Maximum Number Of Connected Modules - Mitsubishi Electric MELSEC-Q Series User Manual

3.2.1

Maximum number of connected modules

A CC-Link system can be configured with the number of modules meeting the following conditions.
1 station in each system
Master station
Maximum of 42 modules
Remote device station
(1) Remote net Ver.1 mode
The table below lists the maximum number of connected modules of when a system is configured only with Ver.1-
compatible slave stations. For the modes, refer to Page 43, Section 3.6.2.
64 modules of a remote I/O station, remote device station, local station, standby master station, and intelligent
device station can be connected in total for one master station. Note, however, that the following conditions must
be satisfied.
Condition 1 {(1 × a) + (2 × b) + (3 × c) + (4 × d)} 64
Condition 2 {(16 × A)+(54 × B)+(88 × C)} 2304
Local station
Maximum of 64 modules
Remote I/O station
64 modules in total
Item
Maximum of 26 modules
Intelligent device station
CC-Link dedicated cable
Number of modules
a: Number of modules occupying one station
b: Number of modules occupying two stations
c: Number of modules occupying three stations
d: Number of modules occupying four stations
Number of remote I/O stations 64
A:
Number of remote device stations  42
B:
C: Number of local stations, standby master stations, and
intelligent device stations  26
CHAPTER 3 SPECIFICATIONS
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