6146/6156 DC Voltage/Current Generators Operation Manual
4.2.5 Source Function
4-14
Figure 4-6 Conceptual Diagram of Output Status
3. Operation
1. Standby status
Pressing the STBY key sets Standby status.
In Standby mode 0, the load is isolated.
In Standby mode 1, only LO OUTPUT is connected.
2. HiZ Suspend status
Pressing the SUSPEND (SHIFT + OPR) key or pressing the OPR key in Operate status sets
Suspend status. The OPR indicator blinks. This is the status for LoZ/HiZ switch OFF with OPR/
STBY relay ON.
As the output status is high resistance, it rarely affects the load.
Table 4-6 Output Statuses and Internal Setting Values
Suspend setting OPR/STBY relay Output status Limit setting value
LoZ ON 30 mV range 0 V, approx. 2Ω
300 mV range
3 V range 0 V, low resistance Current limiter setting value
30 V range
3 mA range 0A, high resistance Voltage limiter setting value
30 mA range
200 mA range
HiZ ON 30 mV range 0 V, approx. 2Ω
300 mV range
3 V range 0 V, high resistance ±5mA
30 V range
3 mA range 0A, high resistance Voltage limiter setting value
30 mA range
200 mA range
STBY OFF Open -
HiZ (high resistance: constant current of ±5 mA) is available only in the 3 V or 30 V range.
LoZ/HiZ: Output resistance switching in Suspend status
OPR/STBY: Operate/Standby switching relay
6146/6156
LoZ/HiZ
Semiconductor
relay image
External power (load)
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