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*1 For the CPU modules that can be combined and their mounting positions, refer to Page 47, Section 3.2.2.
*2 When using a Motion CPU, install operating system software on the CPU module. For models and versions of the
operating system, refer to the manual for the Motion CPU used.
*3 These units cannot be used in a multiple CPU system including a Process CPU. ( Page 188, Appendix 3)
*4 Since the QA1S51B does not have an extension cable connector (OUT), it cannot be used with the QA6B or
QA6ADP+A5B/A6B.
*5 When the QA1S6B is used as an extension base unit, the QA6ADP+A5B/A6B cannot be connected.
*6 When the QA1S6ADP+A1S5B/A1S6B is used, the maximum number of extension base units is 1, and the maximum
number of I/O modules that can be mounted is 20 minus the number of CPU modules. When the QA1S6ADP-
S1+A1S5B/A1S6B is used, the maximum number of extension base units is 3, and the maximum number of I/O
modules that can be mounted is 36 minus the number of CPU modules.
(b) Precautions
• Extension base units, QA1S5B, QA1S6B, QA1S6ADP+A1S5B/A1S6B, QA6B, and
QA6ADP+A5
B/A6B, can be connected when a High Performance model QCPU is set as the control
CPU of AnS/A series modules. ( Page 188, Appendix 3)
• If I/O modules are mounted exceeding the maximum number, "SP.UNIT LAY ERR" (error code: 2124)
occurs.
• "Number of CPU modules" indicates the number set in "No. of PLC" of PLC parameter ("Multiple CPU
Setting").
• When a C Controller module which occupies three slots is used, the maximum number of mountable I/O
modules will be two smaller than the number defined in the table on Page 41, Section 3.2.1 (1) (a).
• A PC CPU module occupies two slots. When this module is used, the maximum number of mountable I/O
modules will be one smaller than the number defined in the table on Page 41, Section 3.2.1 (1) (a).
Maximum number of
mountable I/O modules
65 - (Number of CPU modules)
Applicable main base
unit
Q33B, Q35B, Q38B, Q312B
Applicable extension
base unit
Type requiring no power supply module
(Q series)
Q52B, Q55B
Type requiring power supply module (Q
series)
Q63B, Q65B, Q68B, Q612B
Type requiring no power supply module
(AnS series)
*3*4
QA1S51B, QA1S6ADP+A1S5B
*6
Type requiring power supply module
(AnS series)
*3*5
QA1S65B, QA1S68B, QA1S6ADP+A1S6B
*6
Type requiring no power supply module
(A series)
*3
QA6ADP+A5B
Type requiring power supply module (A
series)
*3
QA65B, QA68B, QA6ADP+A6B
Applicable extension
cable
QC05B, QC06B, QC12B, QC30B, QC50B, QC100B
Applicable power supply
module
Power supply module (Q series) Q61P-A1, Q61P-A2, Q61P, Q61P-D, Q62P, Q63P, Q64P, Q64PN
Power supply module (AnS series)
*3
A1S61PN, A1S62PN, A1S63P
Power supply module (A series)
*3
A61P, A61PN, A62P, A63P, A61PEU, A62PEU
Item Description