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16
TERMS
Unless otherwise specified, this manual uses the following terms.
For terms related to positioning, refer to the following.
Page 278, Appendix 5
PACKING LIST
The product package contains the following.
Term Description
QD73A1 The abbreviation for the QD73A1 positioning module
QCPU Another term for the MELSEC-Q series CPU module
Redundant CPU A generic term for the Q12PRHCPU and Q25PRHCPU
External input The abbreviation for input from connectors for external devices
External output The abbreviation for output to connectors for external devices
Programming tool Generic term for GX Works2 and GX Developer
GX Works2
The product name of the software package for the MELSEC programmable
controllers
GX Developer
Buffer memory
The memory of an intelligent function module used to store data (such as setting
values and monitored values) for communication with a CPU module
Model Product Quantity
QD73A1 QD73A1 positioning module 1
QD73A1-U-HW Before Using the Product 1