Application Examples

There are many way to connect external periphery to Core PLC. Here are some basic examples how to connect various sensors, switches and other equipment.

Power Supply 10.5~30V

In any case an external power supply with e.g. 12V= or also 24V= is necessary. There are several power supply units for top hat mounting.available on market.

Digital Input I1..I8



Connecting a Switch / Push Button



Connecting a Microcontroller output



Analogue Input A1U, A2U


Connecting a 0-10V Sensor

Connecting a NTC for temperature measuring



Analogue Input A3I, A4I


Connecting a 4-20mA Sensor

UART RS-232 TxD, RxD


Connection to PC or Host





Connection to PC / Host

Connection to printer or modem

Relay Output Q1..Q4

Connection 24V load

Connection AC load