6253 DC Voltage Current Source/Monitor Operation Manual
4.2.11 Multiple Unit Operation
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4.2.11 Multiple Unit Operation
This section describes synchronous operation, serial connection and parallel connection by using more
than one 6253 units.
4.2.11.1 Synchronous Operation
The synchronous operation of the 6253 allows synchronous measurement in the DC source mode, and
synchronous source and measurement in the pulse source and sweep source modes.
The timing control for the synchronization is performed by the external control signals; TRIGGER IN,
SYNC OUT and COMPLETE OUT, and the time parameter settings such as measurement delay and
source delay.
The following explains an example of synchronized operation using the BUSY signal.
When using the BUSY signal, there are following features.
• The source and measurement steps are matched with the slowest.
• Despite source or measurement range changes taking place, synchronization is still possible in every
step. (However, the timing of source and measurement cannot be synchronized if a range change is
made.)
1. Synchronous operation of three units using SYNC OUT
The Operate and Standby timings and the source and measure timings are synchronized. The source
and measurement steps are matched with the slowest one.
The following shows the settings and connections for synchronous operation.
Table 4-16 Settings for 3-Unit Synchronous Operation by SYNC OUT
Parameter No.1 No.2 No.3
SYNC OUT SYNC OUT - -
OPERATE IN/OUT OPERATE OUT OPR/SUS IN OPR/SUS IN
BUSY IN/OUT BUSY IN BUSY OUT BUSY OUT
Trigger mode AUTO HOLD HOLD
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