Description
The DIRIS A-30 is a kilowatt hour (kWh) energy and power meter that communicates on a EIA RS-485 network, Measures 1, 2, or 3 phases, 50 to 600 Vac (phase/phase) and 28 to 600 Vac (phase/neutral), Currents from 5 to 6,000 (5 amp output CT), is panel-mounted, add on input/output modules allow for up to 3 pulse inputs and 1 pulse output, has a backlit LCD display, the ability to detect incorrect wiring and automatically correct CT installation errors, is instrument powered from 110 – 400 Vac, is ANSI C12.20 Class 0.5, IEC 61557-12, and UL 61010. Meter purchase page.
Key Features
- Backlit LCD display
- Pushbuttons to access all the measurements on the display
- Wiring errors detection
- Four Module inputs
- ANSI C12.20 Class 0.5 accuracy
- UL 61010, IEC 61557-12
Modules
- Ethernet – Modbus/TCP & 1 to 247 slaves (48250204)
- Ethernet – Modbus/TCP (48250203)
- Modbus RTU RS-485 (48250092)
- Profibus DP (48250205)
- Memory (48250097)
- 2 pulse inputs – 2 pulse outputs (48250094)
- 2 pulse outputs (48250090)
- 2 analogue outputs (4-20mA) (48250093)
Standards and Regulations
- IEC/EN 61010-1
- UL 61010-1, CAN/CSA C22.2 No. 61010-1, UL file number: E257746
- ANSI C12.20 Class 0.5
Communications
- Communication Ports: RS485, output
- Communication Protocols: Modbus RTU
Measurements
General
- AC Voltage and Current
- 50/60 Hz
- +/- kWh, +/- kvarh, kVAh
- V1, V2, V3, U12, U23, U31, f
- I1, I2, I3, In, ∑P, ∑Q, ∑S, ∑PF
- P, Q, S, PF per phase
- Voltage Ph/N unbalance
- Voltage Ph/Ph unbalance
- Current unbalance
Power Quality
- Power Quality measurements:
- THD V1, V2, V3, U12, U23, U31, I1, I2, I3