6146/6156 DC Voltage/Current Generators Operation Manual
4.2.9 External Control Signals
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3. INTERLOCK
The INTERLOCK signal is used to prevent unexpected outputs by connecting to the external device
such as fixture.
While this signal is enabled, the output status cannot be set to Operate when the input signal is at HI
or Open, and is set to Standby when the signal level changes from LO to HI in Operate status.
The following figure shows the INTERLOCK signal and its output status.
Figure 4-13 INTERLOCK Signal and Its Output Status
4. OPERATE OUT
The OPERATE OUT signal is used to operate the external device for synchronous operation.
While this signal is enabled, it outputs LO when the output status changes from Standby to Operate,
and HI when is changes from Operate to Standby.
The following figure shows the OPERATE OUT signal and its output status.
Figure 4-14 OPERATE OUT Signal and Its Output Status
5. OPERATE/SUSPEND IN
The OPERATE/SUSPEND IN signal is used to control Operate or Suspend status of the 6146/6156
externally for synchronous operation.
While this signal is enabled, the output status is set to Operate when the signal level changes from HI
to LO or Suspend from LO to HI.
LO
HI
Standby
Operate
Output status
INTER LOCK signal
Turning Operate ON Turning Operate ON
Operate
Standby
Output status
OPERATE OUT signal
HI
LO
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