
DAC488 User’s Manual DAC488 Power & Assembly 21
To Verify the Port Voltage – 10-Volt Range
1. Send the following command string to the DAC488:
C0 P1 A0 R3 V10 X where:
•
C0
= Direct Control Mode •
R3
= 10-Volt Range
•
P1 = Port 1 • V10 = Output +10 Volts
•
A0 = Autorange Off • X = Execute
2. Send the following command string to the 199 DMM:
F0 R3 Z0 N1 S1 X where:
•
F0 = DC Volts • N1 = Scanner Channel 1
•
R3
= 30-Volt Range •
S1
= 5 ½ Digit Resolution
•
Z0 = Zero Disabled • X = Execute
3. For each test, the specific Value Output (
V) command, its commanded output voltage, and its
corresponding Low Limit and High Limit, are as follows:
•
V10 = Output +10 V +9.985 ≤ Reading ≤ +10.015 Volts
•
V5 = Output +5 V +4.990 ≤ Reading ≤ +5.010 Volts
•
V1 = Output +1 V +0.994 ≤ Reading ≤ +1.006 Volts
•
V0 = Output 0 V -0.005 ≤ Reading ≤ +0.005 Volts
•
V-1 = Output -1 V -1.006 ≤ Reading ≤ -0.994 Volts
•
V-5 = Output -5 V -5.010 ≤ Reading ≤ -4.990 Volts
•
V-10 = Output -10 V -10.015 ≤ Reading ≤ -9.985 Volts
To Verify the Port Voltage – 5-Volt Range
1. Send the following command string to the DAC488:
C0 P1 A0 R2 V5 X where:
•
C0 = Direct Control Mode • R2 = 5-Volt Range
•
P1 = Port 1 • V5 = Output +5 Volts
•
A0 = Autorange Off • X = Execute
2.
Send the following command string to the 199 DMM:
F0 R3 Z0 N1 S1 X
where:
•
F0 = DC Volts • N1 = Scanner Channel 1
•
R3
= 30-Volt Range •
S1
= 5 ½ Digit Resolution
•
Z0 = Zero Disabled • X = Execute
3.
For each test, the specific Value Output (
V
) command, its commanded output voltage, and its
corresponding Low Limit and High Limit, are as follows:
•
V5 = Output +5 V +4.9920 ≤ Reading ≤ +5.0080 Volts
•
V2.5 = Output +2.5 V +2.4945 ≤ Reading ≤ +2.5055 Volts
•
V1
= Output +1 V +0.9960 ≤ Reading ≤ +1.0040 Volts
•
V0 = Output 0 V -0.0030 ≤ Reading ≤ +0.0030 Volts
•
V-1 = Output -1 V -0.9960 ≤ Reading ≤ -1.0040 Volts
•
V-2.5 = Output –2.5 V -2.4945 ≤ Reading ≤ -2.5055 Volts
•
V-5 = Output -5 V -4.9920 ≤ Reading ≤ -5.0080 Volts
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