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CompoBus/S Systems The CompoBus/S is a high-speed I/O data communications system designed to
meet the needs of time-critical FA applications.
CompoBus/S Master Unit
I/O Terminal
Sensor Terminal
Bit Chain Terminal
• The CompoBus/S Master Unit is mounted to the CPU Rack or an Expansion
I/O Rack. The number of Master Units that can be mounted is indicated below.
Number of Mountable Master Units
C200HX/HE, C200HG-CPU3
j/4j/(-Z)
10 Units when used as 1 Special I/O Unit (i.e., 10 words allocated)
5 Units when used as 2 Special I/O Units (i.e., 20 words allocated)
C200HX, C200HG-CPU5
j/6j/8j(-Z)
16 Units when used as 1 Special I/O Unit (i.e., 10 words allocated)
5 Units when used as 2 Special I/O Units (i.e., 20 words allocated)
Note Unit numbers A to F can be set only with the following CPU Units.
C200HX-CPU54(-Z)
C200HX-CPU64(-Z)
C200HX-CPU65-Z
C200HX-CPU85-Z
C200HG-CPU53(-Z)
C200HG-CPU63(-Z)
• For each Master Unit, up to 32 slaves can be connected for a maximum of 256
points of I/O data communications (8 input words and 8 output words).
• The Special I/O Area is used for data transmissions.
• A wide variety of slaves are available to support relay, sensor, and other I/O.
• Bit Chain Terminals can also be used as slaves to send and receive small
quantities of I/O points at greater distances.
Note The CompoBus/S Master Units must be counted as Special I/O Units.
Expanded System Configurations
Section 2-4
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