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Table 3: Allocation of the standard parameters
*
The preferred data type should be
Visible String
**
N accepted mode = RCAS
Abbreviations:
Memory
(memory class required)
N
Non-volatile parameter that must be observed in the working
cycle. It does not, however, belong to the static updating
code.
S
Static, non-volatile; on writing the version counter isincreased
ST_REV.
D
(dynamic)
The value is calculated in the block or read from another
block.
Cst
(constant)
The parameter does not change.
Access
r
read only
w
write only
6.2.1.3 Characteristics of the standard parameters
Rel.
Index
Variable
Data type
Memory
Size
Access
1
ST_REV
Unsigned 16
N
2
r, w
2
TAG_DESC
Octet String *
S
32
r, w
3
STRATEGY
Unsigned 16
S
2
r, w
4
ALERT_KEY
Unsigned 8
S
1
r, w
5
TARGET_MODE
Unsigned 8
S
1
r, w
6
MODE_BLK
actual
allowed
normal
DS-37
N **
Cst
Cst
3
r
7
ALARM_SUM
DS-42
D
8
r
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