Detcon 10B - Manual (Page 10)

4. Alarm 1 is set to 20% of the default range.
5. Alarm 2 is set to 50% of the default range.
6. The RS-485 address is set to 01h.
2.10 C
ONTROLLER
C
ALIBRATION
The 4-20 mA output of the Model 10 control module is calibrated at the factory and should require no further adjust-
ment. If under some special circumstance calibration is required, use the following instructions. To calibrate the controller
you will need an extender card and have to be able to simulate a 4mA input and a 20mA input.
2 2..1 10 0..1 1 C Ca alliib brra attiin ng g Z Ze erro o
Follow the steps below to calibrate the zero (4 mA) signal level input:
1. Input a 4ma signal to the controller.
2. Press and hold the calibration switch SW4 (see f igure 1) until the display reads CL. After 3 seconds the display will
read 2E (zero).
3. Press and hold SW4 until the display f lashes 2E. The zero reading has been read and saved. The output 4-20 mA
should now ref lect the input signal. The display will stop f lashing and display 2C (zero complete) for 3 seconds and
will return to displaying 2E. The controller will return to normal operation if there is no key press after 15 seconds
or by pressing the front panel switch.
2 2..1 10 0..2 2 C Ca alliib brra attiin ng g S Sp pa an n
Follow the steps below to calibrate the span (20 mA) signal level input.
1. Input a 20 mA signal to the controller.
2. Press and hold the calibration switch SW4 (see f igure 1) until the display reads CL. After 3 seconds the display will
read 2E (zero).
3. Momentarily press SW4 until the display reads SP.
4. Press and hold SW4 until the display f lashes SP. The span reading has been read and saved. The output 4-20 mA
should now ref lect the input signal. The display will stop f lashing and display SC (span complete) for 3 seconds and
will return to displaying SP. The controller will return to normal operation if there is no key press after 15 seconds
or by pressing the front panel switch.
2.11 W
ARRANTY AND
S
ERVICE
P
OLICY
Detcon, Inc., as manufacturer, warrants each new Model 10 series digital electronic control module to be free from
defects in material and workmanship under intended normal use for a period of one year from date of shipment to the
original purchaser. Detcon, Inc., additionally provides for a f ixed fee repair/replace service policy which covers Model
10 series digital control modules for a period of f ive years. The f ixed fee service policy shall affect any necessary factory
repair for the period following the one-year warranty period and shall end f ive years after expiration of the warranty.
The f ixed policy rate is $75.00 per control module, per transaction, during the period of the policy. The policy is FOB
Detcon, Inc., The Woodlands, Texas.
Model 10 Single Channel Digital Control Module PG.10
Shipping Address: 3200 A-1 Research Forest Dr., The Woodlands, Texas 7381
Mailing Address: P.O. Box 8067, The Woodlands, Texas 77387-8067
phone 888-367-4286, 713-559-9200 • fax 281-292-2860 • www.detcon.com • [email protected]