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7 Changing Output Characteristic
7.1 Procedure for Changing Output Characteristics
FX
3G
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
FX3U-4DA (4-channel Analog Output)
3 Determine the output characteristics to be changed.
Example: Change to output voltage of 1 to 5 V with digital values 0 to 32000
4 Determine the offset data.
Determine the analog output value for the digital output value of 0.
Set the analog output value in mV for the voltage output mode, and the analog output value in μA
for the current output mode.
Example: To set the offset value of 1 V, set 1000 mV.
→ For a detailed description of the offset data, refer to Subsection 5.4.6.
5 Determine the gain data.
Determine the analog output value for the digital output value of 16000.
Set the analog output value in mV for the voltage output mode, and the analog output value in μA
for the current output mode.
Example: To set the gain value of 3 V, set 3000 mV.
(5-1)÷2+1 = 3V (3000 mV)
→ For a detailed description of the gain data, refer to Subsection 5.4.6.
Voltage output valueVoltage output value
+10V
+10.2V
-10.2V
-10V
-32000
+32000
0
0
Output mode: 0
Output characteristics newly provided
Output characteristics provided at the time
of factory shipment
Digital
value
Digital
value
32000
5V
1V