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The new version of the Communication
Controller E924 offers in addition GPS receiver support and mobile
phone Short Message Service (SMS) support. It is designed for the long-term
operation in field conditions
Basic
Features
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Communication between a light
and the regional monitoring and control centre.
Communication over the LAN of a light with up to 23 nodes
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Regular polling of the LAN’s
nodes (other equipment units of a light ) in every 15 minutes
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Programmable time scheduling
of regular communication sessions, and immediate sending of
the emergency messages to the control centre
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Responding to the commands and
inquiries from the regional monitoring and control centre
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Measurement and recording of
5 analogue input signals in every 15 minutes, the last 256 records are
accessible. Checking of contact sensors (tampering, fire, ect.)
and sending of emergency messages to the control and
monitoring centre
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Recording of statistical data
about the quality, time and results of last 32 communication sessions
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Programmable scheduling of mobile
phone standby mode in order to save energy
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GPS
features
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Receiving and periodical recording
of the GPS signals with the period specified by the user
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Adjusting of the built-in clock/calendar
based on the GPS signals and sending of the time adjustment signals
to the other nodes of a light
Short
Message Service (SMS) features
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Sending of the SMS emergency
messages to the user-specified mobile phone in case of receiving the emergency
signals from the inputs AN4 and/or AN5
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Responding with SMS messages
describing the current state of a light to received
SMS inquiries
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Execution of commands issued
by servicing personnel in the form of SMS messages
or forwarding them to other units within a light (e.g. switching
ON/OFF of a light at daytime)
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Sending of the synchronizing
SMS messages to the user-determined mobile phone (a communication
controller of another light)
Specifications
| Input
voltages |
9 ...
20V DC, optionally up to 29V DC |
| External contact sensors
voltage |
5V, output resistance
of voltage source 1kW |
Current
consumption
in standby
in alert
mode
in communication
mode
current
of GPS receiver |
1.5mA (GSM receiver OFF)
50mA max. (GSM receiver
ON)
250mA max. ( GSM transceiver
ON)
80mA |
Deviation of coordinates
with 95% probability |
±15m
±100m "with selective
availability activated" |
| Communication
media |
GSM-900
mobile telephone network |
| Minimum GSM input signal
level |
-70dBm (input 70.7mV
on 50W
load) |
| Power
of GSM transmitter |
2W max. |
| Communication data rate |
9600bps with GSM and LAN,
4800bps with GPS receiver |
| Local
area network (LAN) |
RS485
based, maximal length 1.2km |
| Voltage range on 5 analogue
measurement inputs |
0 ... 5V, 8 bit resolution |
| Inputs,
outputs |
GSM antenna,
GSM handset, RS485 , 2xRS232 (one for GPS receiver),
5 analogue measurement inputs, contact sensors |
| Temperature range |
from -20°C to +55°C*
(IEC 60068-2-12,14) |
| Relative
humidity |
up to
98% at temperature +35°C (IEC 60068-2-3) |
| Dimensions |
70x210x183mm |
| Weight |
2.4kg |
*) the temperature range can be optionally extended
Layout and dimensions
of the communication controller E924
If yuo need more
information, including the information on prices and availability of our
products, please do not hesitate to contact our marketing group
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