Siemens ET 200SP Operating Instructions Manual page 68

Configuration and operation
4.5 Telecontrol communication (CP 1542SP-1 IRC)
Status IDs - TeleControl Basic
The status bits are converted to the OPC quality code as follows by TCSB.
● Quality = BAD, If:
NON_EXISTENT or OVER_RANGE = 1
● Quality = UNCERTAIN, If:
RESTART or CARRY or SB = 1
● Quality = GOOD, If:
Bits 1, 2, 3, 5 and 6 = 0
Table 4- 4 Bit assignment of status byte 0
Bit 7
Flag name - NON_
EXISTENT
Meaning - Data point
does not
exist or S7
address
unreachable
(always
Bit status
0)
Status IDs - TeleControl Basic
The status IDs can be evaluated by the master. They correspond to the following elements
of the specification:
OBJECT FLAGS - DNP3 Specification, Volume 6, Data Object Library - Part 1
Table 4- 5 Bit assignment of the status byte
Bit 7
Flag name -
Meaning -
(always
Bit status
0)
68
6 5
SB
Substitute
value
1 1
6 5
- - LOCAL_
FORCED
- - Local opera-
tor control
(always (always
0) 0)
4 3
LOCAL_ CARRY
FORCED
(Bit is not
Counted
set)
value over-
flow before
reading the
value
(irrelevant)
1
4 3
DISCONTI OVER_
NUITY RANGE
Counted Limit value of
value over- the analog
flow before value prepro-
reading the cessing over-
value shot /
undershot
1 1
Operating Instructions, 01/2017, C79000-G8976-C426-03
2 1
OVER_ RESTART
RANGE
Limit value Value not
of the ana- yet updated
log value after start
prepro-
cessing
overshot /
undershot
1 1
2 1
RESTART
Value not
updated after
start
1 1
CP 1542SP-1, CP 1542SP-1 IRC, CP 1543SP-1
0
ONLINE
Value is
valid, CPU
in RUN
1
0
ONLINE
Value is
invalid
1