Technical Details - Landis+Gyr E470 Series User Manual

Functional overview
3.2

Technical details

Accuracy class
 Class 1 (IEC), Class B (MID) for active energy
 Class 2 (IEC) for reactive energy
Standards and requirements
 Active energy: MID, EN 50470-1, EN 50470-3,
EN 62052-11, BS7856:2013
 Reactive energy: IEC 62053-23
 Safety: EN 61010-1, BS EN 60950-1,
IEC 62052-31, BS EN 50470-1 class II
 EMC: EN 301 489-1, EN 301 489-17
Voltage
 Un = 220, 230, 240 VAC
 Specified operating range: ±10% of Un
 Extended operating range: -20%, +15% of Un
 Long-term overvoltage: 1.9 x Un
Power consumption
 Typical 0.9 W @ 230VAC (excludes ICHI power
consumption)
Case
 Protection class II
 IP53
 Antistatic polycarbonate glass filled 10%
Dimensions
 Overall: 121 mm (h) x 130 mm (w) x 68 mm (d)
 Height: 98 mm, not including Intimate
Communications Hub Interface (ICHI)
 Weight: 1 kg (approx.)
Supported interfaces
 ZigBee® HAN utilising SEP 1.2 at 2.4 GHz
 GBCS tunnelled over the HAN to/from communi-
cations hub
 DCC compliant Intimate Communications Hub
Interface (ICHI) providing 12 VDC / 6 W power,
Comms Hub Present and Meter Present pins.
Control buttons
 One button for scrolling display
 Second button for the control of the Disconnector
(used for reconnection of supply) and also
available as a control of display operations.
LCD display
 16 starburst (14 segment) characters
 7 digits for showing register values
 In Service Test (IST) mode shows 2 dp
 Indication of units, currency, signal strength,
energy direction and supply status
LED
 Pulsing red LED indicating measured energy
 Continuous illumination indicating anti-creep
D000058620 en a – E470 Series 3 SMETS2 100 mm – ZCX310 – User Manual and Functional Description
Issue 1.2
Table 1 Technical details
Clock
 Quartz crystal synchronized real time clock
 Maximum deviation 6ppm
 Battery back-up
Measurement
 Four quadrant measurement
 1 phase 2 wire single phase
Current
 Reference current Iref = 5 A, 10 A, 20 A
 Maximum current Imax = 100 A
 Minimum current Imin = 0.25 A, 0.5 A, 1.0 A
 Starting current Ist = 0.4% of Iref ≤20 mA,
0.04 mA, 0.08 mA
Tamper detection
 Main cover and terminal cover removal
 Strong DC magnet
 Sealing for main cover and terminal cover
ZigBee® module
 2.4 GHz IEEE 802.15.4 transceiver
 32-bit microprocessor
 192 KB Flash Memory/12 KB RAM
Relay outputs
 Single pole voltage free, non-latching relay rated
at 230 V 2 A at unity and 0.5 pf.
Supply control switch
 For disconnection of energy supply
 Can be controlled remotely or locally for
prepayment and load limiting functions in
conjunction with the push button.
 Max. switching current 100 A
 Conforms to EN 62052-21 UC3
Temperature and humidity
 Operating temperature: -25 °C to +55 °C
 Storage temperature: -40 °C to +70 °C
 LCD operating temperature: -20 °C to +55 °C
 Relative humidity 30% to 95%, non-condensing
Insulation strength
 Insulation voltage: 4 kV at 50 Hz for 1 min
 Impulse voltage 1.2/50 s:
 6 kV according to IEC62052-11
Frequency
 50 Hz ± 0.5 %
Security
 Random Number Generator (RNG)
 AES-128
 Internal firewall for secure separation/access
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