I/O EXPANSION CAPABILITY

EX250

One (1) expansion unit can be connected to each
EX250
controller . A total of
16
I/O slots are available
. If
32
point I/O modules are used, all the discrete I/O can be located on the controller leaving the expansion
unit available for register type I/O (Analog,
PID, BCD,
etc
.)
Local I/O
~
256
points or
~
32
registers

EX500

~ ~«iii<<<
Three
(3)
expansion units can be connected to each
EX500
controller . A total of
32
I/O slots are available
.
If
32
point I/O modules are used, all the discrete I/O can be located on the controller and the first
expansion unit leaving the last two expansion units available for register type
I/O (Analog, PID, BCD,
etc
.)
.
Local I/O
~
512
points or
~
64
registers
Notes : 1) A
0
.5
m expansion cable is shipped with each expansion unit
. Optional 1 m expansion cables are
also available
. Total cable length should be less than
2
m
.
2)
Four types of expansion units are available
If total 5
Vdc current consumption will exceed
4
.5
A, the expansion unit with power supply
must
be used
.
EU-6257
480
mm width,
8
slots, with AC power supply
EU-6257D
480
mm width,
8
slots, with
DC
power supply
EU-6279
390
mm width,
8
slots, no power supply
EU-6278
240
mm width,
4
slots, no power supply, termination only