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OT-301SL  |  OT-301DL  | OT-301 |  OT-302D  |  Position Sensing Modules
OT-302D Display Module

Optional Display Module For ON-TRAK Position Sensing Amplifiers.

The OT-302D is an optional display module for ON-TRAK position sensing amplifiers. The microprocessor controlled display takes the analog voltage output from the position sensing amplifiers and converts this to absolute position in millimeters or inches. The X and Y position output and SUM output are displayed on a LCD backlight display.

The OT-302D features RS232 communication to set metric or English position, scale factors for different size detectors, display update speeds and many more functions. The RS232 has a continuous or on demand position update for data logging and control.

The OT-302D Display Module can be controlled through the RS232 comm port with the following settings: 9600 Baud Rate, 8 Bits, 1 Stop Bit, No Parity.

The OT-302D software is resident in the on board eeprom so no external software is required. All commands are available through the RS232 port.

The OT-302D can also be used as a stand alone instrument. The front panel has two push buttons that set display update speed to slow/fast and engage the zero offset. Simultaneously pushing both buttons puts the OT-302D into a configuration mode that allows the user to set:

English (in) or Metric (mm)
PSD Size (2, 2.5, 4, 5, 10, 20, 30mm)
Display Update Speed (1/10 second intervals)
After the last option is selected the display returns to position display mode. 

302D Display Module
302D Back

302D AmplifierSoftware Control Functions

a = average value in 1/10 second intervals
d = default selection (for multidrop)
e = echo on/off (echoes commands)
f = fast/slow averaging (slow is 4x fast)
h = help display commands
i = assigns ID number
j = X offset adjust
k = Y offset adjust
l = sensor length in mm
m = metric or English
n = sum offset adjust
o = sets current value to zero
p = data scroll
q = quiet mode
r = return position value
s = unit select
v = version and status display
w = write to eeprom
x = gain calibration X
y = gain calibration Y
z = gain calibration SUM
 
Specifications: OT-302D Display Module
Resolution 0.0001 inch, 0.0001mm
Update Speed 0.1 sec to 25.5 sec
Power Supply 12VDC 500mA wall adapter
(Negative Center)
Input Voltage (302D Display module only) X, Y and Sum )to +/- 10V

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