Mitsubishi Electric MELSEC L Series Manual page 81

4
ANALOG I/O MODULE REPLACEMENT
Point
Replacement module L60AD2DA2 does not have the simple loop control (function expression) function.
When the simple loop control (function expression) function is used with A1S63ADA, the sequence
program needs to be addressed.
• Processing of the simple loop control (function expression) of A1S63ADA
Analog (voltage/current) input
Analog (voltage/current) input
Examples of function
formula
• Processing when it is replaced with L60AD2DA2
CPU module
Sequence program
A program executing
the same processing
as the function
formula of A1S63ADA
A1S63ADA
CH1
X
1
A/D
conversion
Function
formula
CH2
X
2
A/D
conversion
1) y = AX +BX +C
1 2
X
1
2) y = A +C
X
2
3) Coordinate specification: CH1 Analog input/CH3 Analog output
L60AD2DA2
Reading CH1 Digital value
Reading CH2 Digital value
Writing CH3 Digital value
CH3
y
D/A
Analog (voltage/current) output
conversion
A, B, C: constant
X : CH1 Analog input value
1
X : CH2 Analog input value
2
y: CH3 Analog output value
CH1 Digital output value Analog (voltage/current) input
CH2 Digital output value Analog (voltage/current) input
CH3 Digital input value Analog (voltage/current) output
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