System Components and Technical Data
126
Unrestricted
SICAM A8000 / CP-8000 • CP-8021 • CP-8022 Manual
DC8-037-2.02, Edition 10.2017
5.5.9 DNPMT0,
DNPST0
5.5.9.1 Functions
Communication between one central station and one or several substations.
•
Unbalanced multi-point traffic according to DNP3
DNPMT0 is central station, DNPST0 is substation
─
Data acquisition by polling (station interrogation, register interrogation)
─
Acquisition of events (transmission of data ready to be sent, unsolicited responses)
─
General interrogation, outstation interrogation
─
Command transmission
─
Transmission of integrated totals
•
Max. connections (number of supported DNP Slaves): 100
*)
•
Physical interface
─
RS-232 – unbalanced interface according to V.24/V.28
─
RS-485 – balanced interface according to V.11
•
Supported functionality according to the following document:
─
SICAM RTUs DNP3 Interoperability
(DC0-046-2)
•
Optimized parameters for selected transmission facilities
•
Functions for supporting redundant communication routes
•
Special functions
______
*)
because of performance, required response time and limited storage capacity max. 20
Note
The previously mentioned functions are described in detail in the document
SICAM RTUs
▪
Ax 1703
Common Functions DNP3
.
5.5.9.2 Operating Modes
Operating mode
Interface
→
optional DTE
Interface signals
Unbalanced interchange circuit
(V.24/V.28) RS-232 asynchronous
X2
RXD, TXD, CTS
1)
, RTS, DCD, DTR,
DSR/VCC, GND
Balanced interface (V.11) RS-485 (2-wire)/
RS-422 (4-wire) asynchronous
X3
TXD+/RXD+, TXD-/RXD- (2-wire)
TXD+, TXD-, RXD+, RXD- (4-wire)
Balanced interface (V.11) RS-485 (2-wire)/
RS-422 (4-wire) asynchronous
X2
→
CM-0829
(CM-0819
2)
)
RXD, TXD, CTS, RTS, DCD, DTR,
DSR/VCC, GND (to CM-08x9)
Optical interface (multimode fibre optic)
ring
X2
→
CM-0821
RXD, TXD, CTS, RTS, DCD, DTR,
DSR/VCC, GND (to CM-0821)
Unbalanced interchange circuit
(V.24/V.28) RS-232 asynchronous
X6
3)
RXD, TXD, CTS, RTS, DCD, DTR,
DSR, GND
Balanced interface (V.11) RS-485 (2-wire)/
RS-422 (4-wire) asynchronous
X6
3)
TXD+/RXD+, TXD-/RXD- (2-wire)
TXD+, TXD-, RXD+, RXD- (4-wire)
1)
not usable (reserved for SICAM TOOLBOX II)
2)
RS-422 not supported
3)
only CP-8022 (switchable mode via parameter)
Содержание CP-8000
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