KEPCO KLP Series (older -1200 models) Operator Manual - Manual (Page 75)

KLP 073008
4-3
3. Tap the DC OUTPUT switch to accept the value. The status display then reads OUTV. Con-
nect the DVM to ANALOG I/O PORT J2, pin 13 (M–) and pin 6 (M+). Rotate the VOLTAGE
control to increase or decrease the output voltage until the DVM reads as close as possible
to 10V.
4. Tap the DC OUTPUT switch to accept the value. The status display reads C ?. Tap the DC
OUTPUT switch to proceed to Current Calibration (see PAR. 4.3.2), or tap either VOLTAGE
or CURRENT control to advance to next choice
4.3.2 CURRENT CALIBRATION (LOCAL)
During current calibration, the current, current readback and analog current readback are cali-
brated.
1. The status display reads LOAD. When the shunt and DVM are connected per PAR. 4.3, step
4, tap the DC OUTPUT switch. The status display reads CMAX.
2. Rotate the CURRENT control to increase or decrease the DVM reading until the DVM read-
ing corresponds as close as possible to maximum rated current (Calculate current as fol-
lows:
I (Amperes) = DVM reading (Volts) / Shunt Resistance (Ohms).
3. Tap the DC OUTPUT switch to accept the value. The status display reads C_0. Rotate the
CURRENT control to increase or decrease the DVM reading until the DVM reading corre-
sponds as close as possible to minimum rated current (Calculate current as follows:
I (Amperes) = DVM reading (Volts) / Shunt Resistance (Ohms).
4. Tap the DC OUTPUT switch to accept the value. The status display reads CMAX. Rotate the
CURRENT control to increase or decrease the DVM reading until the DVM reading corre-
sponds as close as possible to maximum rated current (Calculate current as follows:
I (Amperes) = DVM reading (Volts) / Shunt Resistance (Ohms).
5. Tap the DC OUTPUT switch to accept the value. The status display reads OUTC. Connect
the DVM to ANALOG I/O PORT J2, pin 13 (M–) and pin 7 (M+). Rotate the CURRENT con-
trol to increase or decrease the output voltage until the DVM reads as close as possible to
10V.
6. Tap the DC OUTPUT switch to accept the value. The status display reads EXT?. Tap the DC
OUTPUT switch to proceed to External Calibration (see PAR. 4.3.2), or tap either VOLTAGE
or CURRENT control to advance to next choice
4.3.3 EXTERNAL CALIBRATION (LOCAL)
During external calibration the external analog reference voltages used to establish full scale
output current and voltage are calibrated and defined. The factory default calibration is 10V pro-
grams full scale output, however the following procedure allows any d-c value up to 10V to pro-
gram full scale, while a voltage proportionately less programs a corresponding decrease in the
output.
NOTE: The full scale programming voltage has a 1:1 correspondence with the external read-
back; i.e., 10V full scale programming voltage results in a 10V full scale readback. If
the full scale programming voltage is changed to a value other than 10V, the full scale
readback voltage is changed accordingly.