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Memory Units
E-shape I/O Units
2-6
Memory Units
There are three types of Memory Units, having three different types of memory.
The three types of memory are EPROM, EEPROM, and RAM.
Memory
Model
EPROM
C200H-MP831
EEPROM
C200H-ME431
C200H-ME831
RAM
C200H-MR431
C200H-MR831
C200H-MR432
C200H-MR832
Note I/O tables are also saved in the Memory Unit at the time of creation. Therefore, if
the Memory Unit is set to write-protect, it will be impossible to create an I/O table.
Capacity
Maximum
program size
8K words
6,974 words
4K words
2,878 words
8K words
6,974 words
4K words
2,878 words
8K words
6,974 words
4K words
2,878 words
8K words
6,974 words
Contents for Memory Unit Registration
Fixed DM area
(DM 1000 to DM 1999)
I/O table (see note)
UM (ladder program area)
Section
2-6
I/O Unit lock notch
Nameplate
I/O indicators
Indicate ON/OFF
status of points
10-terminal terminal block
1
Backup
Clock
---
NO
Battery
NO
Capacitor
19
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