Omron CS1W-CRM21 - Page 134

112
Allocations to Slave Units Section 5-2
Number of Connectable Slave Unit Nodes and Control Points per Master Unit, and
Memory Area Size for Each Mode
I/O Memory Size and Allocation Patterns for Each Communications Mode
Allocation Patterns First address: CIO 2000 + (10 x Unit No.)
Com-
muni-
cations
mode
Mode
name
Allowable
Slave Unit
node
addresses
per Master
Unit
Control
points per
Master Unit
Unit num-
bers per
Master Unit
Allocated area Words allocated in I/O Memory
Output
Area
Input Area Status Parameter
settings
Participa-
tion Flags
and Com-
munica-
tions Error
Flags
0 Commu-
nica-
tions
mode 0
Word Slave
Units: 8
input and 8
output node
addresses
Word Slave
Units: 128
inputs and
128 outputs
2 Special I/O Unit
Area
Word Slave
Units: 8
words
Word Slave
Units: 8
words
1 word 1 word Word Slave
Units: 2
words
1 Commu-
nica-
tions
mode 1
Word Slave
Units: 16
input and 16
output node
addresses
Word Slave
Units: 256
inputs and
256 outputs
4 Word Slave
Units: 16
words
Word Slave
Units: 16
words
1 word 1 word Word Slave
Units: 4
words
2 Commu-
nica-
tions
mode 2
Word Slave
Units: 32
input and 32
output node
addresses
Word Slave
Units: 512
inputs and
512 outputs
8 Word Slave
Units: 32
words
Word Slave
Units: 32
words
1 word 1 word Word Slave
Units: 8
words
3 Commu-
nica-
tions
mode 3
Word Slave
Units: 16
input and 16
output node
addresses
Bit Slave
Units: 64
input and 64
output node
addresses
Word Slave
Units: 256
inputs and
256 outputs
Bit Slave
Units: 128
inputs and
128 outputs
8 Word Slave
Units: 16
words + Bit
Slave Units:
8 words
Word Slave
Units: 16
words + Bit
Slave Units:
8 words
1 word 1 word Word Slave
Units: 4
words + Bit
Slave Units:
16 words
8 Soft-
ware
Setting
Mode
Word Slave
Units: 64
input and 64
output node
addresses
Bit Slave
Units: 128
input and
128 output
node
addresses
Word Slave
Units: 1,024
inputs and
1,024 out-
puts Bit
Slave Units:
256 inputs
and 256
outputs
1 The first address
can be set for Word
Slave Unit outputs,
Word Slave Unit
inputs, Bit Slave
Unit outputs, and
Bit Slave Unit
inputs. (Can be
allocated in the
CIO, WR, HR, or
DM Area using a
software setting
from the CX-Inte-
grator.)
Word Slave
Units: 64
words + Bit
Slave Units:
16 words
max. (Soft-
ware set-
ting from
the CX-Inte-
grator.)
Word Slave
Units: 64
words + Bit
Slave Units:
16 words
max. (Soft-
ware set-
ting from
the CX-Inte-
grator.)
1 word 1 word Word Slave
Units: 16
bits +Bit
Slave Units:
32 bits
Note The two words for
status and parame-
ter settings are allo-
cated in the Special
I/O Unit Area.
Communications
mode number
Pattern
0 Special I/O Unit Area
Words +0
to
+7
Output data (8 words)
Word Slave Unit outputs 0 to 7
Words +8
to
+15
Input data (8 words)
Word Slave Unit inputs 0 to 7
Word +16 Status (1 word)
Word +17 Parameter settings (1 word)
Words +18
+19
Participation Flags and Communications Error
Flags (2 words)