Reading Parameter Data - Omron 3G3MV-PDRT2 User Manual

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
■
Bit 000000
Read Parameter Input Bit
Bit 000002
Faulty Data Reset Input Bit
Bit 003000 Data Read Flag
Bit 003001
Faulty Data Flag
Bit 003005
Data Read Completed Flag
D00000
Register number of the parameter to be read
D00001
Read data
● Remote I/O Allocation Areas
I/O classification
Output
(PLC to 3G3MV
Inverter)
Input
(3G3MV Inverter to
PLC)
Timing Chart
■
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)
Word address
n Register number (leftmost
byte)
n+1 Register data (leftmost byte)
n+2 Not used.
m Register number (leftmost
byte)
m+1 Register data (leftmost byte)
m+2 Not used.
Send Data (Read)
1
Input
Flag
15 to 8
Chapter 9
7 to 0
Function code (10: Write, 03:
Read)
Register number (rightmost
byte)
Register data (rightmost byte)
Function code (10: Write, 03:
Read)
Register number (rightmost
byte)
Register data (rightmost byte)
Receive Data (Read)
2
9-19