EMA90 - USER MANUAL
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8.4.5) MODEM CONNECTION
To make the remote connection it needs to program the remote modem (connected to the EMA
network). To program this modem the user has to use any communication program like
HyperTerminal. The Hayes commands to program a standard modem are the following:
AT&D0&S0&C0&R1
ATS0=2
ATX3
AT&W0Y0
The meaning of the commands is the following (AT is the command prefix):
• &D0: ignore DTR.
• &S0: ignore DSR.
• &C0: ignore CD.
• &R1: ignore RTS.
• S0=2: set at two as the ring number after the which the modem automatically reply (the number can
be different by 2, but it must be different by 0).
• &W0: store the configuration in the register 0 of the modem’s not volatile memory.
• Y0: set the configuration stored in the register 0 of the modem’s not volatile memory as the default
configuration at the starting or the reset of modem.
See the modem’s user manual.
ELECTRICAL MULTIFUNCTION ANAL YZE R RECORDE R
SELECT
P. UP
ENT ER
P. D OW N
SELECT
ELE CTRICAL MULTIFUNCTI ON ANALYZER RECORDER
SELECT P. UP E NTE RP. D OWNSELECT
ELE CTRICAL
MULTIFUNCTION A
NALYZER RECORDER
SELECT P. UP E NTE RP. D OWNSELECT
ELE CTRICAL
MULTIFUNCTION A
NALYZER RECORDER
SELECT P. UP E NTE RP. D OWNSELECT
ELE CTRICAL MULTIFUNCTI ON ANALYZER RECORDER
SELECT P. UP E NTE RP. D OWNSELECT
It’s possible to manage the supervisioning of energy
consumption through remote structures as modem
application in order to cover big distances.
Receive Data
Transmit Data
Signal GrouND
RS232 RS485
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