ABB VSN730 Product Manual
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ABB VSN730 Product Manual

System monitor
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VSN730 System Monitor

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Summary of Contents for ABB VSN730

  • Page 1 ABB solar monitoring Product manual VSN730 System Monitor...
  • Page 2 Operators are required to read this manual and scrupulously follow the indications reported in it, since ABB cannot be held responsible for damages caused to people and/or things, or the equipment, if the warranty conditions are not observed. IMPORTANT SAFETY INSTRUCTIONS This manual contains important safety instructions that must be followed during installation and maintenance of the equipment.
  • Page 3 VSN730 System Monitor Product Manual Not included in the supply ABB accepts no liability for failure to comply with the instructions for correct installation and will not be held responsible for systems upstream or downstream the equipment it has supplied. It is absolutely forbidden to modify the equipment.

  • Page 4: Table Of Contents

    Configuration for a weather station device ..................19 Troubleshooting ........................21 Troubleshooting guide ........................21 Troubleshooting/Resetting a data logger ..................22 How to contact ABB technical support ..................... 23 System monitor specifications ..................... 24 Data logger / Internet gateway specifications .................. 24 Power supply electrical specifications....................26 Conduit entry specification ........................

  • Page 5: System Overview

    VSN730 System Monitor Product Manual System overview The VSN730 System Monitor is a cost-effective solution for remote data acquisition and reporting of PV system data. The System Monitor enables smaller commercial installations with multiple inverters to benefit from advanced energy reports, energy analysis, and troubleshooting. The System Monitor collects and analyzes energy generation data from all connected inverters as well as weather station data (optional).

  • Page 6: Components

    Power-One legacy weather station. Inverters can be single-phase or three-phase string inverters. The VSN730-05 has no software limitations on the number of devices it can monitor, but it is recommended that no more than 20 devices be connected to each port.

  • Page 7: Installation

    Do not change the factory pre-wiring. Modification to the factory pre-wiring, without authorization from ABB, may cause lethal shock and/or fire hazards and voids the product’s warranty. Make sure all power is switched off before performing installation.

  • Page 8: Preparation

    VSN730 System Monitor Product Manual Preparation Make sure you have the following tools and materials prior to starting installation. Tools Standard Electrician’s Toolkit • Drill capable of penetrating the System Monitor enclosure • Personal Protective Equipment (Gloves, Goggles, Clothing •...

  • Page 9: Protective Earth Grounding

    VSN730 System Monitor Product Manual The use of UL 514B type conduit fittings are required to maintain the NEMA 4/4x/12 rating of the enclosure. The maximum size conduit that may be used on a System Monitor product is 1 inch.

  • Page 10: Rs-485 Cabling And Connections

    VSN730 System Monitor Product Manual To verify the power connection, turn on the power line connected to the System Monitor. Check the data logger power. There is a pair of light emitting diodes (LEDs) on the side of the data logger, opposite the RS-485/DC power terminal block.

  • Page 11: Cable Requirements

    120 Ohm resistance across the D+ and D- conductors to minimize signal reflection due to impedance mismatch. ABB inverters have a switch on their communication boards for setting the termination resistance. The farthest inverter in the daisy chain must be terminated by setting the inverter termination switch to ON.

  • Page 12: Commissioning

    Ensure that the wireless connection is operational with a laptop before connecting it to the Eth0 port of the data logger. ABB does not provide Internet service or the cables required to connect the data logger to the Internet.

  • Page 13: Configure The Data Logger

    VSN730 System Monitor Product Manual Configure the data logger The installer must use a laptop with an Ethernet cable to communicate directly to the data logger’s web-based user interface for configuration. The data logger’s user interface has many options and capabilities, but here we only describe those necessary to get your system up and running.

  • Page 14: Configure For Inverters

    In a typical installation, ABB (and/or Power-One) inverters should be connected in a daisy-chain to the data logger’s Secondary RS-485 port through the surge protection device on the left (Aurora Protocol).

  • Page 15: Set A Static Ip Address

    VSN730 System Monitor Product Manual inverters can be discovered using the Find button to the right of the Modbus RTU interface they are connected to. In the Modbus Device Discovery window click Start and then wait for it to find all your connected inverters.

  • Page 16: Verify Internet Connectivity To Aurora Vision Servers

    VSN730 System Monitor Product Manual Verify Internet connectivity to Aurora Vision servers 1. Verify that the Ethernet cable is connected between Eth0 and your network. 2. The data logger acts as a router. From your laptop connected to Eth1, verify internet...
  • Page 17 VSN730 System Monitor Product Manual 1. Log on to Plant Portfolio Manager at and go to Plants > Management. www.auroravision.net 2. Select the customer’s plant from the asset list in the screen area to the left. 3. Once the correct asset is displayed, select Plant Viewer from the Actions menu.

  • Page 18: Adding An Abb Weather Station

    Modbus RTU devices. Power for the weather station can be tapped from the +24VDC and DC COM landing blocks. The VSN800 can use the 24VDC power from the VSN730, but 24VDC power is not required. The VSN800 can operate using power in the range 10-30VDC.

  • Page 19: Configuration For A Weather Station Device

    VSN730 System Monitor Product Manual 3. Connect DC power to the weather station using twisted-pair wire. Do not use the DC power supply or ground connectors on the data logger’s terminal block to power the weather station. The weather station can tap the VDC+ (24+) and VDC- (24-). Using the System Monitor as the power source is optional;...
  • Page 20 VSN730 System Monitor Product Manual 3. Select SunSpec Compatible Device as the Device Type from the pull-down menu. 4. Set the Slave Id field to the Modbus address of the weather station. Note that for the VSN800- 12 and VSN800-14 weather station models the default Modbus address is 60.

  • Page 21: Troubleshooting

    4. If all of the previous steps are correct restart the data logger by unplugging and then supplying power to the data logger. 5. If all of the previous steps do not help this issue contact ABB Technical Support. Issue: data logger is not receiving power.

  • Page 22: Troubleshooting/Resetting A Data Logger

    5. Power cycle the data logger and wait for another three minutes and check the changes. 6. If all of the previous steps do not help this issue contact ABB Technical Support. Issue: I do not see recent data for an inverter.

  • Page 23: How To Contact Abb Technical Support

    If you require an advance replacement to be shipped before the RMA unit has been received by ABB, you will need to submit a valid purchase order for the replacement unit, referencing the RMA# on the P.O. When we receive the faulty unit, we will credit the cost of the replacement, if it is covered by the warranty.

  • Page 24: System Monitor Specifications

    Two RS-485 serial ports supported on a single screw terminal block. Supports baud rates • up to 115200bps. Up to 10 ABB or legacy Power-One string inverters and one ABB or legacy Power-One • weather station are supported by the System Monitor. Inverters can be single-phase or three-phase string inverters.
  • Page 25 (preferred) Network Hosts The logger will connect to the following hosts. Some servers are owned by ABB, and others are customer or ISP servers. Servers listed as owned by “Customer IT/ISP” must be configured in the logger using either DHCP or static network information.

  • Page 26: Power Supply Electrical Specifications

    VSN730 System Monitor Product Manual Logger Network Configuration The logger requires a valid network configuration in order to operate. This information can either be provided by a DHCP server provided by the customer’s network (the default), or the logger can be configured with static network information.

  • Page 27: Weather Station Power Wire Sizing

    VSN730 System Monitor Product Manual Weather station power wire sizing If you are connecting a weather station to the System Monitor for power, this table will help you determine the minimum recommended wire size for the remote device power cable based on the one way distance along the wire run.
  • Page 28 VSN730 System Monitor Product Manual Contact us www.abb.com/solar...

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