Messages In Input Direction: Siprotec Device To The Profibus Dp Master; Indications; Measured Values - Siemens SIPROTEC Manual

Bay control unit, communication module, profibus dp bus mapping
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2.3
Messages in input direction:
SIPROTEC device to the PROFIBUS DP master
2.3.1

Indications

2.3.2

Measured values

Scaling
SIPROTEC PROFIBUS DP - Bus mapping 6MD662/3/4
C53000-L1840-B011-03
The messages in PROFIBUS DP input direction (ref. to chap. 3.2, 4.2 and 5.2) allow:
• Interrogation of switchgear status and binary inputs,
• Transmission of indications, measured values and counters (metering values)
to the PROFIBUS DP master.
Note:
• The allocation of the input channels to the binary inputs is defined during parame-
terization of the devices.
• Depending on the device composition and version (ordering code) not all of the indi-
cated binary inputs or indications (and corresponding PROFIBUS DP message
positions) may be available in the SIPROTEC device.
Note:
• Depending on the device composition, the version (ordering code) and the selected
transducer modules not all of the indicated analog inputs (and corresponding
PROFIBUS DP message positions) may be available in the SIPROTEC device.
The following must be entered when applying the settings for a measured value in
DIGSI:
• Dimension, Conversion factor and the Number of decimal places after
the decimal point in the dialog window Measured value description for con-
version of the measured value to a primary value,
• Additionally: Type, Scaling factor and Zero offset are determined by
selection of the Scaling index if the measured value is transmitted as "Destina-
tion system interface" (for a description of the routing and allocation to the system
interface refer to "SIPROTEC Communication module, PROFIBUS DP - Communi-
cation profile").
Measured values are transmitted via PROFIBUS DP as 16-bit integer values
(range: +/- 32767).
The selection of Type determines whether the measured value is transmitted as
primary, secondary or percentage value via PROFIBUS DP.
When transmitted as primary value, the Conversion factor indicated in the
Measured value description is used to calculate the primary value.
Data of the PROFIBUS DP messages
43

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