1 SYSTEM CONFIGURATION
1.2 System Configuration Specifications
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1
MELSEC-Q series modules
■ CPU module (except the C Controller module)
The following table shows the restrictions on the number of mountable modules of when a CPU module is mounted on a CPU
slot of a main base unit.
*1 There are the restrictions when parameters are not set in "I/O Assignment Setting" of the [I/O Assignment] tab on the "System
Parameter" window. There is no restriction when parameters are set in "I/O Assignment Setting".
*2 There are the restrictions when the input module is shifted to an interrupt module by turning off the function selection switch (SW2).
*3 The total number of mountable CC-Link IE Controller Network-equipped modules (when the CC-Link IE Controller Network function is
used) and MELSECNET/H network modules is eight. The number of mountable MELSECNET/H network modules will decrease when
five or more CC-Link IE Controller Network-equipped modules (when the CC-Link IE Controller Network function is used) are mounted.
*4 The total number of mountable CC-Link IE Controller Network-equipped modules (when the CC-Link IE Controller Network function is
used) and MELSECNET/H network modules is 32. The number of mountable MELSECNET/H network modules will decrease when 28
or more CC-Link IE Controller Network-equipped modules (when the CC-Link IE Controller Network function is used) are mounted.
■ C Controller module
The following table shows the restrictions on the number of mountable modules of when a C Controller module is mounted on
a CPU slot of a main base unit.
*1 When setting an interrupt pointer to be used with CW Configurator, there is no restriction on the number of mountable modules. (Up to
64 modules can be mounted.)
*2 The total number of mountable CC-Link IE Controller Network-equipped modules (when the CC-Link IE Controller Network function is
used) and MELSECNET/H network modules is eight. The number of mountable MELSECNET/H network modules will decrease when
five or more CC-Link IE Controller Network-equipped modules (when the CC-Link IE Controller Network function is used) are mounted.
*3 The total number of mountable CC-Link IE Controller Network-equipped modules (when the CC-Link IE Controller Network function is
used) and MELSECNET/H network modules is 32. The number of mountable MELSECNET/H network modules will decrease when 28
or more CC-Link IE Controller Network-equipped modules (when the CC-Link IE Controller Network function is used) are mounted.
Module Model Maximum number of mountable modules
Single CPU system Multiple CPU system
Interrupt module
*1
• QI60 1 4 (One CPU module can control one
module.)
Input module
*1*2
•QX40H
•QX70H
•QX80H
•QX90H
1 4 (One CPU module can control one
module.)
MELSECNET/H network module • QJ71LP21
• QJ71LP21-25
• QJ71LP21S-25
• QJ71LP21G,
QJ71LP21GE
• QJ71BR11
• QJ71NT11B
4
*3
4
*4
(One CPU module can control four
modules.)
Module Model Maximum number of mountable modules
Single CPU system Multiple CPU system
Interrupt module
*1
• QI60 1 4 (One CPU module can control one
module.)
MELSECNET/H network module • QJ71LP21-25
• QJ71LP21S-25
• QJ71LP21G,
QJ71LP21GE
• QJ71BR11
• QJ71NT11B
4
*2
4 (One CPU module can control four
modules.)
*3
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