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Accura 2550DCM

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Accura 2550DCM - DC Power Meter

DC Power Measuring Meter

Accura 2550 DCM measures power from DC voltage and current
and provides event data on voltage and current measured with a resolution of 20 ms.

Accura 2550DCM

DC Power Measuring Meter

Accura 2550 DCM measures power from DC voltage and current and provides event data on voltage and current measured with a resolution of 20 ms.

Overview

Features

Specifications

FAQ

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Overview
Features
Specifications
FAQ
Download

Control Power Supply
Power supply voltage	Receives power from Accura 2500M with the internal communication cable
Power consumption	645 mW
Voltage/Current Inputs
Port name	Source(S) +, - / Load(L) +, -
Connector type	Busbar type terminal		Busbar 12 x 3 mm	SEMS Bolt M5 x 10
Weight	245 g		(Excluding mounting wings)
	250 g		(Including mounting wings)
Display
LCD features	25.6 x 26.0 mm Customized Mono HTN LCD
Button
SET button	Used to move to the measurement screen, enter the setup mode, and change settings
Connection with the Module¹
Dedicated communication	Connects with Accura 2500M or Accura 2550 module
	Protocol		Dedicated protocol of the manufacturer
	Connector type		RJ45 connector
	Communication cable		Internal communication cable
Measurement
Sampling frequency	12.80 kHz (sampling cycle 78 us) @50 Hz mode
	15.36 kHz (sampling cycle 65 us) @60 Hz mode
Measurement cycle(gapless)	Frame: 0.2 sec
Voltage	Model		Basic Voltage (Un)	Measuring Range (Accuracy Guaranteed)	Minimum Measured Value
	Accura 2550DCM	–500V–80A	500 Vdc	Up to 550 Vdc	5.0 Vdc
		–50V–80A	50 Vdc	Up to 60 Vdc	0.5 Vdc
	Measurement accuracy		±0.5 % Reading ± 0.05 % Un
	Measurement data		DC voltage, RMS voltage, Waveforms
Current	Model		Basic Current (Ib)	Measuring Range (Accuracy Guaranteed)	Minimum Measured Value
	Accura 2550DCM	–500V–80A	80 Adc	Up to 100 Adc	0.08 Adc
		–50V–80A
	Measurement accuracy		±1.0 % Reading ± 0.1 % Ib
	Temperature drift²		±0.02 % Ib / °C typical		Calibration temperature: 25°C
	Measurement data		DC current, RMS current, Waveforms
Power	Measurement accuracy		±1.5 % Reading ± 0.15 % Un*Ib
	Measurement data		DC power, Real power
Energy	Measurement accuracy		±1.5 % Reading ± 0.15 % Un*Ib
	Measurement data		DC energy measured by accumulating DC power values (Received / Delivered)
			Real energy measured by accumulating real power values (Received / Delivered)
Events
Measurement events	Voltage event, Current event
Measured value	Data measured over 20 ms @ 50 Hz mode, 16.7 ms @ 60 Hz mode
	DC or RMS (selectable)
Event type	Off / Over / Under (default: Off)
DO Operation associated with events	Digital outputs can be configured to operate when events occur.
Digital Output(DO)
Port name	DO, DO_G
Connector type	PCB terminal block (M2.6 / wire strip length 5 – 6 mm)
Wire specification / torque	0.14 – 2.5 mm² (26 – 14 AWG), copper / max. 0.34 Nm (3.5 kgf-cm, 3 lbf-in)
Output type	Latch, Periodic Pulse
Minimim pulse cycle	0.2 s
Minimum pulse width	0.1 s
Insulation	AC 2,500 V for 1 minute
Maximum rating	DC 60 V 350 mA max. 1 A
Environmental Conditions
Operating temperature	–20 – 70℃(–4 – 158℉)
Safe operating temperature³	–20 – 60℃(–4 – 140℉)
Storage temperature	–40 – 85℃(–40 – 185℉)
Operating humidity	5 – 95% (non-condensing)
Operating altitude	Up to 2,000 m
General
Warranty period	2 years

1. A total of 10 Accura 2550DCM meters can be connected to Accura 2500M with 5 modules per group.
2. Errors in current measurement might occur as the temperature changes according to the temperature applied for temperature calibration.
3. Compliant with the UL 61010-1 3rd edition

단계1. 디스플레이 모드에서 셋업모드 전환	단계1. 디스플레이 모드에서 셋업모드 전환

단계1. 디스플레이 모드에서 셋업모드 전환	단계1. 디스플레이 모드에서 셋업모드 전환

단계1. 디스플레이 모드에서 셋업모드 전환	단계1. 디스플레이 모드에서 셋업모드 전환

Direct DC Voltage/Current/ Power Measurement
Measures various power characteristics based on the sampled voltage and current data directly measured
Model		Basic Voltage	Maximum Voltage	Basic Current	Maximum Current
Accura 2550DCM	–500V–80A	500 Vdc	550 Vdc	80 Adc	100 Adc
	–50V–80A	50 Vdc	60 Vdc
DC Measurement Parameters
Voltage	DC voltage, RMS voltage, waveforms
Current	DC current, RMS current, waveforms
Power	DC power, Real power
Energy	Received/delivered DC energy, Received/delivered Real energy
Events
Voltage events	“Over” or “Under” event on measured voltage values
Current events	“Over” or “Under” event on measured current values
Internal Communication with Accura 2500M
Dedicated communication	Sends measurement and operational status data to Accura 2500M
	Number of connectable modules¹	In a single group	Up to 5 modules
		In two groups	Up to 10 modules
	Supports communication redundancy via device connections in a ring topology
Display
LCD features	25.6 x 26.0 mm Customized Mono HTN LCD
Power Supply
Power supply	Receives power from Accura 2500M