Electrical Design
‑72‑
Terminal
Code
Terminal Function Terminal Type Specifications
DO1
DO terminal 1 Digital output DO1 to DO8 are ordinary
isolated sink/source output
terminals, which cannot be
directly connected to the power
supply. A pull‑up resistor is
required for connecting them to
the power supply and the
impedance is determined by
the load requirements. The
maximum output capacity is 24
VDC/50 mA.
DO2
DO terminal 2
DO3
DO terminal 3
DO4
DO terminal 4
DO5
DO terminal 5
DO6
DO terminal 6
DO7
DO terminal 7
DO8
DO terminal 8
AI1
AI terminal 1 Analog input Set as voltage input, current
input, or temperature input
through parameters.
When used as voltage/current
input, AI1 and AI2 support ‑10 V
to +10 V/0 to 20 mA. Their
resolution is 12‑bit, correction
accuracy is 0.3%, and input
impedance is 22 kΩ for voltage
input and 500 Ω for current
input.
Temperature detection for
PT100, PT1000, KTY‑84‑130, and
PTC‑130 is available.
AI2
AI terminal 2
+10V
10V power supply
10V power
supply
10 V±10%, maximum 10 mA
GND
Analog ground Analog ground
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