50
(4) Memory capacity
When a file is written to the memory area, the unit of the stored file depends on the CPU module and memory
area to be written. This unit is referred to as a file size unit.
(a) File size unit for each memory area
The following table lists the file size unit of the CPU module and memory area to be written.
*1 The file size unit of the Flash card is applied when a file is written to the Flash card by "Export to ROM Format".
(b) File size unit for each memory card or SD memory card
The following table lists the file size unit for each memory card or SD memory card.
*1 The file size unit of the Flash card is applied when:
• A file is written to the Flash card by Write to PLC (Flash ROM).
• A file is written to the Flash card using a programming tool without accessing the CPU module.
CPU module model
Memory area
Program memory Standard RAM standard ROM
Flash card
*1
Q00UJCPU
1 step/4 bytes
- 64 steps/256 bytes
-
Q00UCPU, Q01UCPU
512 bytes
128 steps/512
bytes
Q02UCPU, Q03UD(E)CPU,
Q04UD(E)HCPU, Q06UD(E)HCPU
128 steps/512
bytes
Q10UD(E)HCPU, Q13UD(E)HCPU
256 steps/1024
bytes
Q20UD(E)HCPU, Q26UD(E)HCPU,
Q50UDEHCPU, Q100UDEHCPU
512 steps/2048
bytes
Q03UDVCPU, Q04UDVCPU,
Q04UDPVCPU, Q06UDVCPU,
Q06UDPVCPU
128 steps/
512 bytes
-
Q13UDVCPU, Q13UDPVCPU
256 steps/
1024 bytes
Q26UDVCPU, Q26UDPVCPU
512 steps/
2048 bytes
Type Model File size unit (cluster size)
Memory card
SRAM card
Q2MEM-1MBS 512 bytes
Q2MEM-2MBS 1024 bytes
Q3MEM-4MBS 1024 bytes
Q3MEM-8MBS 4096 bytes
Flash card
*1
Q2MEM-2MBF 1024 bytes
Q2MEM-4MBF 1024 bytes
ATA card
Q2MEM-8MBA 4096 bytes
Q2MEM-16MBA 4096 bytes
Q2MEM-32MBA 2048 bytes
SD memory card
NZ1MEM-2GBSD 32K bytes
NZ1MEM-4GBSD 32K bytes
NZ1MEM-8GBSD 32K bytes
NZ1MEM-16GBSD 32K bytes
L1MEM-2GBSD 32K bytes
L1MEM-4GBSD 32K bytes
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