Combined Systems Section 2-3
!
16
Individual sections of cable must not be longer than 2 m. Each extra Expan-
sion I/O Rack must be counted as a ‘Slave’ when computing the number of
Slaves controlled by the PC.
I/O
Con
-
necting
Cable
I/O Con
-
necting
Cable
Slave Rack
Slave Rack
Expansion I/O Rack
Expansion I/O Rack
Expansion I/O Rack
C200H PC
C200H Master
2-3 Combined Systems
C500 and C200H Remote I/O Units can be combined into the same System.
That is, C500 Slaves can be connected to C200H Masters; C200H Slaves, to
C500 Masters.
The maximum number of connectable Units is the same as in any Remote
I/O System based on the C500-RM201 (see
2-1
Basic System
). Word
assignments will be based on the C500 PC, i.e., based on the order and
positions of I/O Units mounted, and not on fixed slot words. Special I/O Units
cannot be mounted to C200H Slave Racks controlled by a C500 Master; all
mounted Units will be assigned only one word each. The “type of Master”
switch an all C200H Slaves controlled by C500 Masters must be turned ON
to designate a Master other than the C200H Master.
C-Series
PC
other
than the
C200H
C200H
Slave Rack
C200H Slave
Remote Interface
G7TC I/O
Block
Remote T
erminal
C200H
Slave Rack
C500 Master
Caution When C200H Slave Racks are connected to Masters on PCs other than the
C200H/C200HS,
all Output Units on these Slave Racks
will be treated as having
at
least 16 output points. disabling the Fuse-burnout and Alarm Detection Bits on
Units that normally provide them (e.g., C200H-OD411, C200H-OD213,
C200H-OD214, and C200H-OA221).
When using the C200H Backplane for 10 slots as a remote I/O Slave for the
CVM1/CV500/CV1000/CV2000,
only the 8 slots
from the left can be used; the
9th and 10th slots from the left cannot be used.
Example 1: C500 Master
and C200H Slaves
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