Status Ids Of Data Points - Siemens CP 1243-7 LTE Operating Instructions Manual

● Event trigger
The value of the data point is transferred when a configurable trigger signal is fired. As
the trigger signal, the edge change (0 → 1) of a trigger bit is evaluated that is set by the
user program. When necessary, a separate trigger bit can be configured for each data
point.
Resetting the trigger tag in the bit memory area / DB:
If the memory area of the trigger tag is in the bit memory or in a data block, the trigger tag
is reset to zero when the data point value is transferred.
Transmission time of the frame (Transmission mode)
Whether the value of a data point is transferred to the communications partner immediately
after the trigger fires or after a delay depends on the setting of the parameter "Transmission
mode" in the "Trigger" tab of the data point:
● Spontaneous
The value is transferred immediately.
● Conditional spontaneous
The value is transferred only when one of the two following conditions is fulfilled:
– The telecontrol server queries the station.
– The value of another event with the transmission mode "Unsolicited" is transferred.
4.12.5

Status IDs of data points

Status IDs of data points
Along with the value of a data point, status identifiers of the data point are transferred in
every frame. They can be evaluated by the communications partner.
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".
CP 1243-7 LTE
Operating Instructions, 04/2017, C79000-G8976-C381-03
Configuration
4.12 Data point configuration
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