LS Industrial Systems SV-iS7 PLC - Product Block Diagram

Chapter 2 System Configuration
2-２
2.1.2 Product Block Diagram
PLC option card for iS7 inverter series’ block diagram is as following.
Input Signal
Built-in RS-232C I/F Output Signal
Classification Main Function
CPU • Signal processing
-. Operating System function
-. Application program saving function
-. Data saving function
-. Application execution function
Input • Convert the input signal and data to proper signal level from
controlled device.
Output • Convert the output signal and data to proper signal level from
actuator and display device.
Communication • Configure the 1:1 communication system to connect with PADT
(KGLWIN) or built-in RS-232C/RS485 communication.
Comm
Input
Output
CPU
Built-in RS-485