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2-1 System Configuration
A variety of system configurations can be achieved by using different combina-
tions of Racks and Units. Before ordering specific Units, carefully consider which
system configuration will best meet your control requirements. In a C200HS PC
System, a maximum of two Expansion I/O Racks and five Remote I/O Slave
Racks can be connected to a CPU Rack.
2-1-1 CPU Racks
A CPU Rack consists of the CPU, I/O Units, and other Units mounted to a CPU
Backplane. An example is shown below.
(2)
(1)
(9)
(3)(8) (4)
(10)
(5)(6), (7)
1. Backplane
There are backplanes available with 3, 5, 8, or 10 slots. The same back-
planes can be used for CPU Racks, Expansion I/O Racks, or Slave Racks.
2. CPU
There are eight CPU models available: CPU01-E, CPU01-EC, CPU03-E,
CPU21-E, CPU21-EC, CPU23-E, CPU31-E, and CPU33-E.
3. Battery and DIP Switch Compartment
An optional Memory Cassette can also be added here. EPROM and EE-
PROM Memory Cassettes are both available.
4. Standard I/O Unit
The Units can have 5, 8, 12, or 16 points. In this illustration the I/O Unit cover
is mounted. This is the terminal block cover for Units with 10P terminal
blocks.
5. Interrupt Input Unit
One Interrupt Input Unit can be used at the CPU Rack.
6. and 7. SYSMAC NET Link/SYSMAC LINK Unit, Host Link Unit, PC Link
Unit Remote I/O Master Unit
A maximum of two Units can be used of each of these Units, either
on the CPU Rack or on an Expansion I/O Rack.
SYSMAC NET Link/SYSMAC LINK Units can be mounted only to
C200HS-CPU31-E/CPU33-E CPUs. Bus Connection Units are re-
quired to connect to the CPU and a Power Supply Adapter/Auxiliary
Power Supply Unit must be mounted next to the Unit.
8. Standard I/O Unit
Terminal blocks have either 10 or 19 terminals. This is a 19P terminal block.
9. High-density I/O Unit (Group 2) or Group-2 B7A Interface Unit
A maximum of ten Units can be used if they are all 32-point Units, and five if
they are all 64-point Units. They cannot be used on Slave Racks.
10. Special I/O Unit
Up to ten Special I/O Units can be used (including PC Link). They can be
used on any Rack.
System Configuration Section 2-1
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