CARLO GAVAZZI EM21 - COMMUNICATION PROTOCOL V1 REV0 Manual do Utilizador descarregar pdf (Página 4)

4 Specifications ar

e subject to change without notice EM2172D DS ENG 280708

EM21 72D

Self power supply 18 to 260V

AC (48-62Hz).

Across input “VL1” and “N”

Power consumption ≤2VA/1W

Power supply specifications

Surge On current and voltage

easuring inputs circuit:

kV;

adio frequency suppression According to CISPR 22

Standard compliance

Safety IEC60664, IEC61010-1

EN60664, EN61010-1

EN62052-11

etrology EN62053-21, EN62053-23,

N50470-3

ulse output DIN43864, IEC62053-31

Approvals CE

Connections Screw-type

Cable cross-section area 2.4 x 3.5 mm

Min./Max. screws tighten-

ing torque: 0.4 Nm / 0.8 Nm

Housing

Dimensions (WxHxD) 72 x 72 x 65 mm

Material Noryl PA66,

self-extinguishing: UL 94 V-0

Mounting Panel and DIN-rail

Protection degree

Front IP50

Screw terminals IP20

Weight Approx. 400 g (packing

included)

Operating temperature -25°C to +55°C (-13°F to

131°F) (R.H. from 0 to 90%

non-condensing @ 40°C)

according to EN62053-21

and EN62053-23.

Storage temperature -30°C to +70°C (-22°F to

158°F) (R.H. < 90% non-

condensing @ 40°C)

according to EN62053-21

and EN62053-23.

nstallation category

at. III (IEC60664,

EN60664).

Insulation (for 1 minute) 4000 VRMS between mea-

suring inputs and digital

output.

Dielectric strength 4000 VRMS for 1 minute.

Noise r

ejection

CMRR

100 dB, 48 to 62 Hz.

EMC According to EN62052-11

Electrostatic discharges 15kV air discharge;

Immunity to irradiated Test with current: 10V/m

from 80 to 2000MHz;

Electromagnetic fields Test without any current:

30V/m from 80 to

2000MHz;

Burst On current and voltage

measuring inputs circuit: 4kV

Immunity to conducted

disturbances 10V/m from 150KHz to

80MHz

General specifications

Insulation between inputs and outputs

Measuring Inputs

Opto-Mosfet output Communication port Self power supply

Measuring Inputs

- 4kV 4kV 0kV

Opto-Mosfet output

4kV - - 4kV

Communication port

4kV - - 4kV

Self power supply

0kV 4kV 4kV -

NOTE: all the models have, mandatorily

, to be connected to exter

nal current transformers.

1 2 3 4 5 6 7 8 9 10

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