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Functions
1-1
Functions
1-1-1 Functions and Connections with CS1
Example of Connections to CPU Rack
I/O
Connecting
Cable
As shown on the right,
the CS1 recognizes the
computer as a CPU Bus
Unit mounted to the
leftmost slot of the
farthest CS1 Expansion
Rack.
1-1-2 Precautions for System Design
the CS1 Bus Interface Board completes initialization. The time required for ini-
tialization depends on the computer in which the Board is installed, You must
2
The ITBC-CST01 CS1 Bus Interface Board is a PCI board that is installed in a
personal computer to connect the computer to a CS1-series PC via the I/O bus.
As shown below, the Board is connected to either the CPU Rack or CS1 Expan-
sion Rack. The personal computer functions as a CS1 CPU Bus Unit to enable
I/O communications with the PC.
CPU Rack
(excluding
2-slot models)
Power supply
Personal computer
with CS1 Bus
Interface Board
Virtual CS1
Expansion Rack
Power supply
CPU Bus Unit
Note
1. Connect the computer to the last CS1 Expansion Rack.
2. The computer is treated as one CS1 Expansion Rack, and it must be
counted as one CS1 Expansion Rack when calculating the maximum num-
ber of connectable CS1 Expansion Racks.
3. The maximum available cable length including the length of the I/O Con-
necting Cable is 12 m.
4. The computer cannot be connected to a C200H Rack.
• The PC will not start operation even after the power supply is turned ON until
design the system to allow for this delay.
Example of Connections to CS1
Expansion Rack
CS1
Connecting
Cable
CS1
Connecting
Cable
I/O
Connecting
Cable
Section
CPU Rack
(excluding
2-slot models)
Power supply
CS1
Expansion
Rack
Power supply
CS1
Max. number
Expansion
of CS1
Rack
Expansion
Racks: 7
Power supply
Personal
computer with
CS1 Bus
Interface Board
1-1
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