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Siemens SIMATIC NET TeleControl S7-1200 CP 1243-1 User Manual

Siemens SIMATIC NET TeleControl S7-1200 CP 1243-1
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Configuration
4.9 Data points
CP 1243-1
Operating Instructions, 12/2016, C79000-G8976-C365-02
73
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
For the meaning of the status bits, see below. The entries in the table row "Meaning" relate
to the entry in the table row "Bit status".
Table 4- 2 Bit assignment of status byte 0
Bit
7
6
5
4
3
2
1
0
Flag name
- NON_
EXISTENT
SB LOCAL_
FORCED
CARRY OVER_
RANGE
RESTART ONLINE
Meaning
- 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 /
undershot
Value not
updated
after start
Value is
valid, CPU
in RUN
Bit status
(always
0)
1 1
(irrelevant)
1 1 1 1
Generation of events if a data point status changes
With data points that were configured as an event, the change to the status bit of the status
identifiers described below also leads to an event being generated.
Example: If the value of the status "RESTART" of a data point configured as an event
changes form 1 (value not yet updated) to 0 (value updated) when the station starts up, this
causes an event to be generated.
4.9.5
Data point index
Configuration of the data point index
Within a CP, the indexes of the data point classes must comply with the following rules:
Input
The index of a data point of the type input must be unique throughout all data point types
(digital inputs, analog inputs etc.).

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Siemens SIMATIC NET TeleControl S7-1200 CP 1243-1 Specifications

General IconGeneral
Compatible ControllersS7-1200
InterfaceEthernet
Power Supply24 V DC
Number of Possible Connections8
Mounting TypeDIN rail
Weight200 g
Data Transfer Rate10/100 Mbps
ProtocolsTCP/IP, UDP, DNP3, IEC 60870-5-104
Supply Voltage20.4 ... 28.8 V DC
Current Consumption100 mA
Operating Temperature-20 ... +60 °C

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