Mitsubishi Electric MELSEC-L Series LD40PD01 - Page 106

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9 CREATING A HARDWARE LOGIC
9.1 Main Blocks in the Hardware Logic Outline Window
Relationship of I/O in the hardware logic
This section describes the relationship between the I/O in the hardware logic and the I/O of X/Y devices and of the connectors
for external devices.
■Signal status name
In the flexible high-speed I/O control module, each signal status is called as shown below.
Input terminal Output terminal
Y 10 Y device terminal OUT 0 External output block
IN 0 External input block OUT 1 External output block
OUT 1 OUT terminal OUT 2 External output block
Signal status Name
Status of input signals from external devices ON OFF
Status of internal signals (terminals) of the hardware logic High Low
Status of DC output signals to external devices ON OFF
Status of differential output signals to external devices High Low
IN 0
OUT 0
OUT 1
OUT 2
Y10
Y10
X10
IN 0
OUT 1
OUT 0
OUT 1
OUT 2
Connector for
external devices
(input)
Connector for
external devices
(output)
CPU module Flexible high-speed I/O control module
Program Hardware logic
Processing
Processing
Processing