Introduction to Modicon M340 PLC Stations
Original instructions
General
Modicon M340 automated platform processors manage the entire PLC station, which is made up of discrete I/O modules, analog I/O modules, counting modules, discrete I/O modules, analog I/O modules, other expert modules, and communication modules. These are distributed across one or more racks connected on the local bus. Each rack must include a power supply module; the main rack supports the CPU.
Illustration
The following diagram shows a configuration example for the Modicon M340 PLC with one rack:
Number Table
The following table describes the numbered components of the PLC station above.
Number
Description
1
Power supply module
2
Processor
3
20-pin terminal block I/O module
4
40-pin single connector I/O module
5
40-pin 2-connector I/O module
6
Counting module
7
8-slot rack