6240B DC Voltage Current Source/Monitor Operation Manual
5.2.12 Operating Multiple 6240B
5-63
• Operational Timing
2. Restrictions on setting
• The 6240B has a Tsync time delay of approximately 30 s from the external trigger input to the
measurement start. This delay is increased to approximately 50 s in the low-resistance meas-
urement pulse source mode. Consider this time delay when using two or more 6240B units in
synchronous operation.
• For all three units, set the measurement range to Fixed and auto zero to OFF.
• Using the external trigger has restrictions on setting Tp and Th for slaves. (Refer to Section
5.2.11.1).
• The first synchronous sweep step has a gap within the Th accurate range.
OPERATE OUT
SYNC OUT
Source and
measurement
Tds1
Td1
Tp1
Tds2
Td2
Tp2
Tds3
Td3
Tp3
Source and
measurement
Source and
measurement
Synchronous delay time
Tsync=Approx. 30 s
No.1
No.2
No.3
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