MASSA PRODUCTS CORPORATION June 11, 2013
Product Manual 17 M3 Wireless Ultrasonic Level Sensor
9.2.12 Ultrasonic Waveform Gain Register (addr = 110)
The Ultrasonic Waveform Gain register is used to independently control the gain for the Ultrasonic Waveform routine.
Programmed for 0 will set the gain to Low, and programming it to 1 will set the gain to High. Set this to High for most
applications.
9.2.13 Ultrasonic Waveform Temperature Register (addr = 111)
The Ultrasonic Waveform Temperature register is updated every time the Ultrasonic Waveform is acquired. This register is
included in with the rest of the header bytes of the ultrasonic waveform.
9.2.14 Serial Number Register (addr = 115-118)
This register contains the sensor’s 4 byte serial number and is a read only register. Register 118 is the most significant byte.
10.0 Digi’s ConnectPort™ X2 & X4 Gateways and Python Script
10.1 Description
Communicating with the M3 Sensor will require a Digi ConnectPort™ X2 or ConnectPort™ X4 Gateway. The M3 Application
Software will provide the user with an evaluation tool accessing all of the sensor’s features. Since the X2 model does not have a
serial port, it cannot be used with the M3 Application Software. To use this software will require a python program specifically
written for a serial port communications between the gateway and PC. File name for this python code is
“massa_gateway_appl.py” and can be found at www.massa.com. See section 12 for setting up the gateway with this python code.
For custom python application programs, consult Massa Products for more information.
11.0 Reprogramming Sensor’s Firmware
11.1 Description
Massa M3 Software will allow upgrading the sensor’s firmware. See www.massa.com for the most up to date firmware. The
latest software will also contain the latest firmware release.
12.0 Getting Started Guide
Using the M3 Application Software should be your first step in evaluating your ultrasonic level sensing application. The wireless
connection bridge between your PC and the M3 Sensor is the Digi ConnectPort X4, X8 or iDigi Gateway. The gateway must be
set up for use with the M3 application software which includes loading python code from Massa’s web site, adjusting gateway
poll timeout settings, and setting up the gateway’s serial port. Setting up the gateway is done through the Ethernet connection
while the M3 Software communicates through the PCs serial port. Once the gateway is set up, you will no longer need the
Ethernet connection. Here are the steps necessary to successfully start evaluate the M3 Sensor using the M3 Application
Software. The screens shown below are all from ZB series radios.
1) Purchase either a ZB ConnectPort X2 or X4 gateway from Digi International Inc. There are several models to choice
including XBee to Ethernet or XBee to Ethernet and cellular. If using this iDigi Platform, refer to Massa’s M3 and Digi
Gateway User’s Guide for additional information.
2) M3 Sensor which contains a ZB radio firmware.
3) Other required items include:
a. A personal computer with Ethernet port and serial comm. port.
b. If serial comm. port is not available on the PC, then select a USB port. Using a USB port will require a
USB/RS232 converter that can be purchased at http://www.massa.com.
c. Serial null modem cable, 9 pin female/female p/n AE9879-ND at http://www.digikey.com
d. Ethernet cable (preferred method of communicating with sensor)
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