4.3 CPU Unit Specifications
Performance Specifications
4-6
Performance Specifications
The performance specifications of the CPU Unit are given in the following table.
Item
Specification
Remarks
CPU-201 CPU-202
System Config-
uration
Maximum Number of
Racks
7
• Main Rack
• Expansion Racks added by using
EXIOIF Modules: 3 max.
• Expansion Racks added by using a
Rack Expansion Interface Unit: 3 max.
Maximum Number of
Units Connected on the
Right of a CPU Unit
5 −
Maximum Number of Base
Units Controllable by One
CPU Unit
Main CPU Unit: 4
You must use EXIOIF Modules to add
Expansion Racks.
Sub CPU Unit: 1 −
Maximum Number of
Optional Modules Control-
lable by the Main CPU
Unit
35
• Main Rack: 1 Base Unit × 8 slots
• Expansion Racks added by using
EXIOIF Modules: 3 Base Units × 9
slots
Note: If you use a Rack Expansion
Interface Unit to add
Optional Modules on Expan-
sion Racks, the Optional
Modules are controlled by the
Sub CPU Units and not by
the Main CPU Unit.
Number of Con-
trolled Axes
SVC32
16 axes in 1 circuit or
32 axes in 2 circuits
Circuit number selected from 1 to 16. If
two circuits are selected, only odd circuit
numbers can be selected.
SVR32
16 axes in 1 circuit or
32 axes in 2 circuits
Circuit number selected from 1 to 16. If
two circuits are selected, only odd circuit
numbers can be selected.
Maximum Number of Con-
trolled Axes
256 axes
Optional Modules (SVB-01 or SVC-01
Modules) must be mounted.
Note: The number of controlled
axes of the SVC32 and
SVR32 given above are
included.
Scan Time Set-
tings
H Scan
0.125 to 32.0 ms (in
0.125-ms increments)
Refer to the following section for details.
3.1 Basic Functionality
−
Scans (page
3-32)
L Scan
2.0 to 300 ms (in 0.5-
ms increments)
−
H Scan Default 4 ms −
L Scan Default 200 ms −
Peripheral
Devices
Calendar Provided. −
Communications Interface Ethernet −
USB Provided. −
Memory Capac-
ity
DRAM
128 MB
with ECC
512 MB
with ECC
−
SRAM (battery backup) 8 MB
Use up to 3 MB with battery backup for
table data.
Program Capacity 32 MB
Total capacity including definition data,
ladder programs, table data, etc.
Continued on next page.