IDEC FC4A-C10R2 User Manual page 35

Communication Function
Communication Port
Standards
Maximum Baud Rate
Maintenance Communication
(Computer Link)
User Communication
Modem Communication
Data Link Communication
Quantity of Slave Stations
Maximum Cable Length
Isolation between Internal Circuit
and Communication Port
Note 1: RS485 user communication is available on upgraded CPU modules only, see page 17-1.
Note 2: Recommended cable for RS485: Twisted-pair shielded cable with a minimum core wire of 0.3 mm
Conductor resistance 85 Ω/km maximum, shield resistance 20 Ω/km maximum.
Built-in Functions
High-speed Counter
Analog Potentiometer
Analog Voltage Input
Pulse Output
Memory Cartridge (Option)
Memory Type
Accessible Memory Capacity
Hardware for Storing Data
Software for Storing Data
Quantity of Stored Programs
Program Execution Priority
Clock Cartridge (Option)
Accuracy
Backup Duration
Battery
Charging Time
Battery Life
Replaceability
Port 1 (RS232C)
EIA RS232C
19,200 bps
Possible
Possible
Not possible
Not possible
—
Special cable
Not isolated
Maximum Counting Frequency
and High-speed Counter Points
Counting Range
Operation Mode
Quantity
Data Range
Quantity
Input Voltage Range
Input Impedance
Data Range
Quantity
Maximum Frequency
EEPROM
32 KB or 64 KB (64KB cartridge is for upgraded CPU modules only, see page 2-64)
CPU module
WindLDR
One user program can be stored on one memory cartridge.
When a memory cartridge is installed, the user program on the memory cartridge is
executed.
±30 sec/month (typical) at 25°C
Approx. 30 days (typical) at 25°C after backup battery fully charged
Lithium secondary battery
Approx. 10 hours for charging from 0% to 90% of full charge
Approx. 100 recharge cycles after discharging down to 10% of full charge
Not possible to replace battery
« FC4A M S U
ICRO MART
Port 2 (RS232C)
Communication Module
Communication Adapter
EIA RS232C
19,200 bps
Possible
Possible
Possible
Not possible
—
Special cable
Not isolated
Total 4 points
Single/two-phase selectable: 20 kHz (2 points)
Single-phase:
0 to 65535 (16 bits)
Rotary encoder mode and adding counter mode
1 point
0 to 255
1 point
0 to 10V DC
Approx. 100 kΩ
0 to 255
2 points
20 kHz
' M »
SER S ANUAL
2: M S
ODULE PECIFICATIONS
Port 2 (RS485)
Communication Module
Communication Adapter
EIA RS485
Computer link: 19,200 bps
User comm.: 19,200 bps
Data link: 38,400 bps
Possible
Possible (Note 1)
Not possible
Possible
31
200m (Note 2)
Not isolated
2
.
5 kHz (2 points)
2-15