3 Part Names and Functions
3-8
CP1E CPU Unit Hardware User’s Manual(W479)
Number
Name
Function
���
Input terminal block
This is the terminal block for inputs such as the power supply input and
24-VDC inputs.
���
Input indicators (yellow)
Input status is displayed. An indicator will be ON when the input is ON.
���
Peripheral USB port
Used to connect to a personal computer for programming and monitor-
ing by the CX-Programmer for CP1E.
���
Analog adjusters for
N/NA
-type CPU Units
By turning an analog adjuster, it is possible to adjust the value of A642
or A643 within a range of 0 to 255.
���
Operation indicators
The CPU Unit’s operating status can be confirmed with this indicator.
Refer to CPU Unit Status Indicators (Page 3-9).
���
Power supply input terminal Power of 100 to 240 VAC or 24 VDC can be supplied.
���
Input terminals
Input devices such as switches and sensors can be connected.
���
Ground terminal
Protective ground (
): To prevent electric shock, ground to 100
Ω
or
less.
Functional ground (
): If noise is a significant source of errors or if
electrical shock is a problem, connect to the protective ground terminal
and ground both with a ground of 100
Ω
or less (AC power supply only).
���
Expansion I/O Unit connec-
tor
CP-series Expansion I/O Units or Expansion Units such as Analog I/O
Units, and Temperature Sensors can be connected.
Refer to 5-2-4 Connecting Expansion I/O Units and Expansion Units.
������
Output indicators (yellow)
Output status is displayed. An indicator will be ON when the output is
ON.
������
Output terminal block
This is the terminal block for outputs such as relay outputs, transistor
outputs, and the external power supply output.
������
Output terminals
Loads such as lamps, contactors, and solenoid valves can be con-
nected.
������
External power supply ter-
minals
The external supply terminals output up to 300 mA max at 24 VDC.
They can be used as a service power supply for input devices (AC
power supply only).
������
Battery cover for
N/NA
(S
)-type CPU
Units
A Battery can be installed by opening the cover. (Battery is optional).
������
Built-in RS-232C communi-
cations status indicator
This indicator will be flashing when the built-in RS-232C port is in com-
munication mode.
������
Option Board slot for
N/NA
-type CPU Units
An Option Board can be connected to the slot.
•
CP1W-CIF01 RS-232C Option Board
•
CP1W-CIF11 RS-422A/485 Option Board (Maximum transmission
distance: 50 m) or CP1W-CIF12 RS-422A/485 Option Board
(Maximum transmission distance: 500 m)
•
CP1W-CIF41 Ethernet Option Board version 2.0(Maximum
transmission distance: 100 m)
������
Built-in RS-232C port for
N/NA
(S
)-type CPU
Units
By connecting a PT, the controlled system can be monitored and data
can be collected.
������
Built-in RS-485 communi-
cations status indicator
This indicator will be flashing when the built-in RS-485 port is in com-
munication mode.
������
Built-in RS-485 port for
N
S1-type CPU Units
Communications are possible between an inverter and a PLC by using
Modbus-RTU and Serial PLC Links.
������
Analog input terminals for
NA
-type CPU Units
Analog output devices such as switches and sensors can be connected.
������
Analog output terminals for
NA
-type CPU Units
Analog input device can be connected.
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