Omron C200HW-SRM21-V1 - 08-2007 Operation Manual page 155

CQM1-SRM21-V1 Master Unit for CQM1 PLCs
I/O Allocations in 4-point Mode
134
I/O Allocation Example (4 Words)
In this example the number of points/node number is set to 8, the PLC word
allocations are set to 4 words, and the system has the configuration shown in
the following diagram. (The node numbers are indicated by #0, #1, and #2.)
CQM1
#1 #2
SRT1- SRT1-
ID04 ID08
4 inputs 8 inputs
The I/O allocations for this system are shown below.
Inputs
IR 000
IR 001
IR 002
IR 003
Outputs
SRT1-OD08
IR 100
IR 101
IR 102
IR 103
PLC Word Allocation: 2 Words
The following diagram shows the I/O allocations when the DIP switch is set as
shown below.
Pin 1: OFF Pin 2: OFF
Inputs:
Input Slave 3
First word
Outputs:
Output Slave 3
First word
PLC Word Allocation: 4 Words
The following diagram shows the I/O allocations when the DIP switch is set as
shown below.
CQM1-SRM21-V1
PS: Power Supply Unit
CPU: CPU Unit
IN: Input Unit or CPU Unit inputs
OUT: Output Unit
SRM: Master Unit
#2 #1
SRT1- SRT1-
ROC16 OD08
16 outputs 8 outputs
Built-in CPU inputs
SRT1- SRT1-
ID04 ND08S
SRT1-ID08
Input Unit
SRT1-
ND08S
SRT1-ROC16
Output Unit
Output Unit
Pin 3: ON
Input Slave 2 Input Slave 1
Output Slave 2 Output Slave 1
Section 4-4
Terminator
#0
SRT1-
ND08S
4 inputs, 4
outputs
Bits
Unused bits
Bits
Unused bits
Bits
Input Slave 0
Output Slave 0