2. Specifications
2-8
●
General-purpose input, general purpose outputs #1 to 4, RS-485 communications ports #2
to 4, FG terminals (terminal block)
(A) (A) (A)
(B) (B) (B)
Name
Indication
Details
General-Purpose Input
Terminal
IN+
Terminal for general-purpose input. To connect
to pulse output of a measurement device.
IN-
General-Purpose Output 1
Terminal
OUT1+ Terminal for general-purpose output 1.
OUT1-
General-Purpose Output 2
Terminal
OUT2+ Terminal for general-purpose output 2.
OUT2-
General-Purpose Output 3
Terminal
OUT3+ Terminal for general-purpose output 3.
OUT3-
General-Purpose Output 4
Terminal
OUT4+ Terminal for general-purpose output 4.
OUT4-
RS-485 Communications
Port #2 Terminal
Terminal to connect the communications cable
between RS-485 communications ports #2 and
an RS-485-connected measurement device.
RS485_2-
RS-485 Communications
Port #3 Terminal
Terminal to connect the communications cable
between RS-485 communications ports #3 and
an RS-485-connected measurement device.
RS485_3-
RS-485 Communications
Port #4 Terminal
Terminal to connect the communications cable
between RS-485 communications ports #4 and
an RS-485-connected measurement device.
RS485_4-
FG Terminal
FG
Terminal to connect the shield wire for RS-485
communications cable connected to RS-485
communications ports #2 to 4.
The FG terminal is electrically connected to the
grounding terminal.