Sequoia / Tahoe Series User Manual California Instruments
26 M447352-01 REV-A
External Analog
Programming of
Output Current
Amplitude – SINK-
Electronic Load
Mode
Signal input for output current amplitude programming of waveform that is set by internal
controller reference;
Signal ranges: 0-10 VDC for zero to full-scale RMS of internally programmed output
current;
programming accuracy, ±2% of full-scale output;
individual inputs provided for each output phase; input impedance, 40 kΩ, typical;
safety isolation SELV-rated, referenced to chassis;
External Analog
Modulation of
Output Voltage
Signal input for output voltage modulation of waveform set by internal controller reference;
0-5 V(RMS) signal range for 0-10% output voltage amplitude modulation;
programming accuracy, ±2% of full-scale output;
individual inputs provided for each output phase; input impedance, 40 kΩ, typical;
safety isolation SELV-rated, referenced to chassis.
NOTE: External Analog waveform modulation function is not supported in SINK- Electronic
Load mode
Trigger Output
Signal output with dual function: user selectable as either function trigger or list trigger;
function trigger provides a pulse for any programmable change in output voltage or
frequency; list trigger provides a pulse if programmed as part of list transients;
pulse logic level, user-selectable as active-high or active-low; pulse duration, 550 µs;
rear panel BNC connector; safety isolation SELV-rated, referenced to chassis.
Isolated Output
Voltage
Monitor Outputs
Signal outputs for each output phase for monitoring the waveform of the command signal
of the output amplifier;
0-7.07V(RMS) signal range for zero to full-scale output voltage;
rear panel BNC connector; safety isolation SELV-rated, referenced to chassis.
Isolated Output
Current
Monitor Outputs
Signal outputs for each output phase for monitoring the waveform of the command signal
of the output amplifier;
0-7.07V(RMS) signal range for zero to full-scale output voltage;
rear panel BNC connector; safety isolation SELV-rated, referenced to chassis.
Trigger Input
Signal input for external trigger for execution of programmed value;
logic level, TTL-compatible;
Signal return common to signals, Trigger input, Synchronization Clock and Remote Inhibit;
safety isolation SELV-rated.
Synchronization
Signal (SYNC)
Input
Signal input for external square wave clock to control the output frequency and phase of
the waveform generated by the internal generator;
logic level, TTL-compatible;
Signal return common to signals, Trigger input, Synchronization Clock and Remote Inhibit;
safety isolation SELV-rated.
NOTE: Not available with FC option and also not available with LKM and LKS option
NOTE: SYNC input is not supported in SINK-Electronic Load operating mode
Output Status
Monitors state of the output relay. Isolated TTL output. High if output relay is closed, low if
output relay is open
Remote Inhibit
Input
Signal input to turn the output on/off;
logic level, TTL-compatible; user-selectable as active-high or active-low;
Signal return common to signals, Trigger input, Synchronization Clock and Remote Inhibit;
safety isolation SELV-rated.
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