System Configurations; Where I/O Units Can Be Mounted - Omron SYSMAC C500 Installation Manual

Assembly
3-3

System Configurations

Where I/O Units Can Be
Mounted
Note Memory in the RAM Pack is erased when the Memory Pack is
removed from the CPU and when the CPU Unit is removed from
the Rack.
The following figure shows an assembled C500 CPU Rack and one Expan-
sion I/O Rack. When three Expansion I/O Racks are connected to a CPU
Rack, a maximum of 512 I/O points are available. (Include the Remote I/O
Units)
I/O Control Unit
Connecting Cable
I/O Interface Unit
The table below summarizes the Units that can be used in the systems de-
scribed in this manual.
Special I/O Units The number of Special I/O Units that can be used depends
Host Link Units Up to one Host Link Units can be mounted. Only one
Rack-Mounting Host Link Unit can be mounted to the CPU
Rack. A CPU-Mounting Host Link Unit can also be mounted
directly to the CPU. Host Link Units cannot be mounted to
Expansion I/O Racks.
However, these Units cannot be mounted when the
SYSMAC Net Link Unit is mounted.
I/O Units Standard I/O Units are available with 16, 32, or 64 points.
Refer to Section 2 Description of All Components for details.
Memory Packs RAM or ROM Packs are available. The ROM Pack requires
a separately available EPROM chip.
Remote I/O Master Up to four Remote I/O Master Units can be mounted to both
Unit the I/O Rack and the Expansion I/O Racks. When the
Remote I/O Unit is mounted to a Rack, a Rack number must
be set so that the CPU can identify the Remote I/O Unit.
Mount the Remote I/O Slave Unit to the leftmost position
(the I/O Interface Unit position) on the Slave Rack. For
details, refer to the C500 Operation Manual.
CPU
upon the number of points available and the number of
points the Special I/O Unit requires.
Section 3
CPU
Power Supply
CPU Rack
Programming
Console
Expansion I/O
Power Supply
27