6240B DC Voltage Current Source/Monitor Operation Manual
5.2.7 Limiter (Compliance)
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5.2.7 Limiter (Compliance)
For voltage source, the current limiter is set. For current source, the voltage limiter is set.
Appropriate settings of these limiters can prevent DUT damage due to over-voltage or over-current.
The 6240B limiters for both voltage and current have HI and LO limit values and they can be set individ-
ually.
For the voltage limiter, the HI limit and the LO limit values can set not only bipolar, + /- but also homopo-
lar, + / +, or -/-.
NOTE: When an external power supply (VB) such as a battery is connected in the current source function, set
the voltage limit values in the following range against V
B.
LO limit value < V
B < HI limit value
If these values are set outside the above range, the 6240B detects overload (OVL) and then sets Standby.
5.2.7.1 Limiter Setting Ranges
The limit values can be set with the following conditions.
60 digits ï‚£ (HL value - LL value)
NOTE:
1. Set the current limit values as large as possible within the required range.
The smaller the current limit values are, the longer the settling time is.
2. Set the voltage limit values as small as possible within the required range.
For cases where the setting current cannot be applied to a DUT, or the output terminals open, the output volt-
age reaches to the voltage limit values.
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