User`s guide

MASSA PRODUCTS CORPORATION
Product Manual- April 24, 2012 19 M3 Wireless Ultrasonic Level Sensor
APPENDIX A (continued from previous page)
Miscellaneous Sensor Information
LED Behavior
Following is the lookup table for the behavior of the LED:
Rebooting Sensor Manually
To restart a sleeping sensor, remove battery and then press the commission button for several seconds. Reinstall battery.
Firmware Releases
As of this writing, gateway Xbee firmware is 21A0 and sensor is 29A0. See massa.com for the most up to date
releases including sensor firmware.
Minimum Sensing Distance over Higher Temperatures
Temperature that exceed values indicated below will pose a slight variance in reporting a linear measurement when
target approach the indicated minimum distances. The sensor’s reported range will be the minimum specified distance
when the target is at this distance.
Model M3/150 Model M3/95
LED Behavior Description
OFF No power, battery voltage too low, or sensor sleeping if powered
RED quick flash every 2 seconds
Sensor is joined with a ZigBee network, if stays in this mode, then Deep Sleep = 0.
RED quick flash every 2 seconds
followed by an extended OFF period
Sensor is joined to a Zigbee network which then goes to sleep per programmed Awake
setting and remains OFF for the programmed Deep Sleep setting.
RED 3 to 50 seconds steady ON
Un-associated state attempting to join ZigBee network.
RED quick flash once a minute
Sensor is not joined to a Zigbee network and the Deep Sleep Timer = 0. Once joined,
sensor will quick flash every 2 seconds. May take up to 1 hour to join.
RED multiple blinking
Sensor was requested to read, write, obtain waveforms or other requests.
RED flash every ½ second
for 30 seconds
Commission button pressed followed by other behaviors indicated above after 30 sec
GREEN 3 blinks followed by RED
Sensor was rebooted
RED 2 Hz flash, GREEN 1 Hz flash
Error: Application firmware not present
Temperature Min Sensing Distance
< 25°C 4.25”
25°C to 40°C 4.5”
40°C to 50°C 4.75”
50°C to 60°C 5.0”
≥ +60C 5.25”
Temperature Min Sensing Distance
All 12”