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1 Features and System Configuration
NX-series Analog I/O Units User’s Manual for Analog Input Units and Analog Output Units (W522)
1-1 Features and Applications
1
1-1-2 Applications of the Analog Input Units and Analog Output Units
When the NX-series CPU Unit or EtherCAT Coupler Unit is used together with NX Units that support
synchronous I/O refreshing, the I/O control of multiple NX Units can be synchronized at the time to syn-
chronize with the refresh cycle of the NX bus.
This provides an accurate I/O control because it suppresses jitter in the I/O timing of multiple NX Units.
The terminal block is a screwless clamping terminal block.
You can connect the wires simply by pushing the ferrules into the terminals. The amount of wiring work
is reduced without requiring the use of screws.
This section describes the applications of the Analog Input Units and Analog Output Units.
Refer to 1-3 Model List on page 1-7 for details on the models of the Analog Input Units and Analog Out-
put Units and to 1-4 List of Functions on page 1-12 for details on their functions.
Synchronous I/O with Refresh Cycle of the NX Bus
Simple I/O Wiring with a Screwless Clamping Terminal Block
1-1-2 Applications of the Analog Input Units and Analog Output Units
Type Application
Analog Input Units These are Units with functionality to convert analog input signals to digital values.
Analog Output Units These are Units with functionality to convert output set values set by a user program
etc. to analog signals.
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