EMH ITZ User Manual

13
6 Technical description
6.1 Technical data
Voltage
4-wire meter
3x230/400 V, 3x220/380 V, 3x58/100 V, 3x63/110 V,
3x115/200 V, 3x127/220 V, 3x132/230 V
Current
5(60) A, 5(85) A, 5(100) A, 10(60) A, 10(65) A, 10(100) A;
5II1 A, 1(6) A, 5 A
Frequency
50 Hz, 60 Hz
Accuracy
active energy
Cl. A or Cl. B acc. to DIN EN 50470-1, -3
(Cl. 2 or Cl. 1 acc. to IEC 62053-21)
reactive energy
Cl. 3 or Cl. 2 acc. to IEC 62053-23
Measuring types
active energy
+A (with non-reverse ratchet), Option: +A/-A or IAI
reactive energy
+R (with non-reverse ratchet), Option: +R/-R or IRI
Meter constants
LED (Imp./kWh)
500 - 40 000 (depending on meter type)
output (Imp./kWh)
250 - 20 000 (depending on meter type)
Energy registers
maximum number (FW 6.XX)
4 tariff registers + 1 tariff less register, 15 pre-values each for
every measuring type
Maximum registers
maximum number (FW 6.XX)
1 maximum register (24 h continuously active) for for every
measuring type
measuring period
5, 6, 10, 12, 15, 20, 30, 60 min (parameterable)
Real Time Clock
accuracy
within  5ppm
synchronization
via data interfaces or control input
running reserve battery/capacitor
> 20 years/> 7 days
Control inputs
maximum number
3 pieces
S0
1 piece
system voltage
max. 2 pieces
Data retention time
without voltage in the EEPROM, at least 20 years
Display
type
LCD
digit size
8 x 4 mm (value range)
additional display
status information about phase failure, phase sequence, tariff,
meter start-up, manipulation and running reserve of RTC
meter start-up, manipulation and running reserve of RTC
Operation
mechanical buttons
for display call-up and reset (sealable)
optical sensor
for display call-up
radio module
functions
meter remote readout via bi-directional communication,
(integrated)
online mode, transferring of commands, automatic network
build-up etc.
transmitting frequency
868 MHz in license free ISM-band
certification
acc. to DIN EN 300220, CE-mark
Data interfaces
optical data interface
optical data interface D0 (Mode C up to 4800 baud)
electrical data interface
RS485, RS232 or CL0 (fixed or Mode C up to 9600 baud)
data protocol
IEC 62056-21
Outputs
maximum number
3 pieces (S0, Opto-MOSFET, relay or high load relay)
Energy supply
switched-mode power supply
3-phase from the measuring voltage
mains buffering time
> 200 ms
Power consumption
per phase (Basic Meter)
voltage path
< 1.3 VA/< 0.8 W
current path
< 0.03 VA
EMC characteristics
isolation resistance
isolation: 4 kV AC, 50 Hz, 1 min
surge voltage
EMC: 4 kV, impulse 1.2/50 μs, 2 Ω
ISO: 6 kV, impulse 1.2/50 μs, 500 Ω (measuring paths
and in- and outputs)
resistance against HF-fields
30 V/m (under load)
Temperature range
operating/limit range
-25°C ...+60°C/-40°C ...+70°C
storage and Transport
-40°C ...+70°C
Relative humidity
95% acc. to IEC 62052-11, EN 50470-1 and IEC 60068-2-30
Housing
dimensions
approx. 178 x 328 x 61 (W x H x D) mm
class of protection
2
degree of protection housing/terminals
IP 51/IP 31
housing material
polycarbonate glass-fibre-reinforced, without halogen, recyclable
fire characteristics
acc. to DIN EN 62052-11
weight
up to 60 A approx. 1.35 kg, up to 100 A approx. 1.6 kg
Table 2: Technical data

EMH ITZ Specifications

General

Brand	EMH
Model	ITZ
Category	Measuring Instruments
Language	English