Hanna Instruments HI 504901 - Manual (Page 4)

7 6
MAIN FEATURES
Here below are listed the main features of the HI504901
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.
• RS232 ports (channel #1 and #2) for communication to-
wards Hanna meters with RS232 port.
• RS485 port for communication towards Hanna meters with
RS485 port, allowing connection of up to 32 instruments
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: four red LED’s are provided for signaling
error conditions or active alarms in the devices connected
to the interface through RS232 ports (#1 and #2), RS485
port or digital input, depending on interface configura-
tion; 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 dedicated to the current status of digital out-
put contact, and another yellow LED to the operating sta-
tus 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
HI504901 instrument is an intelligent interface between
Hanna meters with RS232 and RS485 port and an industrial
GSM cellular phone for sending SMS messages or connect-
ing through a local or a remote computer with HI92500
Hanna application software.
HI504901 can acquire information about active alarms,
errors, current status and real time values with following Hanna
meters:
• HI8001 and HI8002 towards RS232 channel #1 and
RS232 channel #2 serial port;
• HI23 and HI24 series, towards RS485 serial port;
• HI700 and HI710 series, towards RS485 serial port;
• HI504 series, towards RS485 serial port;
• HI504910, towards RS485 serial port.
HI504901 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. HI504901 can be configured for all its parameters
and features through the HI504901SW Windows
® com-
patible application software provided with the instrument.
Two models are available:
• HI504901-1:
Dual-band 900/1900 MHz GSM
Power supply: 12VDC to 115VAC
power adapter (HI710005)
• HI504901-2: Dual-band 900/1800 MHz GSM
Power supply: 12VDC to 230VAC
power adapter (HI710006)