Configuration and operation
4.5 Telecontrol communication (CP 1542SP-1 IRC)
CP 1542SP-1, CP 1542SP-1 IRC, CP 1543SP-1
68 Operating Instructions, 01/2017, C79000-G8976-C426-03
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
- NON_
SB LOCAL_
FORCED
CARRY OVER_
RANGE
RESTART ONLINE
- Data point
does not
exist or S7
address
unreachable
Substitute
value
(Bit is not
set)
Counted
value over-
flow before
reading the
value
Limit value
of the ana-
log value
prepro-
cessing
overshot /
Value not
yet updated
after start
Value is
valid, CPU
in RUN
1 1
(irrelevant)
1 1 1 1
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
- - - LOCAL_
DISCONTI
OVER_
RESTART ONLINE
- - - Local opera-
tor control
Counted
value over-
flow before
reading the
value
Limit value of
the analog
value prepro-
cessing over-
shot /
Value not
updated after
start
Value is
invalid
(always
1 1 1 1 1