change Conditions
Reference
Input Parameters Status
Attributes, Inputs Values and
Resource States Mode Parameter - Target Attribute Value
Out of Service
(OOS) Manual
(MAN) Automatic
(Auto) Cascade
(CAS) Remote
Cascade
(RCAS) Remote
Output
(ROUT)
All input parameters have Good
Status or Uncertain status with
option set to treat Uncertain as
Good. OOS MAN AUTO CAS RCAS ROUT
Remote cascade in has BAD
status or time-out is detected
and the shed option parameter
value is Normal. OOS MAN AUTO CAS Shed to next
permitted or
target mode
(1)
ROUT
Remote cascade in time-out is
detected and the shed option
parameter value is not set to
Normal. OOS MAN AUTO CAS Set target and
actual mode as
specified ROUT
Remote out in has BAD status
or time-out is detected and the
shed option parameter value is
normal. OOS MAN AUTO CAS RCAS Shed to next
permitted or
target mode*
Remote out in time-out is
detected and the shed option
parameter value is not set to
Normal. OOS MAN AUTO CAS RCAS Set target and
actual mode
as specified
Cascade input has a status
attribute of BAD OOS MAN AUTO Shed to next
permitted
mode RCAS ROUT
Target mode is RCAS and
remote cascade in does not
have status of Good -
Initialization Acknowledge; and
actual mode attribute last
execution was not RCAS. N/A N/A N/A N/A Actual mode
from last
execution or
AUTO N/AF
Target mode is ROUT and
remote out in status is not Good
- Initialization Acknowledge;
and actual mode attribute last
execution was not ROUT. N/A N/A N/A N/A N/A Actual mode
from last exe-
cution or MAN