DESCRIPTION
CVM-E3-MINI-MC-485-IC, N rail power analyzer
Code: M56424.
- Protocol: Modbus/RTU | BACnet
- Communications: RS-485
- Transistor output: 1
- Digital inputs: 1
- Harmonics: 31
- Power supply (Vac): 207…253 Vac
- Input current: …/250 mA
- Mounting: DIN rail
Three-phase power analyzer (balanced and unbalanced) for mounting on DIN rail, very compact, with measurements in 4 quadrants.
Other features:
- Current measurement …/5 or …/1 A or …/250 mA or Rogowski type sensors
- With ITF technology: ITF galvanic insulation protection
- DIN rail with only 3 modules
- High-contrast backlit display
- 72 x 72 mm panel mounting with front adapter
- RS-485 communication (Modbus/RTU up to 19.2 kbps) (Bacnet up to 19.2 kbps)
- One transistor output (programmable)
- One digital input for selecting tariff or logic states
- Sealable terminal cover
- Harmonic display (V, A) up to 31º
APPLICATIONS
- Control application in low- and medium-voltage distribution panels and switchboards where it is necessary to place an analyzer on the DIN rail due to problems of space.
- Alarm control. Maximum value, minimum value and programmable delay.
- Control of active or reactive energy by impulse output.
- Capture of maximum and minimum instantaneous data of electrical parameters measured.
AC POWER SUPPLY
Installation category CAT III 300 V
Consumption 4 VA
Frequency 50…60 Hz
Nominal voltage 207…253 Vc.a.
MECHANICAL CHARACTERISTICS
Size (mm) width x height x depth 52.5 x 118 x 74 (mm)
Envelope Self-extinguishing V0 plastic
Differential current measurement min. 2,5 mm2
Cable gauge at power supply terminals 1 mm2 (min.)
Cable gauge at voltage terminals mín. 1 mm2
Fastening DIN rail
Weight (kg) 0,29
ENVIRONMENTAL CHARACTERISTICS
Protection class IP 30 / Front: IP 40
Relative humidity (without condensation) 5…95%
Storage temperature -10 … +50 ºC
Operating temperature -5 … +45 ºC
CURRENT MEASUREMENT CIRCUIT
Installation category CAT III 300 V
Nominal current (In) …/0,250 A
Phase current measuring range 2…100% de In
Maximum input current consumption 0,9 VA
Minimum current measurement 0,2 % In
VOLTAGE MEASUREMENT CIRCUIT
Installation category CAT III 300 V
Input impedance 400 kΩ
Frequency measuring range 45…65 Hz
Voltage measuring range 5 … 120 % Un
Nominal voltage 300V Ph-N, 520V Ph-Ph
Minimum measurement voltage (Vstart) 11 V Ph-N
COMMUNICATIONS
Fieldbus (BACnet) MS/TP
Fieldbus (ModBus) RS-485
Stop bits (BACnet) 1
Stop bits (ModBus) 1-2
Parity (BACnet) non
Parity non-pair-impar
Protocol ModBus/RTU, BACnet
Speed ModBus RTU: 9600-19200 bps / BACnet: 9600-19200 bps
STANDARDS
Electrical safety, Maximum height (m) 2000
Standards IEC 61010-1, IEC 61010-2-030, IEC 61326-1, IEC 61557-12 , UL94
USER INTERFACE
LED 2 LED
Keyboard 3 keys
Display type LCD Custom COG
DIGITAL INPUTS
Input/output insulation Optoisolated
Quantity 1
Type NPN Potential-free contact
DIGITAL TRANSISTOR OUTPUTS
Pulse width 30…500 ms (Programmable)
Type NPN
Maximum frequency 16 imp / s
Maximum current 50 mA
Maximum voltage 24 Vdc
MEASUREMENT ACCURACY
Frequency measurement 0,50%
Phase current measurement 0,5 % ± 1 digit (I ≤ 100% In)
Reactive energy measurement (kvarh) Class 2 (2 … 100% In)
Reactive power measurement (kvar) class 2 (2 … 100% In)
Apparent power measurement (kVA) 2 % ±2 digits (2 … 100% In)
Active energy measurement (kWh) Class 1 (2 … 100% In)
Active power measurement (kW) 1 % ±2 digits (2 … 100% In)
Phase voltage measurement 0.5% ± 1 digit

