Siemens CP-8021

System Components and Technical Data
SICAM A8000 / CP-8000 • CP-8021 • CP-8022 Manual Unrestricted 135
DC8-037-2.02, Edition 10.2017
5.5.13 SMST0
5.5.13.1 Functions
Printer logging (ASCII) and SMS alert/control.
• Printer logging
─ Logging on a serial printer (ASCII)
• SMS-alert
─ Send binary information with SMS
− Aquisition time in SMS text
─ Send command with SMS
─ Member adminstration
─ Modem control with AT-Hayes commands
• SMS control
─ Receive command with SMS
− Command delay supervision for SMS commands
─ Member administration
─ Modem control with AT-Hayes commands
Note
The previously mentioned functions are described in detail in the document SICAM RTUs ▪ Ax 1703
Common Functions Printer Logging (ASCII) and SMS Alarms.
5.5.13.2 Operating Modes
Operating mode Interface →
optional DTE
Interface signals
Unbalanced interchange circuit
(V.24/V.28) RS-232 asynchronous
X2→ modem
(GSM)
RXD, TXD, CTS
1)
, RTS, DCD, DTR,
DSR/VCC, GND
Unbalanced interchange circuit
(V.24/V.28) RS-232 asynchronous
X6
3)
→ modem
(GSM)
RXD, TXD, CTS, RTS, DCD, DTR,
DSR, GND
*)
only CP-8022 (RS-232 mode)