Advantages : User-friendly operation: With its large backlit multiple-display screen with 4 hot keys, the DIRIS A-20 is easy to use.
Compliant with ANSI C12.20 and IEC 61557-12.
Reference standard for PMDs (Performance metering & monitoring devices), IEC 6155712 guarantees performance levels and satisfactory performance from the PMDs under the environmental conditions typical of industrial and tertiary applications.
Detects wiring errors: The DIRIS A-20 is equipped with an error correction function for TC connection.
Customizable: Additional communication and input/output modules can extend the basic functional scope of this product. Equipped with additional modules, the DIRIS A-20 can provide the user with flexibility and expandability throughout the service life of the product
The Solution for: Industry | Infrastructures | Building
Strong Points:
- User-friendly operation.
- Compliant with ANSI C12.20 and IEC 61557-12.
- Detects wiring errors.
- Customizable Compliance with standards.
- UL 61010 guide PICQ file E257746.
- ANSI C12.20.
- IEC 61557-12.
- IEC 62053-22 class 0.5S.
- IEC 62053-23 class 2.
Related software: to use Socomec PMDs effectively, we can offer you several dedicated software tools.
Aux 110-240VAC / 120-250VDC
Current measurement (TRMS)
Via CT primary: 9 999A.
Via CT secondary: 5A.
Measurement range: 0 … 11kA.
Input consumption: 0.6VA.
Measurement updating period: 1s.
Accuracy: 0.2%.
Permanent overload: 6A.
Intermittent overload: 10 In over 1sec
Voltage measurements (TRMS)
Direct measurement between phases: 50-500VAC.
Direct measurement between phase and neutral: 28-289VAC.
Input consumption: ≤ 0.1VA.
Measurement updating period: 1s.
Accuracy: 0.2%
Power measurement
Measurement updating period: 1s.
Accuracy: 0.5%
Power factor measurement
Measurement updating period: 1s.
Accuracy: 0.5%
Frequency measurement
Measurement range: 45 … 65 Hz.
Measurement updating period: 1s.
Accuracy: 0.1%
Energy accuracy
Active (according to IEC 62053-22) Class 0.5 S.
Reactive (in acc. with CEI 62053-23) Class 2
Auxiliary power supply
Alternative voltage: 110 … 400 VAC.
AC tolerance: ± 10%.
DC voltage: 120 … 289 VDC.
DC tolerance: ± 20%.
Frequency: 50 / 60 Hz.
Power consumption: 10 VA
Pulse or alarm output
Number: 1.
Type: 100 VDC - 0.5 A - 10 VA.
Max. number of manoeuvres: ≤ 108
Inputs
Number: 3.
Power supply: 10 … 30 VDC.
Minimum width of signal: 10 ms.
Minimum length between 2 pulses: 18 ms.
Type: Optical couplers.
Communication
Link: RS485.
Type: 2 to 3 half duplex wires.
Protocol:: MODBUS® in RTU mode.
MODBUS® speed: 1400 … 38400 baud.
Operating conditions
Operating temperature range: - 10 … + 55 °C / +14 °F … +131 °F.
Storage temperature: - 20 … + 70 °C / -4 °F … +158 °F.
Relative humidity: 95%
Basic device
DIRIS A-20 Auxiliary power supply Us
# 4825 U200 - Aux 110-240VAC / 120-250VDC
Plug-in optional modules:
# 4825 0082 - RS485 MODBUS® communication.
