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Vrange 750 W 1500 W
Table 6-1: Calibration Load Values- Single-chassis configurations
PARAMETER
Model ---> 1501i/iX/2 3001i/iX/2
Max current, 115 V, Low 8.8 Ω
Vrange 1500 W 3000 W
4.4 Ω
Table 6-2: Calibration Load Values- Multi-chassis configurations
California Instruments 94
User Manual Compact i/iX Series
6.3.1 Measurement Cal - AC
AC Volt Full-scale: Program the output voltage to maximum voltage on the high voltage
C output
voltage for the MVOLT FS parameter and press the ENTER key.
value by pressing the ENTER key.
AC r easurement current under a constant current condition
range on the low voltage range and 400 Hz. Observe the actual
ER
6.4 Output Calibration
range and 400 Hz. Close the output relay. Go to the
MEASUREMENT CALIBRATION screen. Enter the actual A
Save this
Cur ent Full-scale: Calibrate the m
(OL MODE set to CC) or a voltage fault may be generated. Apply a
load to the output. Program the output to 80% of full-scale voltage
output current and enter this value for the MCURR FS parameter.
Press the ENTER key. Save this value by pressing the ENT
key.
The output calibration is performed automatically when the measurement calibration takes place. As
suc e output calibration coefficients may be
viewed by selecting the OUTPUT CAL screen.
Out
change the factory default settings unless any
1. p
If th
the top cover and should only be done by qualified serv
routine calibration section.
The factory output calibration coefficients are shown in the table below.
h, there is no need to perform this calibration again. Th
put gain is set at the factory and the output calibration coefficients are pre-set. There is no need to
of the following conditions occurs:
Re lacement of the CPU controller board. (CI P/N 6005-703-1)
e output gains are found to be out of tolerance, they need to be adjusted. This requires removal of
ice personnel. In that case, refer to the non-
Output Phase Output Cal Coefficient
A 2600
B 2600
C 2600
Table 6-3: Output Calibration Coefficients - Factory Defaults.
California Instruments 95
User Manual Compact i/iX Series
6.5 Non-Routine Output Offset and Gain Calibration
WARNING: This requires the top cover to be removed and should be done by qualified service
personnel only. Dangerous Voltages are present inside the AC power source.
First adjust amplifier DC offset as follows:
1. Turn on the front panel power switch.
2. Program the ALC mode to OFF, output mode to DC function, select Low Voltage range and
program 0.0 volts.
3. Use a 100K resistor in series with a 10 uF cap and connect this series network across the
output terminals. Connect an external DVM across the cap. Program the DVM to DC.
4. Close the power source output relay and adjust R70 on the Controller (A4) for zero ±5 mV.
See Figure 6-1 for pot location on the controller board.
5. Remove the series resistor and cap.
To adjust amplifier output gain, proceed as follows:
1. Connect the DVM directly to the output terminals.
2. Program the AC function, Hi range, 240V and 60 Hz. Go to the OUTP CAL screen and adjust
the VOLT FS value for an output of 240 ±1 VAC.
3. Program 10.0 volts AC. Adjust R140 on the controller (A4) for an output of 10 ± 0.2 VAC. See
Figure 6-1 for pot location on the controller board.
4. Program 240 VAC and 500 Hz. Check the output is 240 ± 5 VAC. If the output is not correct it
indicates an amplifier gain problem.
California Instruments 96
User Manual Compact i/iX Series
Figure 6-1: Internal adjustment locations.
California Instruments 97
User Manual Compact i/iX Series
7. Service
7.1 Cleaning
The exterior of the power source may be cleaned with a cloth dampened with a mild detergent and
before cleaning. Do not spray water or other
ectly on the power source.
7.2 Ge
wrung out. Disconnect mains power to the source
cleaning agents dir
neral
This section describes the suggested ma
t o s c operation
and connection of the equipment. The second n requires opening the unit and using LED
eshoot the unit down to the module level. Only a qualified
7.3 Ba ation
intenance and troubleshooting procedures. The
roubleshooting procedure is divided into tw ections. The first section deals with basi
sectio
indicators and a simple multimeter to troubl
electronic technician should attempt this level of troubleshooting.
sic oper
PARAGRAPH PROBLEM
7.3.1 Excessive Output Voltage
7.3.2 Poor Output Voltage Regulation
7.3.3 Overcurrent Light On
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