Smart Prepayment Solution

Overview
Using Field:
DDSY283SR Single Phase Split Smart Meter and RF IC card
UIU is using for Prepayment Residential field.
1P2W Type: 230V 5(60)A
Remote Communication: GPRS
Smart Prepay Solution

Overview
3P4W DT Type: 3 x 230/400 V 10(100)A
Using Field:
DTSY541 DT type three phase smart split prepayment meter and RF
IC card UIU is using for smart prepayment small commercial
consumer and residential field.

Overview
Using Field:
DTSY541SR CT type three phase smart split prepayment meter and RF IC card UIU
is using for smart prepayment small commercial consumer and residential field.
3P4W CT Type: 3 x 230/400 V 5(10)A

Smart Prepayment Meter Introduction
• Products
– Overview
– DDSY283SR 1P Meter Introduction(skipped)
– DTSY541/DTSY541SR 3P Meter Introduction
– Communication Modem Introduction
– UIU Introduction
– Prepayment Function Introduction

Mechanical & Installation
Dimension(3P)

Terminal box dimensions(Three Phase)
DT Type
CT Type

Auxiliary Port
Input / Output Port Description
B1
Active impulse output
Reactive impulse output
B2
COM
Second pulse output
B3
Reserve
Reserve
B4
MBUS
MBUS
B5
Reserve
Reserve
B1+ B2+ B3+ B4+ B5+

Connection
3P4W CT Type
3P4W DT Type

Basic Parameter (3P DT Type)
Basic Parameter
Sub-item Parameter
Meter Type Three Phase Four Wires Direct Type
Active Accuracy Class 1 (IEC 62053-21)
Reactive Energy Class 2 (IEC 62053-23)
Rated voltage Un
3P4W DT Type: 3 x 230/400 V
Voltage Range: 70%~120% Un
Operating frequency 50Hz
Measuring current (A) 10(100)A
Starting current 0.004Ib
Pulse constant
1000 imp/kWh
1000 imp/kvarh
Power consumption
Current circuit power consumption≦0.5 VA
Voltage circuit power consumption≦2 W/8VA
Operating temperature range -25°C ~ +70°C
Storage temperature -40°C ~ +85°C

Basic Parameter (3P CT Type)
Basic Parameter
Sub-item Parameter
Meter Type Three Phase Four Wires CT Type
Active Accuracy Class 1 (IEC 62053-21)
Reactive Energy Class 2 (IEC 62053-23)
Rated voltage Un
3P4W CT Type: 3 x 230/400 V
Voltage Range: 70%~120% Un
Operating frequency 50Hz
Measuring current (A) 5(10)A
Starting current 0.002Ib
Pulse constant
10000 imp/kWh
10000 imp/kvarh
Power consumption
Current circuit power consumption≦0.5 VA
Voltage circuit power consumption≦2 W/8VA
Operating temperature range -25°C ~ +70°C
Storage temperature -40°C ~ +85°C

Flexible Measurement
– Import/Export energy measurement for new power energy measurement
application;
Active Energy Measurement (absolute) Reactive Energy Measurement
Active Energy(forward) = |+A | + | -A | Reactive Energy(forward) = |+Ri| + |+Rc| = Q1+Q2
Active Energy(reverse) = |-A| Reactive Energy(reverse) = |- Ri| + |- Rc| = Q3+Q4

Meter Function
Power Supply Voltage Input for CT Meter
Normal voltage input:
 138V~240V (Phase to Neutral)
Minimum:
 138V (Phase to Neutral)
Maximum:
Power Supply Voltage Input for DT Meter
Normal voltage input:
 138V~240V (Phase to Neutral)
Minimum:
Maximum:

Load Profile
DDSD286 Introduction
– Import/Export energy measurement for new power energy measurement
application;
– Demand & Energy LP: 4 programmable channels
– Instantaneous LP: 8 programmable channels
– Billing LP: 12 months

Meter Function – Load Profile
Load Profile1(Demand & Energy) Interval: 1~60 minutes
4 programmable channels, Data capture object as follow:
Load Profile(Data capture object)
- Import Active Demand(kW)
- Export Active Demand(kW)
- Import Reactive Demand(kvar)
- Export Reactive Demand(kvar)
- Import Active Energy(kWh)
- Export Active Energy(kWh)
- Import Reactive Energy(kvarh)
- Export Reactive Energy(kvarh)

Meter Function – Load Profile
Load Profile2(Instantaneous): Interval: 1~60 minutes
8 programmable channels, Data capture object as follow:
Voltage Phase A (V) Reactive Power Total (kvar)
Voltage Phase B (V) Reactive Power Ph-A (kvar)
Voltage Phase C (V) Reactive Power Ph-B (kvar)
Current Phase A (A) Reactive Power Ph-C (kvar)
Current Phase B (A) PF Total
Current Phase C (A) PF Phase A
Active Power Total (kW) PF Phase B
Active Power Ph-A (kW) PF Phase C
Active Power Ph-B (kW) frequency
Active Power Ph-C (kW)

Billing
Billing Reset
– Automatically reset at predefined date;
– Manually reset by press button;
– Manually send billing command through PC software;
– Billing History：12 Months in Meter Memory
Billing Data(Data capture object)
- Import Active Total and Tariff Energy(kWh)
- Export Active Total and Tariff Energy(kWh)
- Import Reactive Total and Tariff Energy(kvarh)
- Export Reactive Total and Tariff Energy(kvarh)
- Balance Credit(kWh);
Billing Data

Meter Function – Max.Demand
Max.Demand Reset
– Intervel mode, Demand period: 1min,5 min,15 min,30 min,60 min;
– Automatically reset at predefined date;
– Manually reset by press button;
– Manually send billing command through PC software;
– Billing History：12 Months in Meter Memory
Max.Demand Data(Data capture object)
- Date and Time
- Import active MD of T1/T2/T3/T4 and happen Time
Max.Demand Data

Meter Function
Flash & Ram
Load Profile Storage
- LP1(Demand and Energy) More than 60 days every 15 minutes
- LP2(Instantaneous): More than 60 days every 15 minutes
- Billing Data More 12 times billing reset
Data Flash:
 Store Load Profile Data
EEPROM:
 Store General setup, System setup
 Store/Buffer the instantaneous meter data (Volt, Amp, Power, Energy)
 Store Billing Data

TOU, Step Tariff & Load Control for
DSM
– Reduce the peak time power
– Load Control: Using normal load control locally or remotely;
– TOU: Up to 4 tariff, 10 step tariff support to let customer reduce power in peak time
and using more power in peak-off time by themselves;

Meter Function - TOU
TOU(1)
1. Tariff Number: 4
2. Typical day
Typical Day Max Number:8;
Time span Max number of typical Day: 10;
Typical day sample:
Time Span (max 10) Tariff
HH:MM~HH:MM Rate 1
HH:MM~HH:MM Rate 2
HH:MM~HH:MM Rate 3
HH:MM~HH:MM Rate 4
HH:MM~HH:MM Rate 3
HH:MM~HH:MM Rate 4
HH:MM~HH:MM Rate 2
HH:MM~HH:MM Rate 1

TOU(2)
3. Typical Week
Typical Week Max Number:12;
Typical Week Sample:
Week day Typical Day
Mon Day1
Tues Day 2
Wen Day 3
Th Day 4
Fri Day 3
Sat Day 4
Sun Day 2

TOU(3)
4. Typical Season
Typical Season Max Number:12;
Typical Season Sample:
Season Typical Week
Season 1(Jan~Mar) Week1
Season 2(Apr~Jun) Week2
Season 3(July~Sep) Week3
Season 3(Oct~Dec) Week4
5. Holiday & Others
Holiday Max Number(include public holiday and non-public holiday):100;

Meter Function – Step Tariff
Step Tariff
1. Step Energy Tariff Number: 10
2. Step Energy Price Number: 11
Step Tariff (kWh) (max 10) Tariff Price
[0~value1] Price1
(value1~value2] Price2
Over value10 Price11

Meter Function - RTC
Timing Source
Internal Crystal Clock:
 Call internal operation
 Standard Crystal Colck generate constant pulse for calculate time
 Use supply from voltage input
 2 years operation without power
 Accuracy +/- 0.5 sec / day

Meter Function Battery
Battery
 Replaceable for RTC when power outage;
 Replaceable battery for LCD display when power outage
 Independent sealing for replaceable battery

Communication & Protocol
MI1
GPRS-Remote Comm.
DLMS TCP/IP
MI2
Optical-Local Comm.
IEC62056-21 E Mode
MI3 MBUS-UIU
– Open Protocol: DLMS/COSEM

Meter Function
OBIS Definition full according DLMS/COSEM
OBIS CODE DESC CLASS ID ATTRIB TYPE UNIT LENGTH W/R
1-0:1.8.0.255 Import Active Energy Rate0 3 2 U32 (0)wh 4 R
1-0:3.8.0.255 Import Reactive Energy Rate0 3 2 U32 (0)varh 4 R

Data Security
– Data communication security let smart application safety;
– AES128 for local communication;
– DES for remote communication;
– DES for prepayment decryption/encryption;

Tamper&Events
Alarm & Event
Sub-item Parameter
Tamper & Events
- Terminal cover open event
- Power outages event
- Missing voltage with phase identification
- Missing current with phase identification
- Current polarity reversal with phase
identification
- Neutral disturbance
- External magnetic Influence
- Current Imbalance
Event Records - Recent 100 times alarm and event records.

Smart Prepayment Meter Introduction
• Products
– Overview
– DDSY283SR 1P Meter Introduction
– DTSY541/DTSY541SR 3P Meter Introduction
– Communication Modem Introduction
– UIU Introduction
– Prepayment Function Introduction

DATA TRANSFER RATE 9600BPS
FREQUENCY RANGE
850MHz, 900MHz,
1800MHz,1900MHz
GSM / GPRS CLASS 10
OPERATION MODE DATA/SMS
SIM-CARD INTERFACE 1,8V/3V
PROTOCOL
TCP/IP
UDP
OPERATING AT COMMAND
COMMUNICATION INTERFACE RS232
OPERATING TEMPERATURE -30°С ~ +75°С
COMMUNICATION PROTOCOL DLMS TCP/IP
GPRS Modem

LCD Display
RF Receiver
Credit LED
Boost Button (Reconnection)
Scroll Button
MBUS to Meter
Mechanical Overview

Prepayment System Working Flow
Prepayment Meter

RF-IC Card
– Type of RF-IC card:
– User Card: using for customer purchase energy and credit;
– Check Card: using for read/check credit, tamper, tariff, billing etc.;
– Setting Card: using for set load limit, tariff etc.;

Prepayment Function
– Credit way: RF-IC card;
– Friendly credit: Friendly credit: can be set to enable or disable. In Friendly
happy hours:
– No disconnections on public holidays or weekends
– No disconnections during night hours
– No disconnections on festival days (as programmed);
– Emergency Credit: Capable of giving an emergency credit and be disconnected
after the emergency credit had been consumed.;

Contents
• Part1: Smart Prepayment Meter Introduction
• Part2: HLMCS PC Software Introduction
• Part3: MDM-Prepayment System Introduction
• Part4: ESEP-10 MDM-Prepayment Software
Introduction

HLMCS PC Software
Software Structure (Local Communication)
Smart MeterPC Software
IEC62056-21 Communication Cable

HLMCS PC Software
Software Structure (Remote Communication)
PC Software Front-End Server
(AHE)
Smart Meter
LAN TCP/IP WAN TCP/IP

Smart Prepayment Solution

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