Chapter 5. Power Supply / CPU
5-2
5.2 CPU Specifications
The following table shows the general specifications of the GLOFA–GM7U series.
Specifications
Items
20-point Main Unit 30-point Main Unit
40-point Main Unit
60-point Main Unit
Remarks
Operation method
Cycle execution of stored program, Time-driven interrupt, Process-driven
interrupt
I/O control method
Scan synchronized batch processing method (Refresh method),
Direct input/output method by input/output function
Program language
Instruction List, Ladder Diagram, Sequential Function Chart
Operator LD: 13, IL: 21
Standard function 138
Standard function
block
11
Numbers of instructions
Special function
block
Function blocks for built-in functions, special, communication modules
Operator
0.1 ~ 0.9μs
Processing speed
Standard
function/function
block
Refer to the section Appendix 3
Program memory capacity 132K byte
Including
parameter
(Approx. 8K bytes)
I/O points
• 20-point main unit: 12-point input/8-point output
• 30-point main unit: 18-point input/ 12-point output
• 40-point main unit: 24-point input/ 16-point output
• 60-point main unit: 36-point input/ 24-point output
Max. of 3
expansion
modules can be
attached
I/O point: 20~120
Data
Direct variable
area
14K Byte
Memory
Symbolic
variable area
30K Byte
Timer
No limitation,
Time ran
e: 0.001~4,294,967.295 sec
1,193 hours
Counter
No limitation,
Count range: -32,768 ~ +32,767
Operation mode RUN, STOP, PAUSE, DEBUG
Data retention at power
failure
Set to ‘Retain’ at data declaration
Number of program blocks 100
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