T-Branch Connection - Mitsubishi Electric MELSEC iQ-F FX5 User Manual

T-branch connection

Describes how to connect the Ver.1.10-compatible CC-Link dedicated cables in T-branch
T-branch system configuration
The following is a system configuration in T-branch.
R
(4)
Master Station
M
Remote I/O station or remote device station
R
Intelligent device station
I
(1) Main line
(2) Branch line
(3) T-branch terminal block or T-branch connector
(4) Terminating resistor
The number of branch lines is determined by the branch line length per branch line and the overall branch line
length.
Communication specifications for a T-branch connection
The following table lists the communication specifications upon T-branch connection.
For those not listed below, refer to the performance specifications. (Page 18 Performance Specifications)
Item
Transmission speed
Maximum length of the main line
Maximum length of the branch line
Overall branch line length
Maximum number of connected
modules on the branch line
Connection cable
T-branch terminal block
T-branch connector
6 WIRING
56
6.2 CC-Link Network Wiring
(1)
M
(2)
R
R
I
R
Specifications
625 kbps
100 m
8 m
50 m
6 modules per branch
Ver.1.10-compatible CC-Link dedicated cable
Commercially available terminal block
A connector for an FA sensor conforming to NECA4202 (IEC947-5-2) or
equivalent product is recommended.
(NECA: Nippon Electric Control Equipment Industries Association)
(3)
R
(2) (2)
R
156 kbps
500 m
200 m
(3)
I
(2)
(4)
R
I
Remark
10 M, 5 M, 2.5 Mbps cannot be used.
A cable length between terminating
resistors.
The length (branch line length) of a T-
branch cable is not included.
A total cable length for each branch.
A total length of all branch cables
The total number of connected
stations depends on the CC-Link
specifications.

Do not remove the jacket of the
cables on the branch line, if possible.
R