Omron 3G3MV-PDRT2 - Reading Parameter Data

Chapter 9
9-19
Communications Programs (CS-series PLCs)
9-3-2 Reading Parameter Data
This programming example is designed to read the parameter data specified in the 3G3MV Inverter.
To use special remote I/O, it is necessary to switch the remote I/O operation. Refer to 5-2 Switching
the Remote I/O Function and change to the special remote I/O operation.
■ Allocation
● Remote I/O Allocation Areas
■ Timing Chart
I/O classification Word address 15 to 8 7 to 0
Output
(PLC to 3G3MV
Inverter)
n Register number (leftmost
byte)
Function code (10: Write, 03:
Read)
n+1 Register data (leftmost byte) Register number (rightmost
byte)
n+2 Not used. Register data (rightmost byte)
Input
(3G3MV Inverter to
PLC)
m Register number (leftmost
byte)
Function code (10: Write, 03:
Read)
m+1 Register data (leftmost byte) Register number (rightmost
byte)
m+2 Not used. Register data (rightmost byte)
Bit 000000
Bit
000002
Bit
003000
Bit 003001
Bit 003005
D00000
D00001
Flag
Input
Read Parameter Input Bit
Faulty Data Reset Input Bit
Data Read Flag
Faulty Data Flag
Data Read Completed Flag
Register number of the parameter to be read
Read data
1 2
000000 (Read Parameter
Input Bit)
003000 (Data Read Flag)
003005 (Data Read Completed
Flag)
Word n to n+2 (Send Data)
Word m to m+2 (Receive Data)
Send Data (Read)
Receive Data (Read)