6241A/6242 DC Voltage Current Source/Monitor Operation Manual
5.2.4 Source Function
5-25
5.2.4.4 Suspend Function
The 6241A/6242 can select from three output statuses; Standby (output relay OFF), Suspend HiZ (output
relay ON and high resistance), and Suspend LoZ (output relay ON and low resistance).
Using this function can reduce unnecessary relay ON/OFF action, which reduces deterioration of the
throughput due to relay operation time and improves the life span of the relay.
Therefore, setting in Suspend status is recommended whenever turning OFF the output to change the mea-
surement condition.
Figure 5-11 below shows a conceptual diagram of output status.
Figure 5-11 Concept of Output Status
6241A/6242
OPR/STBY
LoZ/HiZ
Semicond
uctor relay
image
Vsus
DUT
Vsus: Output voltage in Suspend
LoZ/HiZ: Switches output resistor in Suspend
OPR/STBY:Switching relay between Operate and Standby
Output OFF status Output relay Output status Current-limiter set value
LoZ ON
Vsus, low resis-
tance
VS: Set current-limiter (I
L
)
IS: 30 digits from the current setting
range
HiZ ON
Vsus, high resis-
tance
300 nA
STBY OFF Open -
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