Modules Having Restrictions On The Number Of Mountable Modules - Mitsubishi Electric MELSEC iQ-R Series Configuration Manual

Modules having restrictions on the number of mountable
modules
This section describes modules having restrictions on the number of mountable modules.
MELSEC iQ-R 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.
Module
CC-Link IE Controller Network-
equipped module
CC-Link IE Field Network-equipped
master/local module
*2
CC-Link module
*6
MES interface module
*6
High speed data logger module
*6
C intelligent function module
Simple motion module
*1 There is no restriction on the number of mountable modules when parameters are set using the dedicated instruction after "Program" in
"Module Parameter" is selected. Note that this does not apply to a safety station. Only the module where "Parameter Editor" is set can
be set for the safety station.
*2 Use three network modules (RJ71GP21-SX, RJ71GF11-T2, and RJ71EN71 (when the CC-Link IE Field Network function is used)) or
less per CPU module at the automatic CC-Link startup.
*3 There are the restrictions when the CC-Link IE Field Network function is used.
*4 There are the restrictions when the CC-Link IE Controller Network function is used.
*5 This number includes the RnENCPU (network part). When the CPU module used is the RnENCPU and the RnENCPU (network part) is
used for the CC-Link IE Field Network function or the CC-Link IE Controller Network function, the maximum number of mountable
modules equipped with the used network function is decreased by 1. For instance, when the RnENCPU (network part) is used for the
CC-Link IE Field Network function, the maximum number of mountable CC-Link IE Field Network-equipped master/local modules is
decreased by 1. In this case, the maximum number of mountable CC-Link IE Controller Network-equipped modules remains the same.
*6 For one CPU module, the number of mountable modules that use the sequence scan synchronization sampling function should be a
combination of RD81MES96, RD81DL96, and RD55UP06-V with the maximum module count to be four. Refer to the manuals for the
CPU module and each module that uses the sequence scan synchronization sampling function, because the sequence scan
synchronization sampling function has other restrictions in addition to the restriction on the number of modules.
*7 The total number of CC-Link IE Field Network-equipped master/local modules and simple motion modules must be eight modules or
less.
*8 The RJ71EN71 cannot be used.
Model Maximum number of mountable modules
Single CPU system
*5
• RJ71GP21-SX 8
*4
• RJ71EN71
*1*5
• RJ71GF11-T2 8
*3
• RJ71EN71
*1
• RJ61BT11 8
• RD81MES96 4 (No restrictions when
high-speed access is not
used)
• RD81DL96 4
• RD55UP06-V 4 (No restrictions when
data sampling in sequence
scan is not used)
*5*7
• RD77GF4 8
• RD77GF8
• RD77GF16
Multiple CPU system Redundant system
*8
32 (One CPU module can 8
control eight modules.)
*8
32 (One CPU module can 8
*1
control eight modules.)
32 (One CPU module can 8
*1
control eight modules.)

16 (One CPU module can
control four modules.)
16 (One CPU module can 
control four modules.)

16 (One CPU module can
control four modules.)
8 (Only CPU No.1 can 
*7
control modules.)
1 SYSTEM CONFIGURATION
1.2 System Configuration Specifications
1
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