
4-72 Agilent B1500A/B1505A Programming Guide, Edition 11
Command Reference
DI
Parameters chnum : MFCMU source channel number. Integer expression. 1 to 10 or 101 to
1001. See Table 4-1 on page 4-16.
voltage : DC voltage (in V). Numeric expression.
0 (initial setting) to ± 25 V (MFCMU) or ± 100 V (with SCUU)
With the SCUU, the source module is automatically selected by the
setting value. The MFCMU is used if voltage is below ± 25 V (setting
resolution: 0.001 V), or the SMU is used if voltage is greater than
± 25 V (setting resolution: 0.005 V).
The SMU will operate with the 100 V limited auto ranging and 20 mA
compliance settings.
Example
Statements
OUTPUT @B1500;"DCV 7,1"
DI
The DI command forces DC current from the specified SMU.
Execution
Conditions
The CN/CNX command has been executed for the specified channel.
If Vcomp value is greater than the allowable voltage for the interlock open
condition, the interlock circuit must be shorted.
Syntax DI chnum,irange,current[,Vcomp[,comp_polarity[,vrange]]]
Parameters chnum : SMU source channel number. Integer expression. 1 to 10 or 101 to
1001. See Table 4-1 on page 4-16.
irange : Ranging type for current output. Integer expression. The output range
will be set to the minimum range that covers current value. For the
limited auto ranging, the instrument never uses the range less than the
specified range. See Table 4-5 on page 4-22.
current : Output current value (in A). Numeric expression. See Table 4-6 on page
4-23, Table 4-8 on page 4-25, or Table 4-11 on page 4-27 for each
measurement resource type.
Vcomp : Voltage compliance value (in V). Numeric expression. See Table 4-6 on
page 4-23, Table 4-8 on page 4-25, or Table 4-11 on page 4-27 for each
measurement resource type. If you do not specify this parameter,
Vcomp is set to the previous setting.
comp_
polarity : Polarity of voltage compliance. Integer expression.
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