2: M
ODULE
S
PECIFICATIONS
FC5A MicroSmart User’s Manual FC9Y-B1268
2-31
Memory Cartridge (Option)
Memory Type
EEPROM
Accessible Memory Capacity
32 KB, 64 KB, 128 KB
The maximum program capacity depends on the CPU module.
When using the 32 KB memory cartridge on the slim type CPU module, the maximum pro-
gram capacity is limited to 30,000 bytes.
Hardware for Storing Data
CPU module
Software for Storing Data
WindLDR
Quantity of Stored Programs
One user program can be stored on one memory cartridge. (Note 1)
Program Execution Priority
When a memory cartridge is installed, the user program on the memory cartridge is exe-
cuted.
User programs can be downloaded from the memory cartridge to the CPU module.
User programs can also be uploaded to the memory cartridge from the CPU module.
Note 1:
User Web data is not stored.
Clock Cartridge (Option)
Accuracy
±30 sec/month (typical) at 25°C
Backup Duration
Approx. 30 days (typical) at 25°C after backup battery fully charged
Battery
Lithium secondary battery
Charging Time
Approx. 10 hours for charging from 0% to 90% of full charge
Battery Life
Approx. 100 recharge cycles after discharging down to 10% of full charge
Replaceability
Not possible to replace battery
Communication Function
Communication Port
Port 2
Communication Adapter
FC4A-PC1
FC4A-PC2
FC4A-PC3
Communication Module
FC4A-HPC1
FC4A-HPC2
FC4A-HPC3
Standards
EIA RS232C
EIA RS485
EIA RS485
Maximum Baud Rate
115,200 bps
115,200 bps
115,200 bps
Maintenance Communication
(Computer Link)
Possible
Possible
Possible
User Communication
Possible
Possible
Possible
Modem Communication
—
—
—
Data Link Communication
—
Possible
(31 slaves max.) (Note 1)
Possible
(31 slaves max.) (Note 1)
Modbus Communication
Possible (Note 2)
Possible
Possible
Maximum Cable Length
Special cable
(Note 3)
Special cable
(Note 3)
200m (Note 4)
Isolation between Internal Circuit
and Communication Port
Not isolated
Not isolated
Not isolated
Note 1:
Maximum baud rate when using data link communication is 57,600 bps.
Note 2:
1:1 Modbus communication only
Note 3:
For special cables, see page A-12.
Note 4:
Recommended cable for RS485: Twisted-pair shielded cable with a minimum core wire of 0.3 mm
2
.
Conductor resistance 85
/km maximum, shield resistance 20
/km maximum.
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