Changing Of Input Characteristics - Mitsubishi FX3U-4AD User Manual

FX /FX /FX PLC User's Manual - Analog Control Edition
3G 3U 3UC
FX -4AD-ADP (4-channel analog Input)
3U
5.

Changing of Input Characteristics

Use the scaling instruction (SCL/FNC 259) for the FX
characteristics. FX
the input characteristics.
→ For a detailed description of scaling instruction, refer to the FX
5.1 Example: Changing of Voltage Input Characteristics
In the example explained in this section, the voltage input data "1 to 5 V" (Digital output value: 400 to 2000) is
changed to the digital output value "0 to 10000".
1. Input characteristics
C-26
Series PLCs do not support the scaling instruction. Use sequence programs to change
3G
Voltage input characteristics
(product specifications)
4000
2000
400
0
1V 5V
Analog input
5.1 Example: Changing of Voltage Input Characteristics
/FX Series PLC to change the input
3U 3UC
3G
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
5 Changing of Input Characteristics
/FX /FX Series Programming
3U 3UC
X-axis
2000(5V)