13
2-1-2 Expansion I/O Racks
An example of an Expansion I/O Rack is shown in the following diagram. Expan-
sion I/O Racks consist of and I/O Backplane, Power Supply Unit, I/O Units, and
other Units. Expansion I/O Racks are connected to the CPU Rack to increase
the number of I/O Units and other Units that can be used by the PC. You can
connect up to 2 or up to 3 Expansion I/O Racks to a CPU Rack, the number
depending on the CPU Unit that is used.
Power Supply Unit
I/O Backplane
Other Units
Power Supply Unit
The Power Supply Unit supplies power to the Expansion I/O Rack. The Power
Supply Units listed in the following table are available. Refer to
2-2-4 Power Sup-
ply Units
for further details.
Model
Supply voltage
Remarks
C200HW-PA204
100 to 120 VAC,
200
240 VAC
---
C200HW-PA204S
,
200 to 240 VAC
Provides 24-VDC output
terminals.
C200HW-PD204R
Equipped with RUN
C200HW-PD209R
q pp
output contacts.
C200HW-PD024
24 VDC
Note
RUN output contacts cannot be used with Expansion I/O Racks.
I/O Backplane
The I/O Backplane is required to mount the Power Supply Unit and other Units
composing the Expansion I/O Rack. The following I/O Backplanes are available
depending on the number of slot required for Units. Refer to
2-2-5 Backplanes
for further details.
Model
Number of slots
C200HW-BI031
3
C200HW-BI051
5
C200HW-BI081-V1
8
C200HW-BI101-V1
10
Note
When using the C200HW-PA209R Power Supply Unit with an 8 or 10-slot Back-
plane, be sure to use the C200HW-BC081-V1 or C200HW-BC101-V1.
Other Units
The other Units that can be mounted to an Expansion I/O Rack include the Stan-
dard I/O Units, High-density I/O Units, and Special I/O Units.
Basic Configuration
Section 2-1
