AMETEK Lx Series II - Manual (Page 117)

User Manual Lx / Ls Series II
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8. Repeat the entry for Phase C. Make sure the ENTER key is pressed each time a value
has to be reset to the factory default setting to store this value
9. If three-phase mode is available, select the three-phase mode from the
CONFIGURATION menu. If the Ls unit has one-phase only, adjust only phase A.
10. Select the Low Voltage range.
11. Select the SETUP screen and scroll to the ALC setting entry. Turn off the ALC mode by
selecting OFF and then set the program value for the output voltage for all three phases
to 115.00 volts and 400 Hz with respect to Neut (Ls) or Com (Lx).
12. Close the output relay.
13. Connect the external AC DVM to the respective output and use the adjustment indicated
below so set the output voltage to 115 0.115 volts.
14. Repeat for Phase B and C as needed.
15. Open the output relays when done.
Output
Phase
Current Limit
Board
Adjustment Pots
OUTP CAL value
Standard -HF option
A or 1 R1 450 450
B or 2 R2 450 450
C or 3 R3 450 450
Table 6-4: Output Calibration Coefficients - Factory Defaults.