DVC6200f Digital Valve Controller
November 2010
134
START
SELECT_TYPE
Middle?
Yes
No
SELECT_TYPE
Maximum?
SELECT_TYPE
Minimum?
More than 1
input?
Yes
All inputs with
same limit
status?
Yes
Propagate that
limit status
Input a
constant?
Propagate
Not Limited
No
Propagate
Constant
No
Yes
No
Yes
No
Input a
constant?
Propagate
Low Limit
Propagate
High Limit
Input a
constant?
Yes
SELECT_TYPE
First Good or Hot
Spare?
No
No
No
SELECT_TYPE
Average?
All inputs with
same limit
status?
Propagate
Not Limited
Yes
Yes
No
No
1
1
NOTES:
LIMIT MANIPULATION FOR A CONSTANT INPUT FOR MAXIMUM AND MINIMUM IS BASED UPON THE FOUNDATION FIELDBUS SPECIFICATION.
THE REASONING IS BASED ON HIGH SELECT PROVIDING A LOW LIMIT STATUS AND LOW SELECT PROVIDING A HIGH LIMIT STATUS.
1
Yes
Yes
Propagate
selected input
limit status
OP_SELECT
equal to zero?
Yes
No
Propagate
selected input
limit status
No
Yes
Illegal Select Type
should never be reached
Figure 4-13. Input Selector Block Limit Propagation
4
Содержание FIELDVUE DVC6200f
Страница 42: ...DVC6200f Digital Valve Controller November 2010 30 4 ...
Страница 60: ...DVC6200f Digital Valve Controller November 2010 48 4 ...
Страница 108: ...DVC6200f Digital Valve Controller November 2010 96 4 ...
Страница 122: ...DVC6200f Digital Valve Controller November 2010 110 4 ...
Страница 188: ...DVC6200f Digital Valve Controller November 2010 176 4 ...
Страница 200: ...DVC6200f Digital Valve Controller November 2010 188 4 ...
Страница 216: ...DVC6200f Digital Valve Controller November 2010 204 5 ...
Страница 250: ...DVC6200f Digital Valve Controller November 2010 238 8 ...
Страница 251: ...Principle of Operation November 2010 239 A A Appendix A Principle of Operation Digital Valve Controller Operation 240 A ...
Страница 254: ...DVC6200f Digital Valve Controller November 2010 242 A ...
Страница 284: ...DVC6200f Digital Valve Controller November 2010 272 D ...
Страница 290: ...DVC6200f Digital Valve Controller November 2010 278 E ...
Страница 308: ...DVC6200f Digital Valve Controller November 2010 296 F ...
Страница 312: ...DVC6200f Digital Valve Controller September 2010 300 Notes G Glossary ...
Страница 324: ...DVC6200f Digital Valve Controller November 2010 312 F Index ...
Страница 325: ...This page intentionally left blank ...