Installation, Operation and Service Manual LKAT
2
+24V
© 2018 DynAmp, LLC Page 17
046404 E
Form 1
LKAT
2
Diagnostic Measurements Form – Zero Primary Current
Instructions:
1.) Ensure that the Metering Unit is energized and both head halves are mated and connected to the
Metering Unit.
2.) Ensure that head is off bus, or that bus is de-energized.
3.) Measure and record the information below (make additional copies of this form as needed).
4.) Record Serial Numbers.
TEST CONDITIONS:
ZERO PRIMARY CURRENT (Head may or may not be installed on bus);
LKAT
2
SYSTEM must be ENERGIZED for AT LEAST ONE HOUR.
MEASURE
+V
Hall
Supply-A
P4-1 P4-3
+12V
(±0.5V)
+V
Hall
Supply-A
P4-2 P4-3
+12V
(±0.5V)
+15V
supply
P4-4 P4-5
+15V
(±0.5V)
-15V
supply
P4-6 P4-5
-15V
(±0.5V)
Input
A1
P1-1 P1-2
0V
(±5mV)
Input
A2
P1-3 P1-2
0V
(±5mV)
Input
B1
P2-1 P2-2
0V
(±5mV)
Input
B2
P2-3 P2-2
0V
(±5mV)
Current
Loop
Burden at
P3-1
P3-2
10.2V
max
Metering Unit ______________________
A Half : ______________________
B Half : ______________________