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7-2
Note In this chapter, the bits, words, and data memory used in the ladder pro-
grams are selected at random. When creating actual programs, modify the
contents so that they do not overlap with other areas.
7-1 Standard Remote I/O Programming
When the following standard remote I/O programming is executed, the rotational speed reference data
specified in the DM (Data Memory) Area of the PC is written to the 3G3FV Inverter and forward or re-
verse operation is performed at the specified frequency when the Frequency Reference Input Bit is
turned ON and the Forward Input Bit or Reverse Input Bit is turned ON.
H Allocations
Bit
Bit
Bit
Bit
Bit
Bit
Frequency Reference Input Bit
Forward Input Bit
Reverse Input Bit
Fault Reset Input Bit
Local/Network selection Bit
Fault Flag
Rotational speed reference data
00000
00001
00002
00003
00004
03000
DM0000
D Remote I/O: Outputs from PC to 3G3FV Inverter Words n and n + 1
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
n
Rightmost 0 --- Net
Reference
Net
Control
--- --- Fault
Reset
Reverse/
Stop
Forward/
Stop
Leftmost 1 --- --- --- --- --- --- --- ---
n+1
Rightmost 2
Rotational speed reference data
Leftmost 3
Rotational speed reference data
D Remote I/O: Inputs from 3G3FV Inverter to PC Words m and m + 1
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
m
Rightmost 0 At
Frequency
Reference
From Net
Control
From Net
Inverter
Ready
During
Reverse
Run
During
Forward
Run
Warning Fault
Leftmost 1 --- --- --- --- --- --- --- ---
m+1
Rightmost 2
Rotational speed reference data
Leftmost 3
Rotational speed reference data
Communications Programs (SYSMAC C200HX/HG/HE PCs) Chapter 7