Related Manuals for Leviton Energy Monitoring Hub A8812
Summary of Contents for Leviton Energy Monitoring Hub A8812
- Page 1 Energy Monitoring Hub – Data Acquisition Server Installation and Operation Manual Model A8812 PowerMeterStore 1.800.561.8187 www. Shop for Power Metering products online at:...
- Page 2 LIMITED FIVE YEAR WARRANTY AND EXCLUSIONS Leviton warrants to the original consumer purchaser and not for the benefit of anyone else that this product at the time of its sale by Leviton is free of defects in materials and workmanship under normal and proper use for five years from the purchase date.
- Page 3 Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at their expense. Modifications of this product without the express authorization of Leviton nullify this statement. PowerMeterStore 1.800.561.8187...
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Page 4: Table Of Contents
Table of Contents Overview .......................................... 5 Installation Checklist ......................................5 Markings and Symbols: ....................................5 Hardware Overview ......................................6 A8812 Features and Specifications ..............................6 Electrical Connections ..................................7 Hardware Installation ................................... 7 Basic Network Configuration ..................................10 Laptop/Computer Setup ..................................11 Energy Monitoring Hub Administration Overview ............................ -
Page 5: Overview
Ethernet Cat 5 cable (required for LAN or direct laptop-to-Energy Monitoring Hub connection) Optional hardware Leviton Series 2000 and 3000 meters (Modbus RTU standard). Analog sensors for temperature, humidity, etc. Pulse output transducers for measuring gas, electricity, water, etc. from existing meters and sensors. -
Page 6: Hardware Overview
Hardware Overview A8812 Features and Specifications Processor Arm9 embedded CPU, Arm7 io coprocessor Operating System Linux 2.6 Memory 32 MB ram, 16 MB flash 8x input, 4 modem activity, Modbus TX/RX, power, system, io status Console 2 x 16 character LCD, two pushbuttons RJ45 10/100 Ethernet, full half duplex, auto polarity Protocols Modbus/RTU, Modbus/TCP, TCP/IP, PPP, HTTP/HTML, FTP, NTP, XML, SNMP-Trap... -
Page 7: Electrical Connections
Electrical Connections A8812 Internal View Not available with this model Hardware Installation Step 1 - Unpack materials: Remove all materials from shipping box and verify all required components are available Step 2 - Mount the Energy Monitoring Hub on the wall or other appropriate location. PowerMeterStore 1.800.561.8187 www. - Page 8 Note: Some Modbus devices do not use the same label notation as the Energy Monitoring Hub. The Energy Monitoring Hub A8812 internal IO module (Analog and pulse inputs) uses Modbus address 250, and will show up in the Modbus device count as a single Modbus device. Additional analog or pulse input IO modules may be added to the Modbus loop as needed.
- Page 9 D. Verify that the number of devices located by the server (the total of OK, fail and new) matches the number of devices actually installed and connected. For a first time installation, all devices should appear as “new”. The Energy Monitoring Hub A8812 Internal IO (pulse and analog inputs) appear as one device in this list. PowerMeterStore 1.800.561.8187...
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Page 10: Basic Network Configuration
(Note: A “device” is the Modbus connected device, not necessarily the sensor. For example, an A8923-4 I/O module with 4 sensors connected is only one Modbus device, not four.) For further information on the LCD console, please review the console section of this manual. E. -
Page 11: Laptop/Computer Setup
C. Press the select button again to see the IP address menu: [IP Address] 192.168.40.50 D. At this point, the cursor on the display will be blinking on the first number in the IP address on the second line. E. To change the number, press the menu (top) button and the display will cycle through the digits 0-9 as well as “.”. - Page 12 If the Laptop is to be attached to an existing LAN, obtain a static IP address (or use DHCP addressing) from the network administrator. Static IP Address for the laptop DHCP Direct Connection to Laptop Specify an IP address Obtain an IP address automatically. IP Address: 192.168.40.1 IP address: ___.___.___.___ (All other required settings are assigned...
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Page 13: Energy Monitoring Hub Administration Overview
Some devices may require additional information. For example, the Veris H8238 Multi circuit power meter allows the CT size to be specified. The Leviton A8332 Module and the A8812 Energy Monitoring Hub internal IO module have additional configuration options on each data point line to specify the details of the analog or pulse input. These include the 4-20mA device scale, multipliers and engineering units. -
Page 14: Security
F. Click "Apply" to save your changes. If you select a manual transfer method, remove (blank out) the target address in the Modbus/Upload Data page. Security The Energy Monitoring Hub has three levels of security. These are “operator”, “user” and “admin”. When using a browser to access the Energy Monitoring Hub, basic http authentication is used to prompt your browser for a username and password. -
Page 15: Device List Options
the firmware. At the bottom of the device list, there is an option to allow you to rename all the devices listed. This is useful for initial deployments. There is also a troubleshooting link that will look for common configuration problems and alert you to the appropriate solution. -
Page 16: Device Details
Device Details The device detail page will show a list of all the meter data points, alarm settings and console options. The data point names for most devices are automatically entered. Some devices such as the A8332 io module have generic inputs, and will be labeled as “pulse input #1”. -
Page 17: Manual Device Add Options
Manual Device Add Options Modbus devices may be added manually by clicking on the “add” link on the bottom of the Modbus device list page. This option is intended for use when adding devices to the configuration profile prior to installing the physical hardware, or configuring Modbus/TCP devices that will not automatically populate in the Modbus device list. -
Page 18: Internal Io Configuration
Internal IO Configuration The A8812 Energy Monitoring Hub provides 8 multipurpose flex inputs on board. The onboard io inputs will always be device 250 in the device list. 1. Click on the device number 250 in the device list. A page showing the device inputs will be presented. Each input has 5 lines on this page. - Page 19 for your sensor. The input configuration must be completed for each input that is in use. Sensor Name: change this to describe the input. This can be anything you wish, such as “Indoor Temperature” Input Mode: Select from one of the following: Voltage 0-10v, Current 4-20mA, Resistance, Pulse, Pulse-KYZ, status or Unconfigured.
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Page 20: Troubleshooting Modbus Devices
Troubleshooting Modbus Devices If the device you have attached does not appear in the Modbus device list, check the following: Verify the + (red), - (black), and Shield connections are correct on all connections. Look for any connection in the middle of the loop that may have the wires reversed, or shorted together. -
Page 21: Alarm Setup
default is 9600, most Modbus devices communicate at this speed as well. Multiple baud rates may be selected in this menu. If multiple rates are selected, the Energy Monitoring Hub will automatically detect the baud rate of each Modbus device from the chosen options. -
Page 22: Modbus Framework
Sender Address: The address that will be used in the “From:” line of the email. This is helpful in identifying the source of the alarm email message. If your SMTP mail server has junk filtering, you may be required to use a sender address that matches a mailbox address on the SMTP mail server;... -
Page 23: Networking
A list of attached Modbus device addresses will be shown on the third line. This is a list of addresses that the ModHopper has automatically detected on the local RS485 port. The graph will print strong links in thick green lines. Lines progress from green, to yellow, to red to indicate weak links. Networking Network Status This page displays the current status of the Energy Monitoring Hub network connections. -
Page 24: System Options
Windows domain servers can also provide NTP. If possible use NTP as it is a more robust protocol. Time Server: Specify the DNS name or IP address of your time server. The default “time.Leviton.com” can be used if the Energy Monitoring Hub has a connection to the Internet. The Energy Monitoring Hub will attempt to synchronize time with the time server every time an upload session. -
Page 25: System Logs
The Energy Monitoring Hub can upgrade its own firmware using the firmware update page. The Energy Monitoring Hub must have an Internet connection to communicate with the Leviton.com website for firmware updates. If a LAN connection is present and configured, it will be used by default. If the Energy Monitoring Hub uses a dialout connection, you must first enable the dialout by clicking the “dialout now”... -
Page 26: Diagnostics
The analog/pulse io co-processor firmware. When clicking on the Upgrade button, the Energy Monitoring Hub will again contact the Leviton .com website and download the requested firmware image file. The Energy Monitoring Hub will take a few seconds to verify the file checksum and prompt you with an “Install”... -
Page 27: Lcd Console
Closing TCP connection Shutting down system debug logger Test complete Note in the last section where SUCCESS is indicated. The failure is due to the password not being correct. LCD Console The Energy Monitoring Hub has an LCD console and two push buttons labeled “menu” and “select”. These can be used to configure some of the basic features of the Energy Monitoring Hub. -
Page 28: Log File Data
The Energy Monitoring Hub has a built in io module with 8 flex-I/O inputs. This module shows up in the Modbus listing as device 250, and is counted in the number of devices OK or New. I.e., if you have 1 Energy Monitoring Hub A8812 with a single Modbus power meter, the device count will be 2. -
Page 29: Log File Format
will show the amount of storage capacity that is used by the existing log data. Below, a list of Modbus device log file will be displayed along with the file size and timestamp when the file was last modified. Each Modbus device may have multiple log files. The log file name starts with “mb-xxx.” where xxx is the Modbus device id number. -
Page 30: Log Storage Capacity
No such device Too many open files in system Too many open files Text file busy No space left on device Broken pipe 101 Network is unreachable 110 Connection timed out 111 Connection refused 113 No route to host 129 Illegal Function (function was not allowed by the slave device) 130 Illegal Data Address (the data address is not allowed by the slave device) 131 Illegal Data Value 132 Illegal Response Length... -
Page 31: Uploading Data To The Lem Website
After the Energy Monitoring Hub has been configured and has logged some data, you will want to collect the data for analysis. There are several ways of collecting the data from the Energy Monitoring Hub including the Leviton Energy Manager hosted online service. Other methods are noted in the data collection FAQ. This section details configuring the Energy Monitoring Hub for use with the Leviton Energy Manager website (*Note: model # A8812-001 is pre configured with these settings). -
Page 32: Retrieving Data From The Energy Monitoring Hub
Enertrax download direct from the Energy Monitoring Hub Leviton provides a free tool called Enertrax DL that can automate the process of downloading log data from the Energy Monitoring Hub to your Windows PC hard drive. Enertrax DL can merge new log data into existing log files on your computer as well as provide configuration information about the Energy Monitoring Hub. -
Page 33: Http/Post Upload To Energy Manager
HTTP/Post Upload To Leviton Energy Manage - Online Energy Monitoring Hub sends data to the Leviton Energy Manager Data Center Easy to install and start up; first data in 15 minutes WEB based system-access data from any web browser ... -
Page 34: Http/Post Upload To Your Database Server
The Energy Monitoring Hub can provide Modbus device data in XML format. This feature, coupled with browser based AJAX (Javascript) can provide a very powerful tool to allow the creation of custom web pages. Further examples of XML and its uses are available on the Leviton website in the Documentation/Technotes section. PowerMeterStore 1.800.561.8187... -
Page 35: Mechanical Drawings
Mechanical Drawings The Energy Monitoring Hub uses a metal enclosure that is approximately 9.25” x 8” x 2” deep. The Enclosure has a tab on the bottom that requires 2.5” clearance. Two 1.2” holes are provided in the bottom of the Energy Monitoring Hub for wiring purposes.
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