29
Type
Terminal
Name Function Specification
Analog input
AI1
Analog
single-end
input AI1
To receive the single-end
analog voltage or current
input with the analog input
voltage/current selected via
the jumper and the
corresponding input type
selected by the function code
P10.00 (reference grounding:
GND)
Input voltage range: -10V~10V (input
resistance: 20kΩ), resolution: 1/4000
Input current range: 0mA~20mA (input
resistance: 246Ω), resolution: 1/2000
AI2
Analog
single-end
input AI2
AI3+
Analog voltage
differential
input AI3+ or
analog voltage
single-end
input
For the analog voltage
differential input, the AI3+ is
the non-inverting input
terminal and the AI3- is the
inverting input terminal.
For the analog voltage
single-end input, AI3+ is the
signal input terminal and AI3-
shall be connected to GND
(reference grounding: GND).
Input voltage range: -10V~10V (input
resistance: 15kΩ), resolution: 1/4000
AI3-
Analog voltage
differential
input AI3- or
analog voltage
single-end
input
Analog output
AO1
Analog output
1
When providing the analog
voltage/current output, it can
represent 27 values. The
analog output of the
voltage/current is selected via
the jumper, and the output
range of the analog
voltage/current is selected in
the function code P10.22
(reference grounding: GND).
Voltage output range: 0/2~10V
Current output range: 0/4~20mA
AO2
Analog output
2
Communication
RS485+
RS485
communication
interface
Positive end of 485 differential
signal (reference grounding:
GND)
Standard RS485 communication interface.
Please use twisted pair wire or
shielded wire.
RS485-
Negative end of 485
differential signal (reference
grounding: GND)
Encoder
A+
，
A-
Encoder phase
A signal
Differential input signal of
encoder phase A
Maximum input frequency ≤100kHz
B+
，
B-
Encoder phase
B signal
Differential input signal of
encoder phase B
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