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ECD 310 Terminal Modem

Product at a glance

Smart and reliable AMR

ECD 310 is a modem for data transfer between an electronicenergy meter and a central station over the GSM / GPRScommunications network. Working in conjunction with basecomputer software (BCS) it provides a cost-effective solution forremote automatic meter reading (AMR). It is designed for fitting under the meter's terminal cover,providing a neat, tamper-resistant installation.
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Application

  • GSM/GPRS-based remote meter reading (RMR) systems
  • Outstation modem, connected at the meter end
  • HV or LV metering installations

Benefits

  • Easy installation under the meter's terminal cover
  • No need for external power supply input
  • Tamper-resistant installation under utility sealed cover

Features

  • Meter-powered GSM/ GPRS modem
  • Meter connectivity through serial RS-232 communication port
  • Status LEDs
  • SIM card provision
  • Engineering plastic enclosure
  • Compact size: fits under the meter's terminal cover

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Specification

Electrical
Power supply input Powered from RS-232 port of meter
RJ-45 variants: 3.7 V @ 600 mA
Antenna Stub antenna (3dBi)
Compliance
Operating frequency Dual-Band EGSM / GPRS 900 / GSM 1800MHz
ETSI GSM Phase 2+ Standard Class 4: 2W @ 900 MHZ
Class 1: 1W @1800 MHZ
GPRS multi-slot class Class 10
Mechanical
Dimensions (W x H x D) 58 x 75 x 37 mm (approx.)
Weight 0.1 kg (approx.)
Sealing Two sealable terminals on the cover
Connectors SMA for antenna connection (with flying lead)
RJ-45 for connection to meter
(RS-232 port on modem)
SIM card* Externally accessible
Sliding tray type (with sealing arrangement)
3 V interface
Environmental
Temperature -10 C to +55 C (operating)
Humidity 95% non-condensing

Client testimonials

Secure has sold more than 50,000 terminal modems to TNB, Malaysia. TNB has set KPI (Key Performance Index) values as the evaluation criteria for any modem. Some of their key performance parameters are:

–        Signal strength/signal level

–        Number of GPRS data channels

–        GPRS data rates

–        Interference levels

–        Radio priority

TNB reported Error-24 for Secure’s Premier meters, which adversely affected modem operation and meter reading. We conducted tests at TNB installations using a Nemo Handy tool, which reports RF and signalling data for a wide range of communications parameters. The test results revealed performance deficiencies with the independently-sourced SIMs fitted in the modems. TNB appreciated our assistance in resolving this problem, which had not been caused by equipment supplied by Secure.

TNB also appreciate the way that each ECD 310 modem registers itself with the back-end station. With this feature, multiple installations can be performed very quickly, reducing the cost of installation. This feature is easy to use, and is much more reliable than traditional installation methods.

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