5 Wiring
5.2 CC-Link Wiring
39
FX3U-16CCL-M User's Manual
1
Introduction
2
Specification
3
System
Configuration
4
Installation
5
Wiring
6
Introduction of
Functions
7
Data Link
Processing
Time
8
Parameter
Setting
9
Data Link
Procedure
10
Buffer Memory
2. T-shaped branch communication specification list
The table below shows the communication specification in T-shaped branch connection.
For communication specification not shown in the table below, refer to Section 2.3.
*3. The cable length of 1 m or more is for a system configured only with remote I/O stations and remote
device stations.
*4. The cable length of 2 m or more is for a system configuration that contains intelligent device stations.
Item Specification Remarks
Transmission speed 625 kbps 156 kbps 10, 5 and 2.5 Mbps are not available.
Maximum main line
length
100 m 500 m
The value indicates the cable length between
terminal resistors.
The cable length of T-shaped branch lines (branch
length) is not included.
Maximum branch line
length
8 m
The value indicates the cable length per branch
line.
Total branch line
length
50 m 200 m
The value indicates the total length of all branch
lines.
Maximum number of
modules connected to
branch line
6 units/branch line
The number of connected units conforms to the
CC-Link specification.
Connection cable
• CC-Link dedicated cable
• Ver.1.10 compatible CC-Link dedicated cable
• CC-Link dedicated high-performance cables
are not available.
• Mixing of different brands of CC-Link dedicated
cables is not allowed.
• Mixing of different brands of Ver. 1.10
compatible CC-Link dedicated cables is
allowed.
T-shaped branch
terminal block/
connector
• Terminal block: Commercial one
• Connector: Connector for FA sensor NECA4202 or its
equivalent is recommended.
(NECA: THE JAPAN ELECTRIC CONTROL
EQUIPMENT INDUSTRY ASSOCIATION Standards)
When wiring cables to the main line, strip as little of
the insulation as possible.
Maximum main line
length, T-shaped
branch interval and
cable length between
units
CC-Link dedicated cable, Ver. 1.10 compatible CC-Link dedicated cable (uses 110 terminal resistor)
Transmission
speed
Maximum
main line
length
T-shaped
branch
interval
Length of cable between the
remote I/O stations or remote
device stations
*1
Length of cable between the
master station or intelligent
device station and the
adjacent station
*2
625 kbps 100 m
No limit 30 cm or more
1 m or more
*3
/2 m or more
*4
156 kbps 500 m
I
I
Master
station
Terminal
resistor
Terminal
resistor
R
R R
I
R
R
R R R
R
R
*2
*2
*2
*2
*1
*1 *1
*2
*1
*2
*1 *1
T-shaped branch interval
Maximum main line length (excluding branch line length)
: Indicates a remote I/O station or remote device station.
R
(Branch line length: 8 m or less)
(Branch line length: 8 m or less)
*2
R
*2
*2
: Indicates an intelligent device station.
I
I I
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