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1 OVERVIEW
1.4.4 Modules subject to installation restrictions
(1) Modules subject to installation restrictions in the Motion CPU are sown below.
Use within the restrictions listed below.
Maximum installable modules per CPU
Description Model name
Q173CPU(N) Q172CPU(N)
Servo external signals
interface module
Q172LX 4 modules 1 module
Serial absolute synchronous
interface module
Q172EX
(Note-1)
6 modules 4 modules
4 modules
(Note-1)
(When using the incremental
serial encoder.)
3 modules
(Note-1)
(When using the incremental
serial encoder.)
Manual pulse generator
interface module
Q173PX
(Note-2)
1 module
(When using only the Manual
pulse generator.)
1 module
(When using only the Manual
pulse generator.)
Input module QX
QX -S1
Output module QY
Input/output composite module
QH
QX
Y
Analogue input module
(Note-3)
Q6
AD
Q6 AD-
Analogue output module
(Note-3)
Q6
DA
Q6
DA-
Total 256 points
Interrupt module QI60 1 module
(Note-1) : SV22 only.
(Note-2) : When the Manual pulse generator and the serial encoder are used at the same time with the SV22, the
Q173PX installed in the slot of the smallest number is used for manual pulse generator input.
(Note-3) : A maximum of 4 modules, analogue input modules and analogue output modules, can be used.
(2) Modules controlled by a Motion CPU cannot be installed in the extension base
unit QA1S6
B. Install them in the CPU base unit Q3 B or extension base unit
Q6
B.
(3) A total of eight base units including one CPU base unit and seven extension base
units can be used. However, the usable slots (number of modules) are limited to
64 per system including vacant slots. If a module is installed in slot 65 or
subsequent slot, an error (SP. UNIT LAY ERROR) will occur. Make sure all
modules are installed in slots 1 to 64. (Even when the total number of slots
provided by the CPU base unit and extension base units exceeds 65 (such as
when six 12-slot base units are used), an error does not occur as long as the
modules are installed within slots 1 to 64.)