OPERATION MANUAL CompoBus/S

CS1W-SRM21 Master Unit for CS-series PLCs Section 4-2
I/O Allocations when Pin 1 Is OFF
When pin 1 is OFF and node addresses IN0 to IN7 and OUT0 to OUT7 (64
inputs/64 outputs max) are used, words are allocated to the Slaves for each
node number as shown in the following diagram.
Special I/O Unit Area in Master PLC
First word
CIO 2000 Unit number 0
Slave allocations in Special I/O Unit Area
CIO 2010
CIO 2020
Unit number 1
Unit number 2
Bits
CIO 2030
CIO 2040
CIO 2050
CIO 2060
CIO 2070
Unit number 3
Unit number 4
Unit number 5
Unit number 6
Unit number 7
15 14
First word
Bit 7
First word
+ 1 Bit 7
First word
+ 2 Bit 7
First word
+ 3 Bit 7
13 12 11 10 9
Output Slave 1
Output Slave 3
Output Slave 5
Output Slave 7
8
0
0
0
0
7 6
Bit 7
Bit 7
Bit 7
Bit 7
5 4 3 2 1 0
Output Slave 0
0
Output Slave 2
0
Output Slave 4
0
Output Slave 6
0
First word
+ 4 Bit 7
Input Slave 1
0 Bit 7
Input Slave 0
0
CIO 2920
CIO 2930
CIO 2940
CIO 2950
Unit number 92
Unit number 93
Unit number 94
Unit number 95
First word
+ 5
First word
+ 6
First word
+ 7
First word
+ 8
Input Slave 3
Bit 7
0
Input Slave 5
Bit 7
0
Input Slave 7
Bit 7
0
Output Slave Error Flags
Bit 7
0
Input Slave 2
Bit 7
0
Input Slave 4
Bit 7
0
Input Slave 6
Bit 7
0
Active output Slave Flags
Bit 7
0
First word
+ 9 Bit 7
Input Slave Error Flags
0
Active Input Slave Flags
Bit 7
0
Outputs
Inputs
Status
93