4 Communication and bus systems
Manual ERZ 2000-NG · EN07 · 2019, May 13th
165
stopped
Emergency Off status if control of the modem status machine
is lost. This ensures that a potentially open telephone connec-
tion is disconnected and no further telephone activity takes
place until the restart of the ERZ2000-NG.
Initialization
The modem initialization string
IE06
is sent. Then, a reaction
is expected from the modem.
Waiting for
modem
After initialization, the reaction of the modem is awaited. If it is
positive, the modem is ready. If the reaction is negative or
there is no reaction, the initialization is repeated. If there is
still no reaction, with DSfG-DFÜ activated (
IE01
്
"Off") mes-
sage H48-1 Def.modem is sent or switched off.
Acknowledgment Intermediate step: recognized syntactically correct acknowl-
edgment from modem.
Modem ready
The initialization was successful. It reacts to incoming calls
and edits triggers for outgoing calls.
PTB Time service The trigger for handling the PTB time service is edited. The
following messages are possible:
-
M52-2 Call modem carrier signal coming
-
M52-3 PTB time PTB telephone time service
Time recognized coming
(when PTB time service was recognized)
Old time, new time
(when time adjustment was necessary) Messages carry
the time stamp before or after successful adjustment.
-
M52-3 PTB time PTB telephone time service time recog-
nized going
-
M52-2 Call modem carrier signal going
Recognition
The query of bus recognition
IE04
is expected.
This is Phase 1 of the login procedure.
Identification
Identification of the
IE05
is expected.
This is Phase 2 of the login procedure.
Commands
The
IE05
identification is successful.
Commands are expected.
This is Phase 3 of the login procedure.
Connected
The command for transparent connection was recognized.
The connection between remote center and local DSfG bus
has been established.
This is Phase 4 of the login procedure.
Hang up
The telephone connection is disconnected.
ERZ2000-NG wiring to modem. All 9 wires must be connected 1:1. All other variants
are unsuitable.
Summary of Contents for ERZ2000-NG
Page 10: ......
Page 68: ...2 Introduction Manual ERZ 2000 NG EN07 2019 May 13th 58 Figure 44 Menu LA Overview...
Page 69: ...2 Introduction Manual ERZ 2000 NG EN07 2019 May 13th 59 Figure 45 Menu LB Totalizer BM1...
Page 77: ...2 Introduction Manual ERZ 2000 NG EN07 2019 May 13th 67 Figure 51 Overview System sub menu...
Page 241: ...6 Flow meters Manual ERZ 2000 NG EN07 2019 May 13th 231 Figure 167 Interface module C34...
Page 340: ...8 Overview Coordinates Manual ERZ 2000 NG EN07 2019 May 13th 330 8 5 6 TSV export...
Page 453: ...Certificates Manual ERZ 2000 NG EN07 2019 May 13th 443...