55. eMT3000 Series Hardware Protection
How to Enhance eMT3000 Interference Resistance?
The aluminum enclosure of eMT3000 Series has already provided good electric interference resistance, however, the interference may enter the unit through other path, and cause the pointer to jiggle during operation. The problem can be solved by adding some protection.
The following steps demonstrate how to enhance interference resistance.
Step 1. Update OS Image version.
eMT31xx Update OS Ver.20120629 and previous versions to fw_imx51_2012630.zip Update OS Ver.20120713 and later versions to fw_imx51_20121127.zip Reference eMT3000_series_Firmware_Upgrade.pdf
Step 2. Connect the FG on the power connector of the unit to the ground.
Step 3. Separate the brackets, the unit, and the control box by attaching black insulation tube or insulation tape over the holes.
A: Isolating the brackets
Before
After (Use black insulation tube.)
(Use insulation tape.)
B: Attach insulation tape around the edge of the panel cutout.
