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6. STATUS AND DIAGNOSTIC INFORMATION
6-2
All Rights Reserved. Copyright © 2006, Rota Yokogawa
IM 01R01B02-01E-E 5th edition October 01, 2020-00
Table 6.2 Condensed status
Quality
Sub status EDD
Limits
Value*
NE 107
Priority
GOOD
-
-
0x80
Good (G)
Lowest
GOOD
advisory alarm
Limit-underflow,
Limit-overflow
0x89
0x8A
Good (G)
GOOD
alarm
Limit-ok
0x8C
Good (G)
GOOD
critical alarm
Limit-underflow,
Limit-overflow
0x8D
0x8E
Good (G)
GOOD
maintenance required
*
0xA4...0xA7
Maintenance (M)
GOOD
maintenance demanded
*
0xA8...0xAB
Maintenance (M)
GOOD
function check
*
0xBC…0xBF
Good (G)
GOOD
update event
*
0x84 … 0x87
Good (G)
UNCERTAIN
initial value
constant
0x4F
Failure (F)
UNCERTAIN
process related, no maintenance
*
0x78...0x7B
Out of specification (S)
UNCERTAIN
maintenance demanded
*
0x68...0x6B
Maintenance (M)
UNCERTAIN
substitute set
constant
0x4B
Failure (F)
BAD
process related, no maintenance
*
0x28...0x2B
Failure (F)
BAD
maintenance alarm, more diagnosis
available
*
0x24…0x27
Failure (F)
UNCERTAIN
simulated value, start
-
0x73
Check (C)
UNCERTAIN
simulated value, end
*
0x74 …0x77
Check (C)
BAD
function check/local override
*
0x3C...0x3F
Check (C)
BAD
passivated (diagnostic alerts inhibited) -
0x23
Failure (F)
highest
* Limits status information as defined in table 6.3 cause value ranges
Table 6.3 Limits indication in EDD
Limits indication in EDD
Additive value
Value-ok
Limit-ok
no limit
ok
+0x00
Limit underflow
Limit-underflow
+0x01
Limit overflow
Limit-overflow
+0x02
Value constant
Limit-Value constant
constant
+0x03
Table 6.4 Condensed Status configuration
Label
Low nibble
(Diag_Status_Link)
GOOD, ok
0
GOOD, maintenance required
1
GOOD, maintenance demanded
2
UNCERTAIN, maintenance demanded
3
BAD, maintenance demanded
4
UNCERTAIN, process related, no maintenance
5
BAD, process related, no maintenance
6
BAD, function check /local overrride
7
GOOD, function check
8