3-3SectionSystem Configurations
30
Special I/O Units
•Up to ten Special I/O
Units can be mounted.
•Mount Special I/O Units
to any slot on the CPU
Rack (except the two
slots to the left of the
CPU) or the Expansion
I/O Rack.
Host Link Unit and
Remote I/O Master Unit
•Up to two Units can be
mounted.
•Host Link Units and Re-
mote I/O Master Units
can be mounted to any
slot on the CPU Rack
(except the two slots to
the left of the CPU) or the
the Expansion I/O Rack.
I/O Units
•I/O Units available with 5, 8,
12, or 16 points.
•Units available with 10- or
19-terminal terminal blocks.
•Units with 5 and 8 points
have 10-terminal terminal
blocks and Units with 10 and
12 points have 19-terminal
terminal blocks.
•There are some restrictions
on the mounting position of
19-terminal I/O Units (refer to
Appendix B Specifications).
Memory Packs
•RAM, EPROM, or EE-
PROM Packs available.
•EEPROM requires an op-
tional EEPROM Chip.
•EPROM requires a sepa-
rately available EPROM
Chip.
CPU
Built-in power supply
I/O Unit Cover
For 10-terminal block I/O Units
Backplane
3-, 5-, 8-, 10-slot types available
I/O Connecting Cable
•Available in lengths from 30 cm to 1 m.
•Total length of I/O Connecting Cables
between all Racks must not exceed 12 m.
Optical Fiber Cable or Wire Cable
Up to two Expansion I/O
Racks can be connected to
one CPU Rack.
Expansion I/O Racks
Expansion I/O Power Supply
Up to five Units can be connected.
Remote I/O Slave Unit
Backplane
3-, 5-, or 8-slot types available
Power supply built-in
Remote I/O Slave Unit
SYSMAC NET LINK Unit
and SYSMAC LINK Unit
• Use up to two Units, mounted to either of
the two slots to the left of the CPU.
•When using either of these two Units the
use of peripheral devices is limited. Refer to
Section 4-3 Maximum Current and Power
Supplied
.
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