Agilent Technologies E3631A - Page 59

Chapter 3 Calibration Procedures
Constant Current (CC) Verifications
59
3
5 Readback the output current from the selected output over the remote interface by
sending the command:
MEAS:CURR? {P6V|P25V|N25V}
6 Record the value displayed on the controller. This value should be within the limits
specified below for each output tested.
7 Program the selected output current to the full scale value (see Table 3-2) by sending
the commands:
CURR 5.0 for the +6V supply or
CURR 1.0 for the ±25V supply
8 Divide the voltage drop (DVM reading) across the current monitoring resistor (R
M
)
by its resistance to convert to amps and record this value (I
O
). This value should be
within the limits specified below for each output tested.
9 Readback the output current from the selected output over the remote interface by
sending the command:
MEAS:CURR? {P6V|P25V|N25V}
10 Record the value displayed on the controller. This value should be within the limits
specified below for each output tested.
11 Repeat steps (1) through (10) for the remaining outputs.
Output Readback Accuracy
+6V I
O
± 10 mA
+25V I
O
± 4 mA
-25V I
O
± 4 mA
Output Programming Accuracy
+6V 5 A ± 20 mA
+25V 1 A
± 5.5 mA
-25V 1 A
± 5.5 mA
Output Readback Accuracy
+6V I
O
± 20 mA
+25V I
O
± 5.5 mA
-25V I
O
± 5.5 mA