TIMER MODE
1. INTRODUCTION
1.1 Overview
This document covers the specification and operation of the MCM-030 single phase
prepayment magnetic card operated electricity meter and timer for operating in
TIMER MODE. The main features of the product are:
1) All solid state with 2 x 16 character LCD.
2) Uses secure disposable magnetic token cards.
3) When valid token card is inserted, time credit is copied from the card to the timer.
4) Multiple cards may be entered in one session.
5) Card is erased and permanently marked.
6) Card timer display counts down in hours, minutes and seconds.
7) User settable duration of 0 to 599 minutes.
8) Programming command card allows settings to be easily changed.
9) Tournament Mode Override.
10) Switches up to 100A and can supply up to 25kW of load.
11) No battery replacement required.
12) Internal Real Time Clock with programmable switching.
13) Reverse Energy Detection.
2. TECHNICAL DATA
The MCM-030 is an alternating Current Static Watt Hour Meter, Class B, with
programmable timer function facility.
2.1 Meter LED & Power Registration Security
The red LED mounted on the front panel will pulse at a rate of 1000 pulses per kWh.
Power registration is recorded in non-volatile memory under control of the
microprocessor which is updated every 24 hours and in the event of a power failure.
There are separate registers for each rate.
2.2 Main Contactor
Contactor Current Rating: 100 Amps
Terminal Arrangement: BS 7856
Main Terminal Dimensions: 8.0mm to 8.2mm
Terminal Construction: Solid Brass
2.3 Power Supply
Rated Voltage: 230V
Operating Voltage Range: 220V-240V, Maximum 276V
Current Range: 20 to 100A Standard
Frequency: 50Hz Standard
2.4 Metrology
Timer Accuracy: 1%
2.5 Environmental
Temperature Operating Range: -25 to 55 degrees C
Storage Range: -25 to 55 degrees C
Transportation Range: -25 to 70 degrees C
Ingress Protection: IP51
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