Basic Functional Check; Table 3-9, Power Supply Voltages At J415 - Racal Instruments 1261B User Manual

1261B User Manual
Basic Functional
Check
Racal Instruments Ó 1995
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
The functional check consists of checking the 1261B power supply
voltages to the VXIbus limits at rear panel connector J415 using a
digital voltmeter.
Referring to Table 3-10, connect one lead of the voltmeter to a
supply pin at J415. Connect the reference lead of the voltmeter to
one of the ground pins. Compare each voltage reading to the
values listed in Tables 3-10.

Table 3-9, Power Supply Voltages at J415

J415 Pin
11
15
1
3
17
16
8
2,4,14 or 24 Logic Ground
If the voltages are within the specified ranges, the mainframe
complies with VXI voltage limit specifications.
Supply VXI Acceptable
Voltage Range
+5V 4.875V to 5.25V
-12V -12.6 to 11.64V
-24V -25.2V to -23.28V
-2V -2.1V to -1.9V
+12V 11.64V to 12.6V
+24V 23.28V to 25.2V
-5.2V -5.46V to -5.044V
Operating The 1261B 3-15