Split keypad single phase prepayment electricity meter

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Split keypad single phase prepayment electricity meter
Posting date : Dec 30, 2010
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S04-
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DDSD101-5V8.0 SPLIT KEYPAD SINGLE PHASE PREPAYMENT ELECTRICITY METER (MMU+IDU) MMU: 1. Keypad based, single phase prepayment meter 2. 20 digit Standard Transfer Specification (STS) 3. Split Measurement Management Unit (MMU) and Indoor Display Unit (IDU) 4. Strong anti-tamper function IDU: 1. Receive the meter information in real time 2. Allow the customer to enter new credit 3. Display the information about the consumption rate (LED) 5. Communicate via RS485 or PLC 6. Sound alarm when the customer consumption exceeds the power limit, in low credit situation or when the credit inside the meter reaches zero 7. The customer can mute any audible alarm Easy and Secure Data Transfer Single or multi-tariff meter with built-in real time clock(optional) Credit data transferred from a point of sale (POS) or vending system is made into a numeric token in a 20 digit number using the Standard Transfer Specification (STS) encryption techniques, which comply with IEC62055 protocol. The token can be entered into the meter via MMU or IDU, optical port as an alternative. TECHNICAL DATA General: MMU: Range of current: 5(20) A, 10(40) A, 20(80) A, 10(100) A Starting current: 0.4%Ib Voltage: 220V/230V(±20%) Frequency: 50Hz/60Hz Meter constant: 800 imp /kWh, 3200 imp /kWh, 1600 imp/kWh IDU: Power supply: DC5V(±10%) Communication distance:Max:300m Accuracy: Class 1 or 2 accuracy according to IEC 62053-21 for active energy Recording and Display Non-volatile memory EEPROM LCD/8 digits and icon with white backlight MMU IDU Communication: Local reading & programming by keypad. Local reading & programming through IEC 61107 optical interface (IEC 62056-21 protocol) MMU and IDU communication via RS485 Anti-tampering System: Terminal cover opening event and automatic disconnection Reverse energy detection Connection DIN or BS type DIN BS Mechanical Features: Dimensions (mm): L217 W134 H71 Operating Temperature:-25℃to+70℃ Humidity < 95%

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