Hanna Instruments HI 504903 - Manual (Page 4)

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MAIN FEATURES
Here below are listed the main features of the HI504903
interface:
• GSM phone inside for Short Messaging Service (SMS) send-
ing.
• Possibility of a wireless remote interface configuration or
connection to a computer workstation (equipped with a
modem) through the cellular phone inside.
• RS232 auxiliary port (PC config) for configuration or con-
nection purpose with a local computer connected through
HI920010 cable.
• RS485 port, allowing connection of up to 31 HI142 tem-
perature dataloggers on the same wire.
• Digital input port (typically connected to an alarm relay) to
acquire information from “non-intelligent” instruments.
• Digital output port, for which it is possible to change the
status (open/closed) through an appropriate SMS sent to
the interface.
• SMS enabling/disabling option through a dedicated port.
• LED indicators: two red LED’s are provided for signaling
error conditions or active alarms in the devices connected
to the interface through RS485 port or digital input, de-
pending on interface configuration; one green LED and
one red LED are provided to give indication about SMS
sending enable current status; two green LED’s indicate
the cellular phone signal quality; one yellow LED is dedi-
cated to the current status of digital output contact, and
another yellow LED to the operating status of the cellular
phone terminal.
• Real time clock.
• Diagnostic features.
• Internal backup battery which provides power supply in
case of mains power failure.
PRELIMINARY EXAMINATION
Remove the instrument from the packing material and exam-
ine it carefully to make sure that no damage has occurred
during shipping. If there is any noticeable damage, notify
your Dealer or the nearest Hanna Customer Service Center
immediately.
Note Save all packing materials until you are sure that the instru-
ment functions correctly. Any damaged or defective items must
be returned in their original packing materials together with
the supplied accessories.
GENERAL DESCRIPTION
HI504903 instrument is an intelligent interface between
HI142 temperature dataloggers connected through RS485
port and an industrial GSM cellular phone for sending SMS
messages or connecting through a local or a remote com-
puter with HI92140 Hanna application software.
HI504903 can acquire from HI142 information about ac-
tive alarms, errors, current status and real time temperature
values on datalogger.
HI504903 device is also provided with one digital input
(typically an alarm relay) from “non-intelligent” instruments,
with only an alarm relay contact or another digital output
signal. HI504903 can be configured for all its parameters
and features through the HI504903SW Windows
® com-
patible application software provided with the instrument.
Two models are available:
• HI504903-1:
Dual-band 900/1900 MHz GSM
Power supply: 12VDC to 115VAC
power adapter (HI710005)
• HI504903-2: Dual-band 900/1800 MHz GSM
Power supply: 12VDC to 230VAC
power adapter (HI710006)