
ST-329BL LED Stroboscope Array
Operation Manual
Use in flammable environments is prohibited. Use in this manner may
result in fire or explosive.
Don’t look directly into the LED light Source. This may result in eye injury.
Don’t use or store in the following environments. Direct sunshine condensation, dust or caustic.
Do not alter, or modify of improperly. Such action may cause damage
and void warranty.
Operate with 0-35°C (32-95°F), 35-85% RH. Use outside of this range
may alter operation of the unit.
Case may become excessively hot when used continuously for more
than 2 hours. Mount unit on a tripod or other fixed device.
SHIMPO INSTRUMENTS
The ST-329BL is a permanent mount blacklight stroboscope
array utilizing super bright, CREE high powered LED lamps. The
ST-329BL’s LED array provides a bright, stable black light over
a wide measurement range with a lifetime far exceeding xenon
lit stroboscopes. The ST-329BL arrays are available in several
standard sizes from 9.25” (235 mm) to 65” (1650 mm) in length.
Custom sizes are available upon request. The arrays are easily mountable on production equipment. An optional mounting
adapter kit is available to aid in array installation. A separate control enclosure is connected with 6.5’ (2 m) cable to the array. Operation is simple with the 8 button keypad and large, backlit LCD
display. Phase shift, flash duration, plus flash rate are all quickly
adjustable via the control. The unit can work off user programmed
flash frequency or from a remote sensor’s signal which will automatically adjust to corresponding process fluctuations.
The ST-329BL is designed for speed and frequency measurements in the printing, packaging, textile, automotive, cable, medical industries in various applications.
SPECIFICATIONS
Flash Rate Range: 60 to 120,000 FPM
Accuracy: 0.01%±1 digit of F.S. @ 77° F (25°C)
Lamp Lifetime: Approximately 3~5 years depending on usage.
Display: Backlit LCD
Resolution: 60 ~12,000 FPM = 0.1 FPM; 12,001~120,000 FPM
= 1 FPM
Flash Duration: 0.1°- 2.5°
Phase Shift: 0-359°
Power Requirement: 100-120 VAC (Optional 220 -260 VAC
upon request).
Input Signal: 12 V Pulse Input; M-12, 3 Pin
Input Signal Range: 60-120,000 FPM
Input Pulse Width: Over 50 µs
Input Signal Flash Delay: 0-999 ms; 0-359°
Temperature Limits: 32-95°F (0-35°C)
Humidity Limits: 35 to 85% RH
Enclosure: Control - ABS; Array - ABS window & aluminum
frame
Mounting: Control: Magnetic mount to included bracket; Array:
Flanges for use with 6 mm bolts. Mounting bracket kit available
separately.
Enclosure Rating: IP65 - Control & Array
Dimensions: Length (See chart on page 6) x 6” (153 mm) x 3.5”
(90 mm)
Approvals: CE
Warranty: 1 year
Included Accessories: 6.5’ (2 m) AC power cord, 9.8’ (3 m)
control/array connection cable (5 pin)
Operation Panel Located on Control Enclosure
POWER: Power on and off.
MODE: Select mode of operation or Parameter Menu: Internal/
External/Parameter Settings
SET: Adjust Phase Shift; In Parameter Menu scroll through param-
eter settings, Store setting values.
x2: Multiplies the flash rate/frequency by a factor of 2.
1/2: Divides the flash rate/frequency by a factor of 2.
RATIO: Adjusts flash duration (flash pulse width) in Internal/Ex-
ternal modes.
“+”: Advance image forward 3 degrees at a time in internal mode.
In parameter setting mode, adjusts setting values.
“-”: Retard image backwards 3 degrees at a time in internal mode.
In parameter setting mode, adjusts setting values.
Dial: Set flash rate or frequency. CW: Increase flash rate/frequen-
cy. CCW: Decrease flash rate/frequency. (Turn dial quickly to
drastically change value; Turn dial slowly to change value by 1
digit.) In parameter setting mode, CW or CCW rotation changes the setting value.
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Dial

INSTALLATION
Mounting
The control box is easily mounted to a magnetic surface with its
included magnetic bracket. Pull off bracket from back of control
box and mount through screw/bolt holes to surface. Then attach
control box to magnetic mounting bracket.The LED array may be
mounted with its mount flange located on each end. 6 mm holes
are on the flanges. For additional mounting hardware to aid array
mounting the MK-320 mounting kit provides brackets that easily
connect to the array’s flanges.
Connections
Connect power cable to power connection on underside of array.
Connect control box to array with provided 5 pin connecrion cable. Note: Attach cable to bottom left side connector (5 pin) on
control enclosure.
M-12, 3 pin connector on bottom right side of control enclosure is
input control signal connection for external control.
FUNCTION INSTRUCTIONS
Mode Selection - To switch between INTERNAL, EXTERNAL and
PARAMETER menu, press and release the MODE key. For details
about Parameter setting mode, please refer to Parameter setting
menu section.
Internal Flashing Mode
LCD DISPLAY
Display
Parameter
Icons
Sub
Data Display
Main Data Display
•Flash rate value will be displayed in internal flashing or External trigger mode.
•Display will indicate “P” or “LCD” (in ON/OFF setting of LCD
backlight) in *Parameter setting mode.
*For details about Parameter setting mode, please refer to Parameter setting mode.
Sub Data Display
Internal Mode
•Phase Shift will indicate degrees of phase shift in internal flashing mode. To change the degrees of phase shift, press + or keys. The display will reflect the cumulative angle of phase shift.
Main
Data
Units
Flash Rate (Frequency Setting) in Internal Mode -
You can set the flash rate by turning the dial in the center of the
unit. To increase the flash rate, turn the dial in the clockwise direction. To decrease the flash rate, turn the dial in the counter-clockwise direction. For small adjustments, turn the dial slowly. For
quick adjustments, rotate the dial quickly. The flash rate range
and resolution will be different according to the selected measuring range.
One function of a stroboscope is to provide a “stopped” image
of a rotating target when the flash rate of the stroboscope has
matched the rotational speed of the target object. The stroboscope will show a single image when the flash rate is set to a
lesser multiple of the true RPM (1/2,1/3,etc.) When the flash rate
is increased to a higher multiple (2,3,etc.), multiple images will
appear. To find the true RPM of the target object, reduce the flash
rate to a lower multiple until only one image appears.
•The flash duration time will be displayed when the RATIO key
is pressed. The flash duration time can then be increased or
decreased with the dial from 0 to 2.5 (0~2.5°) degrees.
External Mode
• In external trigger mode, the display will show the settings of
delay time. For details about changing these settings, please
see external trigger mode section.
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