Functions Of The External Input/Output Terminal - Hioki 3169-20 Instruction Manual

Quick Start Manual
152

10.2 Functions of the External Input/Output Terminal

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.
Input Terminal
Input terminal
An 0/5-V logic signal or short/open contact signal is used for con-
trol.
• 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.
GND
+5 V
10 kΩ
100 Ω
0.1 µF