Quantcast LOOP CURRENT ADJUSTMENT (cont)

 

Click here to make tpub.com your Home Page

Page Title: LOOP CURRENT ADJUSTMENT (cont)
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Back
LOOP CURRENT ADJUSTMENT
Up
TM-11-5805-387-34-2 Modem Radion Teletypewriter MD-522A/RC (NSN
Next
BFO FREQUENCY LIMITS ADJUSTMENT
TM 11-5805-387-34-2
PROCEDURE
INDICATION
NO
NOTE
For one given setting of the LOOP 1 ADJ or LOOP 2 ADJ potentiometers, it may not be possible
to adjust both the 20 mA and 60 mA loop currents within tolerance. In this case, adjust each loop
for the current to be used during operation (20 mA or 60 mA).  Disregard the other current
adjustment.
1. Adjust LOOP 1 ADJ potentiometer A5A2R15
60 mA +5
2. Set DC LOOP NO. 1 current switch to 20MA.
20 mA +5
Go to 3
3. Readjust LOOP 1 ADJ until multimeter
reading is correct.
4. Connect multimeter's positive lead to pin A
of DC LOOP NO. 2 DX RCV/PONY connector
J7. Connect ground lead to pin C of J7.
5. Adjust LOOP 2 ADJ potentiometer A5A2R6.
60 mA +5
6. Set DC LOOP NO. 2 current switch to 20MA.
20 mA +5
Go to 7
7. Readjust LOOP 2 ADJ until multimeter
reading Is correct.
8. Set ON/OFF switch to OFF. Disconnect test
setup.
2-36

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc.