Hitachi L100 사용자 설명서

Using Intelligent Input Terminals

Oper

ations

and Monitor

ing

Terminals [1], [2], [3], [4], and [5] are identical, programmable inputs for general use. 
The input circuits can use the inverter’s internal (isolated) +24V field supply (P24) to 
power the inputs. The input circuits are internally connected to the power supply ground. 
As the diagram shows, you can use a switch (or jumper) to activate an input terminal that 
has been configured.

If you use an external supply, its GND terminal must connect to the [L] terminal on the 
inverter to complete the input circuit. Current can only flow into each input, so they are 
sinking inputs, whether powered internally or externally.

NOTE: We recommend using the top row [L] logic GND for logic input circuits and the 
[L] GND on the bottom row of terminals for analog I/O circuits.

Input circuits

1

2

3

4

5

L

P24

+ –

24V

Input circuits

1

2

3

4

5

L

P24

+ –

24V

–
+

24V