Chapter 2. System Configuration
2-4
2.2 Product List
The following describes functional model of the GLOFA-GM7Useries.
2.2.1 Product functional block
Product configuration block for the GM7U series is as follows.
Main Unit Expansion Modules
Power supply Input signal Input signal
Built-in RS-232C I/F Output signal O
Sub-system Description
CPU
• Signal processing function
- Operating system function
- Application program storage / memory function
- Data storage / memory function
- Application program execution function
Input The input signals obtained from the machine/process to appropriate signal levels for
processing
Output The output signals obtained from the signal processing function to appropriate signal
levels to drive actuators and/or displays
Power Supply Provides for conversion and isolation of the PLC system power from the main supply
Communication
Interface
Supports 1:1 or 1:N communication system using built-in communication I/F function or
GMWIN
Output signal Output signal
Built-in RS-232C
Built-in RS-485
Special/Communi-
cation modules
Power
supply
Comm.
Input
Output
Input
Output
CPU
•
DC24V
Power
supply