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Local Operation 57
b. Press
again and note that the display indicates "C:TLV 1.0000". Note that you can use the
Input ENTRY keys to increment and decrement the transient current level. Operation is similar to that
described above for the main current level.
Setting CR Values
The CR values are programmed by pressing the applicable FUNCTION keys and then setting the desired value using the
ENTRY keys. The display identifies the selected function; for example, R:RNG identifies resistance range. See Appendix
A for considerations regarding high-resistance applications.
Ranges
The resistance values can be programmed in a low, middle, or high range. The valid CR values that can be programmed are
listed in Table 4-3 along with the applicable front panel key and display identifier. Note that all resistance levels are
programmed in ohms and the slew rate is in amps/microsecond or volts/microsecond depending upon the resistance range.
Table 4-3. CR Programming Ranges
Function Key Display Range of Values
6060B 6063B
Set Range "R:RNG value"
Low range
≥
0 or
≤
1
≥
0 and
≤
24
Middle range
> 1 or
≤
1000 > 24 or
≤
24000
High range
>1000 or
≤
10000 > 24000 or
≤
240000
Set Main Level "RES value" (see Note 1)
Low range 0.033 to 1.0000 0.200 to 24.000
Middle range 1.0000 to 1000.0 24.000 to 24000
High range 10.000 to 10000 240.000 to 240000
Set Slew Rate
Low range (shifted) "V:SLW value" (see Note 2)
Middle or High range "C:SLW value"
Set Transient Level "R:TLV value" (see Notes 1 and 3)
Low range 0.033 to 1.0000 0.200 to 24.000
Middle range 1.0000 to 1000.0 24.000 to 24000
High range 10.000 to 10000 240.000 to 240000
Notes:
1. In the middle and high ranges, the resolution of the main level and the transient level degrades as higher values are
entered. The value of resistance displayed will be the closest one to the value entered. A similar effect will occur with
the
and
keys. Refer to Appendix A for considerations regarding high resistance applications.
2. In the low resistance range, the resistance slew rate is programmed in volts/microsecond instead of in
ohms/microsecond. Whatever value is programmed for the voltage slew rate (see "Setting CV Values") is also used for
resistance in the low range. In the middle and high ranges, the resistance slew rate is programmed in
amps/microsecond. Whatever value is programmed for the current slew rate (see "Setting CC Values") is also used for
resistance in either the middle or high ranges.
3. In the low range, the transient resistance level must be set to a higher value than the main resistance value. In the
middle and high ranges, the transient resistance level must be set to a lower value than the main resistance value.
Changing the programming range can cause the present CR settings to be automatically adjusted to fit within the new range.
For example, assume that you are programming the Agilent 6060B 300 Watt Electronic Load, the present range is 1 to 1 k
ohms "R:RNG 1000.0", and the present settings are: