58
Transistor Input Units Section 4-3
Components
Internal Circuits
Terminal Arrangement
25-pin D-sub Connector
(female)
Connects to input devices, such as
switches and sensors, via an I/O Block
or a Connector-Terminal Block
Conversion Unit.
DIN Track Mounting HookTerminal Block
I/O Unit Interface
Communications Connector 1
(on the Communications Unit side)
TS Indicator
Input Indicators
Display the status of the inputs.
Lit when an input is ON.
I/O Unit Interface
Communications Connector 2
(on the terminator side)
(Refer to page 200.)
V (Terminal block)
Input (IN00 to IN07)
Pins 1 to 8
G (Terminal block)
V (Connector)
Input (IN08 to IN15)
Pins 14 to 21
Photo-
coupler
Internal circuits
Photo-
coupler
G (Connector)
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