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File Memory Section 3-2
3-2-1 Memory Card
Basic Specifications
Precaution on Applicable Units
The HMC-EF183 Memory Card cannot be used with the following CPU Units
and PTs. Confirm applicability when ordering.
1. CS-series CPU Units
•All CS1G-CPU@@H and CS1H-CPU@@H CPU Units manufactured
before January 9, 2002 (lot number 020108 and earlier)
•All CS1G-CPU@@, CS1G-CPU@@-V1, CS1H-CPU@@, and CS1H-
CPU@@-V1 CPU Units (i.e., those without an H in the model number suf-
fix: CPU@@H)
2. CJ-series CPU Units
•All CJ1G-CPU@@H and CJ1H-CPU@@H CPU Units manufactured before
January 9, 2002 (lot number 020108 and earlier)
•All CJ1G-CPU@@ CPU Units (i.e., those without an H in the model num-
ber suffix: CPU@@H)
3. NS7-series PTs
All NS7-SV0@ PTs manufactured before May 9, 2002 (lot number 0852
and earlier)
Memory Card Recognition Time
Several seconds is normally required for the CPU Unit to recognize the Mem-
ory Card after it is inserted. The required time depends on the PLC's cycle
time, the Memory Card Capacity, the number of files stored on the Memory
Card, and other factors.
The recognition times given in the following table are guidelines for a CS1H-
CPU@@H CPU Unit with a PLC cycle time of 0.4 ms and all PLC Setup
parameters set to the default values.
Item Previous products
Model number HMC-EF183 HMC-EF672 HMC-EF372
Memory Card
capacity
128 Mbytes 64 Mbytes 30 Mbytes
Common
specifications
Dimensions 42.8 × 36.4 × 3.3 mm (W × H × T)
Weight 15 g max.
Current consumption Approx. 30 mA (when used with PLC)
Environmental specifi-
cations
Same a general specifications of PLC
No. of writes 100,000 (guaranteed value)
Factory
specifications
No. of files writable to
root directory
511
File system FAT16
Model HMC-EF183 HMC-EF672 HMC-EF372
Recognition time 8 s 5 s 3 s
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