Changing Of Input/Output Characteristics - Mitsubishi Electric FX3G User Manual

FX /FX /FX /FX /FX
3S 3G 3GC 3U
FX -3A-ADP (2-channel Analog Input, 1-channel Analog Output)
3U
5.

Changing of Input/output Characteristics

Use the scaling instruction (SCL/FNC259) for the FX
characteristics. FX
programs to change the input/output characteristics.
→ For a detailed description of scaling instruction, refer to the FX
5.1 Example: Changing of Voltage Input Characteristics
This section describes an example of a program that can change the digital output range of 400 to 2000
(when the voltage input is 1 to 5 V) to the digital output range of 0 to 10000.
1. Input characteristics
H-32
PLC User's Manual - Analog Control Edition
3UC
/FX /FX Series PLCs do not support the scaling instruction. Use sequence
3S 3G 3GC
Voltage input characteristics
(product specifications)
4000
2000
400
0
1V 5V
Analog input
5 Changing of Input/output Characteristics
5.1 Example: Changing of Voltage Input Characteristics
/FX Series PLC to change the input/output
3U 3UC
Programming Manual - Basic & Applied Instruction Edition.
Digital output value to be changed
Y-axis
10000
10V
0 400 (1V)
Digital value actually obtained
by A/D conversion
/FX /FX /FX /FX
3S 3G 3GC 3U
X-axis
2000 (5V)
Series
3UC