Function Applications
-431-
main frequency reference source; when F0-03 is set to 4, AI3 is used as the main frequency reference
source.
When an AI terminal is used as the frequency source, one among five types of AI curves can be set for
the AI terminal. The AI curve defines the relationship between the analog input voltage (or current) and
the corresponding setpoint.
Step
Related Parameters
Description
(Step 1) Select an AI terminal as the
frequency reference source:
Select the terminal for setting the
frequency reference based on
terminal characteristics.
F0-03 (main frequency
reference source)
F0-03 = 2
Select AI1.
F0-03 = 3
Select AI2.
F0-03 = 4
Select AI3.
(Step 2) Select the AI hardware
source:
Select the AI hardware source and
function.
F4-25, F4-27, F4-29
Select the analog input source.
F4-25: Select the hardware source for AI1.
F4-27: Select the hardware source for AI2.
F4-29: Select the hardware source for AI3.
The power supply unit and I/O extension
cards 1 and 2 each are equipped with two AI
terminals (AI1 and AI2). The mapping between
the parameter values and AI hardware sources
is as follows:
1: AI1 of the power supply unit
2: AI2 of the power supply unit
101: AI1 of extension card 1
102: AI2 of extension card 1
201: AI1 of extension card 2
202: AI2 of extension card 2
Set the following
parameters on the power
supply unit:
A1-10, A1-11
A2-10, A2-11
A3-10, A3-11
Select the analog input function, which can be
voltage input, current input, or temperature
input (PT100/PT1000/KTY84-130/PTC-130).
A1-10 and A1-11: Input selection for AI1 and
AI2 of the power supply unit
A2-10 and A2-11: Input selection for AI1 and
AI2 of I/O extension card 1
A3-10 and A3-11: Input selection for AI1 and
AI2 of I/O extension card 2
The mapping between the parameter values
and input selections is as follows:
0: Voltage input
1: Current input
2: Temperature input PT100
3: Temperature input PT1000
4: Temperature input KTY84-130
5: Temperature input PTC-130
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