KEPCO BOP 1KW-MG Operator Manual, Firmware Ver.4.12 and higher - Manual (Page 137)

BOP-1K 031014
4-3
The digital voltmeter (DVM) used to measure output voltage and the voltage across the current
sensing resistor should have at least six digits, multiple ranges, the smallest resolution must be
at least one microvolt and the accuracy must be at least 0.0001%.
To calibrate the external programming capabilities of the BOP a DC reference voltage with the
following minimum specifications is required.
• Value: 0.0V ±0.1mV and 10.0V ±0.1mV (either positive and negative or floating)
• Stability: better than 10
-5
• Internal Impedance: better than 0.1 Ohms
• Output Current: >0.5mA when sourcing, >0.15mA when sinking
TABLE 4-2. SUGGESTED SENSE RESISTORS
MODEL VALUE KEPCO PART NO. MANUFACTURER MANUFACTURER PART NO.
BOP 6-125MG
BOP 10-75MG
BOP 20-50MG
BOP 25-40MG
BOP 36-28MG
0.001 OHM 115-3033 ISOTEK RUG-Z-R001-0.1 TK10
BOP 50-20MG
BOP 72-14MG
BOP 100-10MG
0.01 OHM 115-2997 ISOTEK RUG-Z-R010-0.1 TK10
NOTE: Selected sense resistor must be mounted on a heatsink with a minimum surface area of 36 square inches to maintain ther-
mal stability during calibration; forced cooling is recommended. Kepco Heatsink P/N 136-0451 will provide adequate cool-
ing for the sense resistor.
TABLE 4-3. VOLTAGE CALIBRATION MEASUREMENTS AND TOLERANCES
MODEL
VOLTAGE
ZERO
(TOLERANCE)
±FULL SCALE
VOLTAGE
±FULL SCALE
VPR LIMIT
MAX. MIN. TOLERANCE MAX. MIN. TOLERANCE
BOP 6-125MG
0V
(±0.001V)
6V -6V ±0.001V 6V -6V ±0.002V
BOP 10-75MG
0V
(±0.001V)
10V -10V ±0.001V 10V -10V ±0.003V
BOP 20-50MG
0V
(±0.002V)
20V -20V ±0.002V 20V -20V ±0.006V
BOP 25-40MG
0V
(±0.003V)
25V -25V ±0.003V 25V -25V ±0.008V
BOP 36-28MG
0V
(±0.0036V)
36V -36V ±0.0036V 36V -36V ±0.01V
BOP 50-20MG
0V
(±0.005V)
50V -50V ±0.005V 50V -50V ±0.015V
BOP 72-14MG
0V
(±0.0072V)
72V -72V ±0.0072V 72V -72V ±0.022V
BOP 100-10MG
0V
(±0.01V)
100V -100V ±0.01V 100V -100V ±0.03V