EM21-72D.AV5.3.X.0.XX CARLO GAVAZZI, EM21-72D.AV5.3.X.0.XX Datasheet - Page 3

• Manufacturer Part Number: EM21-72D.AV5.3.X.0.XX
• Description: METER, ENERGY, PULSE
• Manufacturer: CARLO GAVAZZI

Specifications of EM21-72D.AV5.3.X.0.XX

• Power Rating: 1W
• Meter Function: Energy Management
• Meter Size/dimensions: 72mm X 72mm X 65mm
• Display Technology: Removable LCD
• External Depth: 65mm
• External Length / Height: 72mm
• External Width: 72mm
• Ip/nema: RoHS Compliant
• Svhc: No SVHC (15-Dec-2010)
• Rohs Compliant: Yes

Password
System selection
EM21 72D
Pulse output
RS485
Software functions
Specifications are subject to change without notice
Output specifications
1st level
2nd level
Programming lock
System 3-Ph.n unbalanced load
System 3-Ph.1 balanced load • 3-phase (3-wire) one cur-
System 2-Ph
System 1-Ph
Number of outputs
Type
Pulse duration
Output
Load
Insulation
Type
Connections
Numeric code of max. 3
digits;
2 protection levels of the
programming data:
Password “0”, no protec-
tion;
Password from 1 to 999, all
data are protected
By means of potentiometer
(back-side of the display
module) it is possible to
lock the access to all the
configuration parameters.
3-phase (3-wire)
rent and 3-phase to phase
voltage measurements.
Note: the phase to phase
voltage is calculated multi-
plying by 1.73 the virtual
phase to neutral voltage.
• 3-phase (4-wire) one cur-
rent and 3-phase to neutral
voltage measurements.
Note: the phase to phase
voltage is calculated multi-
plying by 1.73 the virtual
phase to neutral voltage.
• 3-phase (2-wire) one cur-
rent and 1-phase (L1) to
neutral voltage measure-
ment.
2-phase (3-wire)
1-phase (2-wire)
1
Programmable from 0.01 to
9.99 kWh per pulses. Out-
put connectable to the
energy meters (kWh)
≥100ms < 120ms (ON),
≥120ms (OFF), according
to EN62052-31.
Static: opto-mosfet.
V
V
By means of optocouplers,
4000 VRMS output to mea-
suring inputs.
Multidrop, bidirectional
(static and dynamic vari-
ables)
2-wire. Max. distance
1000m, termination directly
ON
OFF
3-phase (4-wire)
2.5 VAC/DC max. 70 mA,
260 VAC/DC max.
EM2172D DS ENG 190210
Transformer ratio
Displaying
Reset
Easy connection function
VT (PT)
CT
Addresses
Protocol
Data (bidirectional)
Data format
Baud-rate
Driver input capability
Insulation
Dynamic (reading only)
Static (reading and writing)
1.0 to 99.9 / 100 to 999 /
1.00k to 6.00k
1.0 to 99.9 / 100 to 999 /
1.00k to 9.99k / 10.0k to
60.0k.
The maximum power being
measured cannot exceed
210 MW calculated as
maximum input voltage
and current, (see the
“Accuracy” paragraph).
The maximum VT by CT
ratio is 48.600. For MID
complaint applications the
maximum power being
measured is 25 MW.
Up to 3 variables per page.
See « Display pages » , 3
different set of variables
available (see « Display
pages ») according to the
metering function being
selected.
By means of the front key-
pad: total energies (kWh,
kvarh).
Wrong phase detection
and displaying. For all the
display selections, both
energy measurements are
dependent from the current
direction, both power mea-
surements are independent
from the current direction.
The power measurements
are always positive.
on the instrument.
247, selectable by means
of the front keypad
MODBUS/JBUS (RTU)
System and phase vari-
ables: see table “List of
variables...”
All the configuration
parameters.
1 start bit, 8 data bit, no
parity,1 stop bit.
9600 bits/s.
1/5 unit load. Maximum
160 transceiver on the
same bus.
By means of optocouplers,
4000 VRMS output to mea-
suring input.
3