The zero generation function of the GS610 enables the generation of the voltage/current zero value as well as the switching of the output condition between high and low impedance. In the zero generation condition, the voltage application or current supply to the load can be stopped with the output relay turned ON. This function avoids the problems of chattering and contact life of the output relay and reduces the ON/OFF operation time of the output.

Zero generation of voltage - Low impedance: The current limiter is set to the specified value. - High impedance: The current limiter is set to 0.5% of the range.

Zero generation of current - Low impedance: The voltage limiter is set to 0.5% of the range. - High impedance: The voltage limiter is set to the specified value.

The GS610 has various external input/output connectors. Signals such as the trigger input/output indicating the timing of generation and measurement, the output relay ON/OFF control signal, the zero generation ON/OFF control signal, and the comparator judgment result output can be input/output from the BNC and multi-core connectors. In addition, multiple GS610s can be synchronized by simply connecting the trigger output of a GS610 to the trigger input of another GS610 using a BNC cable.
(For the external view of the connector type, see the "Rear Panel" section on page 7.)

Signal Name		Function
TRIG IN		Trigger input
SWEEP START IN		Sweep start input
CTRL IN	INTERLOCK	Interlock input
	OUTPUT	Relay control input
	ZERO	Zero generation control input
TRIG OUT	ORIGIN	Trigger output
	SOURCE CHANGE	Source change timing output
	MEASURE BEGIN	Measure start timing output
	MEASURE END	Measure end timing output
	PULSE END	Pulse falling edge timing output
SWEEP SYNC OUT	ORIGIN	Sweep synchronization output
	TURN END	Sweep 1 turn end timing output
	ALL END	Sweep all end timing output
CTRL OUT	INTERLOCK	Interlock through output
	OUTPUT	Relay status output
	ZERO	Zero generation status output
	PROGRAM	Programmable output
COMPARE HI		Comparison result output HIGH
COMPARE IN		Comparison result output IN
COMPARE LO		Comparison result output LOW
COMPARE OV		Comparison result output OVERRANGE
COMPARE END		Compare end

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