IDEC MicroSmart Pentra - Manual (Page 23)

W EB S ERVER CPU M ODULE U SER ’ S M ANUAL FC9Y-B1278 2-7
2: M ODULE S PECIFICATIONS
Memory Cartridge (Option)
Note 1: User Web data is not stored.
Clock Cartridge (Option)
Communication Function
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, refer to the Basic Volume Appendix “Cables” (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 Ω/km maximum, shield resistance 20 Ω/km maximum.
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
program 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
executed.
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.
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 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