_____________________________________________________________________________________________________________________
Absolute Measurement Ltd. (T/A CMC Controls)
t: (0) 1732 763278
| e:
| w: absolutemeasurement.co.uk
Unit 19
| Silver Birches Business Park | Aston Road | Bromsgrove | B60 3EU
8
Transducer Instruction Manual
Range:
LETIX
Type:
L-ANV-0-0-R-AC
Revision:
V1.0
4.2
Direct Calibration
–
Full Scale Setting
With the strapping in the machine along the correct web path (as shown in the diagram), pull the
maximum tension value.
Press the “
SET 2
” button for three seconds. The display will show “
direct
”, followed by “
Set Hi
”. Press
“
OK
”.
4.3
Decimal Point
Press the “
SET 2
” button again for three seconds. You can now set the decimal point position with the
“
UP”
or “
DOWN
” buttons. Press “
OK
” when done.
4.4
Display value
You can now set the display value you want to see. Use the “
DIGIT
” button to select each digit in turn and
the “
UP”
and “
DOWN”
buttons to increase or decrease each digit’s value, as needed (for example
1500.0). Then press “
OK
” to save.
4.5
Direct Calibration
–
Zero Scale Setting
The next step is to remove the web tension. Then press the button marked “
SET 1
” for three seconds
until the display reads “
direct
” and then reads “
Set Lo
”. Press “
OK
”. The digits will all display 00000.0,
then press “
OK
” again for display to read (for example 0.0).
The input calibration is now finished, and the tension indicator should read correctly.
4.6
Output Signal Calibration
Once the tension calibration has been done, it is important that the analogue output signal (normally
0/10v = 0/100% tension) is correctly set to match the calibrated scale. Unless otherwise ordered, the
indicators are shipped from CMC Controls with the output signal set to 100.0 (%) = 10.0v. Should other
ranges be required, it is quite simple to alter: -
After calibrating the equipment, and the web tension has been removed, Press the “
OUTPUT
” button for
three seconds.
The display will show “
OUTPUT
” followed by “
0-10v
”, then “
net
”. Press “
OK
”. The display
will now show “
Out Lo
” and the 0% LED will flash. Display will show 0.0 (= 0% tension). Press “
OK
”
when done.
The display now shows “
Out Hi
” and the 100% LED will flash. Use the “
DIGIT
” button and “
UP
” and
“
DOWN
” front panel push buttons to set the displayed value to equal the maximum tension value (for
example 1500.0). Press “
OK
” when done.
The output signal from terminals 14 & 15 should now be 0/10.0v = 0/100% of the maximum tension.
Please Note
that the digital display will read numbers above the maximum calibrated value, but the
output will be limited to about 10.3v above the maximum tension value.
IMPORTANT
Once this has been done, set the dipswitches at the rear of the unit to the
DOWN
position.
This will stop the machine operator from altering the settings and prevent re-calibration of the indicator.
