30
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
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
Communi
cation
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)