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CompoBus/D Systems The Compobus/D is an I/O data communications system conforming to the
CompoBus/D standard being developed to standardize device-level networks
for FA.
CompoBus/D Master Unit
CQM1 (I/O Link Unit)
I/O Terminal
Adapter
Sensor Terminal
Analog Input Terminal
Analog Output Terminal
• The CompoBus/D Master Unit is mounted to the CPU Rack or an Expansion
I/O Rack. Only one Master Units can be mounted.
• Up to 50 slaves can be connected for a maximum of 1,600 points of I/O data
communications (50 input words and 50 output words).
• The IR Area is used for data transmissions (outputs: IR 50 to IR 99; inputs: IR
350 to IR 399).
• A wide variety of slaves are available to support relay, sensor, analog and other
I/O.
Note 1. The CompoBus/D System cannot be used at the same time as a Remote I/O
System.
2. The CompoBus/D Master Units must be counted as Special I/O Units.
3. Slaves made by other manufacturers can be connected as long as they con-
form to the CompoBus/D standard.
Expanded System Configurations
Section 2-4
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