Summary of Contents for Grid Insight NB-407
- Page 1 UIDE DRAFT 900 MHz Data Receiver Model NB-407 a.k.a. “Naselle B” 182 Howard Street, Suite 632 San Francisco, CA 94105 USA Phone: 1-415-449-4757 www.gridinsight.com...
- Page 2 NB-407 User Guide Copyright © 2014 Grid Insight. All rights reserved. Grid Insight is a trademark of Gregory C. Hancock d/b/a Grid Insight and has been filed for registration with the US Patent and Trademark office. Itron and ERT are trademarks of Itron Inc. Badger and ORION are trademarks of Badger Metering, Inc.
- Page 3 NB-407 User Guide Safety and Performance Guidelines When using the Grid Insight device, you must follow a few simple guidelines. Not following them may be dangerous or illegal. Please read the remainder of this user guide carefully for additional information.
- Page 4 Consult your shipper’s dangerous goods department or an IATA- trained dangerous goods shipping specialist for more information on how to safely and legally ship the Grid Insight device. For example, the package may need to be labeled with something like the following:...
-
Page 5: Declaration Of Conformity
NB-407 User Guide DECLARATION OF CONFORMITY According to FCC Part 15 Responsible Party Name: Gregory C. Hancock d/b/a Grid Insight Address: 182 Howard Street, PMB 632 San Francisco, CA 94105 Telephone: 415-449-4757 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. -
Page 6: Specifications
4” H x 2 7/8” W x 1 1/4” D Weight 3.8 oz Enclosure material UL-rated molded ABS plastic Indicator LEDs The NB-407 uses three LEDs to communicate important status information as follows: GREEN YELLOW Bluetooth connection status Serial data activity Charging status... - Page 7 Discrete channelization is required by FCC Part 15.247. Still other models use several chunks of non-adjacent channels. The NB-407 handles all this variation listening to a wide frequency range all at once rather than hopping around. This allows it to receive almost all of the transmissions from the target transmitter, despite the fact that they are being transmitted on a variety of channels.
-
Page 8: Interface Specification
NB-407 User Guide MHz band, so the wideband receiver is susceptible to interference from other 900 MHz devices such as older cordless phones and baby monitoring systems. The presence of interference may further limit the receiver's range, but you can always overcome the interference by moving the receiver closer to the metering endpoint. - Page 9 NB-407 User Guide Sent: VOLT<CR><LF> Received: $VOLTS,4.179*5B<CR><LF> Every valid AMR data packet received by the device is output on the serial interface in the form of a one- line data sentence. Details appear later in this document. Here is an example indicating reception of an...
- Page 10 NB-407 User Guide In addition to the data sentences representing received data, every command also triggers the receiver to output a data sentence. Command response sentences are therefore interspersed with receiver data sentences in the serial data stream. Each sentence type, whether command response or received data, can be distinguished from by the five-digit sentence type prefix.
- Page 11 NB-407 User Guide 1. UMBOM 2. Endpoint serial number (ID) 3. Consumption register 4. Flags 1 (8-bit decimal bitfield) 5. Flags 2 (8-bit decimal bitfield) 6. Signal strength (dB scale) Following everything is *XX where XX is an eight-bit hex value representing the XOR checksum of the ASCII sentence after the “$”.
- Page 12 NB-407 User Guide Figure 1. Windows 7 taskbar showing Bluetooth icon (circled in red) Switch on your receiver. The green LNK (link) LED will flash to indicate that the receiver is ready to accept a Bluetooth connection. Right click the Bluetooth icon, then select Add a Device.
- Page 13 NB-407 User Guide DRAFT Figure 3. Windows 7 Bluetooth pairing dialog NOTE: You may be asked to enter the pairing code provided by the device manufacturer. If so, enter 1234, the pairing code printed on the device. The Windows Bluetooth manager will information you that the device is installed: Figure 4.
- Page 14 This is normal. Using a Serial Terminal TeraTerm is a free serial terminal application that runs on Windows and works well with the Grid Insight receiver. You can obtain a copy from http://ttssh2.sourceforge.jp/. Launch TeraTerm. In the New connection dialog, you'll see two new virtual COM ports. The first of these is used to communication with the device's serial interface.
- Page 15 NB-407 User Guide DRAFT Figure 6. Boot message and received data Charging and Battery Monitoring Charging can take up to 8 hours. Charging should only be done with the supplied micro-USB charging adapter. The receiver supports the VOLT command to query the current rechargeable lithium-ion battery voltage.
-
Page 16: Firmware Update
The device is equipped with a firmware bootloader that allows the device's application firmware to be updated by the end user. The installed application firmware version number is included in the boot message output to the Bluetooth serial interface: ....***************************************************** Grid Insight "Naselle B" Firmware v. 0.0.7 (BETA) - Page 17 After pressing ‘!’, you will see the bootloader prompt: ... Energy Micro EFM32G Bootloader 1.6.5 Grid Insight "Naselle B" mod v. 1.0.1 ChipID: 24353B0252EEEB41 DRAFT The bootloader is intentionally very simple in order to fit it in a small memory space. The following...
-
Page 18: Performing The Update
When the upload completes, press “c” to verify the firmware checksum matches the value provided by Grid Insight. If the value does not match, you will need to re-run the firmware upgrade. If the checksum matches, press “b” to boot into the new application firmware.
Need help?
Do you have a question about the NB-407 and is the answer not in the manual?
Questions and answers