Electrical Design
‑72‑
Terminal
Mark
Terminal
Type
Sub‑
termi
nal
Mark
Function
Specification
‑
DIP
switch
S1
Board‑
mounted RS485
communication
matching
resistor switch
Enabled by default
S2
CANlink
communication
matching
resistor switch
Enabled by default
S3 Operating
panel RS485
communication
matching
resistor switch
Enabled by default
S4
Operating
panel RS485
communication
matching
resistor switch
Enabled by default
Note
● If the ambient temperature exceeds 23ºC, derate the output current by 1.8 mA for
every additional 1ºC. The maximum output current is 170 mA at 40ºC. When OP is
shorted to 24V, the DI terminal current must be considered.
● Based on the maximum output voltage of the signal source, select 500 Ω or 250 Ω
impedance. For example, if 500 Ω is selected, keep the maximum output voltage
not lower than 10 V so that AI2 can detect 20 mA current.
Table 3–12 Terminal list
External Terminal
Name
Internal Terminal
Name
Terminal Type Signal Type
CN1 J32
Pluggable terminal
block
Terminal for input of
external 24 V power
supply
CN2 J33
Pluggable terminal
block
Safety function
terminal
CN3 J34
Pluggable terminal
block
Common digital
input terminal
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