frako EM-PQ 2300, Руководство по эксплуатации

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Technical data Operating Manual EM-PQ 2300
7
2. Technical data
Instrument power supply

Supply voltage
90
–267 V AC, frequency 45–65 Hz, or 100–360 V DC (absolute
limits). Internal slow-blow, surge-proof fuse 2 A, 250 V AC,
clearing I²t approx. 92.7 A²s

Power draw
max. 8 W with EM-FD 2500 Display connected, or
max. 5 W without EM-FD 2500 Display

Overcurrent protection
External, max. 2 A required
Inputs

Voltage path measurement inputs 5 x 80 V AC, max. 690 V AC (phase–phase, absolute limits),
corresponding to 115
–600 V AC networks, electrically interconnected
via high resistance, medium voltage measurement via ../100 V
transformer possible, external 2A fuse required

Overcurrent protection
External, max. 2 A specified

Current path measurement inputs 5
× x/5 A AC or x/1 A AC (transformer secondary current > 6 mA),
electrically isolated from each other, power draw max. 0.5 VA per
transformer connection, continuous overload rating up to 6 A AC,
max. 10 A AC

Digital inputs
4 × S0 pulse inputs as per DIN 43864:
Digital IN 1/2, Trigger IN, tariff switching
Common earth connection, in addition electrically connected with the
digital outputs, analogue outputs and temperature input

Temperature input Pt100 or Pt1000 RTD, 4-wire or 2-wire configuration,
automatic detector type identification
Measurement range -50
– 200 °C, resolution 1 °C
Earth connection commoned with the digital outputs, digital inputs
and analogue outputs
Active from hardware v1.8 and firmware v1.72
Outputs

Digital outputs 2 × S0 pulse outputs as per DIN 43864, internal resistance 420

,
max. permitted voltage 27 V DC
Each output should preferably be routed to a device with a digital
input that conforms to the S0 pulse standard.
Common earth connection, in addition electrically connected with the
digital inputs, analogue outputs and temperature input

Analogue outputs 2 × 0/4
–20 mA or 0–10 V DC
Each output separately and automatically identifies signal type as
current or voltage from the externally connected loads. Signal range
0
–20 mA or 4–20 mA configurable with software
Load resistances with current signal: 0 to 300

Load resistances with voltage signal: 2 to 100 k

Common earth connection, in addition electrically connected with the
digital outputs, digital inputs and temperature input

Alarm contact
Volt-free NO contact
Electrical durability AC-11 250 V AC, max. 3 A or DC-13 25 V DC,
max. 3 A, mechanical service life = 20
× 10
6
switching cycles,
electrical service life AC-11 at 3 A = 10
5
switching cycles,
AC-11 at 0.5 A = 10
6
switching cycles,
utilization category AC-x / DC-x as per IEC 60947-4-1
Interfaces

Ethernet interface
100 Mbit/s, RJ45

FRAKO Starkstrombus
®
,
alternatively Modbus,
RS-485, surge impedance 120

, as per EN 50170 (PNet), for
connecting to the FRAKO Energy Management System.