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AcuDC 300 Series
Quick Setup Guide
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Safety Notice
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Appearance and Dimension
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Environment
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Front Case Removal & Attachment
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RS485 and Ethernet Ports
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Power Supply Terminal Wiring
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Voltage Input Terminal Wiring
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Current Input Terminal Wiring
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DIN Rail Mount For Cable Installation
Meter Model
AcuDC-301-1000-650-P2
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Summary of Contents for AccuEnergy AcuDC 300 Series
- Page 1 AcuDC 300 Series Quick Setup Guide • Safety Notice • Appearance and Dimension • Environment • Front Case Removal & Attachment • RS485 and Ethernet Ports • Power Supply Terminal Wiring • Voltage Input Terminal Wiring • Current Input Terminal Wiring •...
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Page 2: Safety Notice
Read this document and following symbols carefully before the installation, operation and maintenance of the AcuDC 300 meter. Accuenergy is not responsible or liable for any damages or injuries caused by improper meter installation and/or operation. • Prior to maintenance and repair, the equipment must be de-energized and grounded. - Page 3 500 imp/kWh 500 imp/kWh AcuDC-301-1000V-650A-P2 AcuDC-301-1000V-650A-P2 60-1000VDC 60-1000VDC CAT II CAT II 3.9-130(650)A 3.9-130(650)A -35°C~70°C -35°C~70°C CL. 0.5 CL. 0.5 *DE55020001* *DE55020001* DE55040001 DE55040001 Part Description Transparent front meter casing with accessible display 1) Front Casing and controls. 2) Pulse LED Indicator LED light to indicate energy pulse signal.
- Page 4 Environment Ensure the following specifications are met. Failure to do so may affect accuracy, impair system function, damage hardware, or pose safety risks. Transient Voltage Overvoltage Category II Altitude 0 to 2000m Pollution Degree 2 Operating & Storage Temperature Range –35°C to 70°C (–31°F to 158°F) Relative Humidity Range 0% to 95%...
- Page 5 500 imp/kWh AcuDC-301-1000V-650A-P2 60-1000VDC CAT II 3.9-130(650)A -35°C~70°C CL. 0.5 *DE55020001* DE55040001 500 imp/kWh AcuDC-301-1000V-650A-P2 60-1000VDC CAT II 3.9-130(650)A -35°C~70°C CL. 0.5 *DE55020001* DE55040001 RS485 and Ethernet Ports For Modbus-TCP/IP communication, an 10/100 Mbit/s CAT5 Ethernet cable (recommended) can be configured using IP configuration or DHCP. For Modbus-RTU via RS485 connection, the cable distance should not exceed 1200m.
- Page 6 Class 1 power adapter (sold separately) is used for the meter. The maximum current consumption is 0.3A at 9VDC. Accuenergy recommends using the AcuLink-RIK-PSU. 1. Use a 3 x 0.5 mm (DIN 5264) screwdriver to loosen the two power supply terminal screws from the meter.
- Page 7 Voltage Input Terminal Wiring To connect the voltage input terminal, ensure that the input range of 0 to 1,000VDC OVCII is used for the meter. The fuse of 1A/1500VDC is used in the volt- age input loop. 1. Use a 3 x 0.5 mm (DIN 5264) screwdriver to loosen the single voltage terminal screw from the meter.
- Page 8 Current Input Terminal Wiring To connect the shunt, ensure that the input range of -650A to +650A is used for the meter. The overcurrent is 19500A for 0.01 second. The shunt can be connected by cables or directly mounted on to a busbar. Busbar Connection Option The AcuDC 300 meter can be installed on a busbar, acting as both current input and mounting support.
- Page 9 Main Power Load Supply A+ B- S 500 imp/kWh AcuDC-301-1000V-650A-P2 60-1000VDC CAT II 3.9-130(650)A Shunt -35°C~70°C CL. 0.5 *DE55020001* DE55040001 DC: 9~36V After the electrical wiring installation is complete, refer to Front Case Attachment to reinstall the front cover. DIN Rail Mount For Cable Installation If cables are used for current input, a DIN rail is required as mounting support.
- Page 10 ③ 3. Release the clip lock back up to secure the AcuDC 300 onto the DIN rail, as illustrated. Accuenergy Inc. Los Angeles-Toronto-Pretoria North America Toll Free: 1-877-721-8908 Web: www.accuenergy.com Email: support@accuenergy.com Revision Date: May, 2025...
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