Chapter 4. CPU module
4 - 1
Chapter 4. CPU MODULE
4.1 Performance specifications
The following shows the general specifications of the GLOFA-GM series.
Specifications
Items
GM6-CPUA
GM6-CPUB
GM6-CPUC
Remarks
Operation method
Cyclic operation of stored program, Interrupt task o peration
I/O control method
Scan synchronized batch processing method(Refresh method)
Programming language
Ladder Diagram(LD)
Instruction List(IL)
Sequential Function Chart(SFC)
Operator
LD : 13, IL : 21
Basic function
194
Basic function block
11
Number of
instructions
Special function block
Each special module have their own special function blocks
Operator
Basic function
Processing
speed
Basic function block
Refer to Appendix 3.
Programming memory capacity
68 k bytes(17 k steps)
I/O points
256 points
Direct variable area
2 to 8 k bytes
Data memory
Symbolic variable area
30 k bytes – Direct variable area
Timer
No limitations in points.
Time range : 0.01 to 4294967.29 sec(1193 hours)
1 point occupies 20 bytes
of symbolic variable area.
Counter
No limitations in points
Counting range: -32768 to +32767
1 point occupies 8 bytes
of symbolic variable area.
Numbers of program blocks
100
Initialization programs
1 (_INIT)
Time driven tasks
0 ~ 8
External interrupt tasks
0 ~ 8
Program
types
Task
Programs
Internal task
0 ~ 8
Total : 8
(The type of task is
variable, however, total
numbers of tasks is 8.)
Operation modes
RUN, STOP, PAUSE and DEBUG
Restart modes
Cold, Warm
Self-diagnostic functions
Watch dog timer, Memory error detection, I/O error detection, Battery
error detection, Power supply error detection, etc.
Data protection method at power failure
Set to 'Retain' variables at data declaration.
Built-in special functions
RS-232C
RS-422/485
RTC
PID control
RS-232C
RTC
PID control
High Speed Counter
Internal current consumption
170mA
210mA
170mA
Weight
0.11Kg
0.11 Kg
0.12Kg
