ADCMT 6253 - Limit (Compliance); Limit Setting Ranges

6253 DC Voltage Current Source/Monitor Operation Manual
4.2.6 Limit (Compliance)
4-41
4.2.6 Limit (Compliance)
For voltage source, the current limit is set. For current source, the voltage limit is set.
Appropriate settings of these limit values can prevent DUT damage due to over-voltage or over-current.
Both the voltage and current limits on the 6253 have HI and LO limit values which can be set individually.
For the voltage limit, the HI limit and LO limit values can set not only bipolar, + /- but also homopolar, +
/ +, or -/-.
NOTE: When an external power supply (V
B
) such as a battery is connected in the current
source function, set the voltage limit values (V
HL
and V
LL
) in the following range
against V
B
.
V
LL
< V
B
< V
HL
If these values are set outside the above range, the 6253 detects overload (OVL)
and then sets Standby.
4.2.6.1 Limit Setting Ranges
The limit value setting range is restricted by the source value. The following table shows the limit setting
ranges in relation to the source values.
The minimum limit values must be set under the following conditions:
600 digits (HL value - LL value): Voltage limit, and current limit in other than 3 A range
2000 digits (HL value - LL value): Current limit in the 3 A range
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 voltage reaches to the voltage limit values.
Source function Source value Limit setting range
Voltage source (VS) 0 V  |VS|  32 V 0.1 A to 2 A
32 V < |VS|  64 V 0.1 A to 1 A
64 V < |VS|  110 V 0.1 A to 0.5 A
Current source (IS) 0 A  |IS|  0.5 A 3 mV to 110 V
0.5 A < |IS|  1 A 3 mV to 64 V
1 A < |IS|  2 A 3 mV to 32 V