Keysight B2980B User’s Guide, Edition 1
221
Function Details
Interlock Function (B2985B/B2987B)
Interlock Function (B2985B/B2987B)
The interlock function for B2985B/B2987B is designed to prevent electrical shock
when a user touches the Voltage Source output terminal. If the interlock terminal
is open, maximum output of the voltage source is limited to
21 V.
To perform high voltage measurement greater than
21 V, connect the interlock
terminal to an interlock circuit of a test fixture or a shielding box. The interlock
circuit must have one LED and two mechanical switches that are connected
together and placed near the shielding box opening doors. For details on installing
“Installing the Interlock Circuit” on page 68
The interlock function works as shown below.
•
When the interlock terminal is open, maximum output is limited to
21 V.
•
When the interlock terminal is shorted, voltage source can apply its maximum
output value.
•
When the interlock terminal is opened in a high voltage condition greater than
21 V, the output voltage is immediately set to 0 V and the output switch is set
to off.
Open the interlock terminal so that the voltage source cannot apply dangerous
voltage when the Voltage Source output terminal is touchable or opened.
Ouvrir la borne de verrouillage afin que le délivreur de tension ne puisse pas
appliquer de tension dangereuse lorsque la borne source/de mesure est à portée
de main ou ouverte.
Содержание B2980B Series
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Страница 52: ...52 Keysight B2980B User s Guide Edition 1 Introduction Options...
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