Hioki 3169-20 - Functions of the External Input;Output Terminal

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10.2 Functions of the External Input/Output Terminal
Quick Start Manual
Input Terminal
An 0/5-V logic signal or short/open contact signal is used for con-
trol.
10.2 Functions of the External Input/Output
Terminal
To prevent damage to the 3169-20/21, do not input to the input terminal
a voltage beyond the range -0.5 V to +5.5 V.
• The external I/O functions will not operate properly if a signal
with noise or chattering is input.
• The external I/O functions are enabled even when the keys are
locked.
+5 V
10 kΩ
0.1 µF
100 Ω
GND
Input terminal