FC5A M
ICRO
S
MART
U
SER
’
S
M
ANUAL
FC9Y-B1268
A-17
Communication Ports and Functions
The communication functions of each communication port are described in this section.
CPU Modules with System Program version 210
Communication Function
Port 1
(RS232C)
Port 2
(RS232C)
Port 2
(RS485)
Ports 3 to 7
(FC5A-SIF2
earlier than
V200)
Ports 3 to 7
(FC5A-SIF2 V200
or higher)
(Note 1)
Ports 3 to 7
(FC5A-SIF4)
Maintenance
Communica-
tion
Program Download
and Upload
X
X
X
—
—
—
Monitoring
X
X
X
X
X
—
User Communication
X
X
X
X
X
—
Modem Communication
—
X
—
—
—
—
Data Link
Master
—
—
X
—
—
—
Slave
—
—
X
—
—
—
Modbus RTU
Master
—
X
X
—
—
—
Slave
X (Note 2)
X
X
—
—
—
Modbus ASCII
Master
—
X
X
—
—
—
Slave
X (Note 2)
X
X
—
—
—
Modbus TCP
Master (Client)
—
X
—
—
—
—
Slave (Server)
X (Note 2)
X
—
—
—
—
Note 1:
The maximum baud rate for FC5A-SIF2 (version 200 or higher) is 115200 bps. When FC5A-SIF2 is used in conjunction with a
CPU module with system program version earlier than 220, the maximum baud rate is 38400 bps.
Note 2:
Modbus slave communication is available on CPU module with system program version 210 or higher.
CPU Modules with System Program version 220 or higher
Communication Function
Port 1
(RS232C)
Port 2
(RS232C)
Port 2
(RS485)
Ports 3 to 7
(FC5A-SIF2
earlier than
V200)
Ports 3 to 7
(FC5A-SIF2 V200
or higher)
(Note 1)
Ports 3 to 7
(FC5A-SIF4)
Maintenance
Communica-
tion
Program Download
and Upload
X
X
X
X (Note 1)
X (Note 1)
X (Note 1)
Monitoring
X
X
X
X
X
X
User Communication
X
X
X
X
X
X
Modem Communication
—
X
—
—
—
—
Data Link
Master
—
—
X
—
—
X
Slave
—
—
X
—
—
X
Modbus RTU
Master
—
X
X
—
X
X
Slave
X
X
X
—
X
X
Modbus ASCII
Master
—
X
X
—
X
X
Slave
X
X
X
—
X
X
Modbus TCP
Master (Client)
—
X
—
—
—
—
Slave (Server)
X
X
—
—
—
—
Note 1:
Transfer mode must be set to ASCII to download or upload the user program. Run-time program download cannot be used.
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