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4. Control Unit
4.1 Name and Function of Each Part
Name of Each Part
Frame grounding (FG)
terminal
Perform Type D grounding.
Auxiliary power supply
terminals (MA, MB)
Power supply to run this unit
LED
Indicate the operating status
of this unit.
For details, refer to
4.1.2 LED Indicator and
Function.
External output terminals:
Output 1: Y1, COM Y1
Output 2: Y2, COM Y2
Output 3: Y3, COM Y3
Output 4: AY (A), COM AY (A)
Output 5: AY (V), COM AY (V)
Connect the output signal
lines.
Y1, Y2, Y3: contact output.
AY (A), AY (V): analog output
For details, refer to
4.3
How to Wire.
The back side
IEC rail fixture
The front side
MODBUS RTU communication terminals (485+, 485-, SLD, Ter）
485+, 485-: Connect the MODBUS communication lines.
SLD: Perform Type D grounding
Ter: Only when this unit is installed at the endmost of the link,
connect to the 485- terminal.
The right side
Connector for extension unit
Connect the extension unit.
For details, refer to
of Optional Products.
Connector for small type
display unit
Connect the small type
display unit connector.
Reset button
Reset this unit.
STOP/RUN switch
Switch the control
operation status of this unit.
RUN: In control
STOP: Off-control
Battery cover
The lithium battery is stored
to back up the present time
data.
The connector of the
lithium battery is
disconnected when
shipped from the factory.
Before use, connect it.
For details, refer to
4.3.6
Connecting/Replacing
the Lithium Battery.
Connector for option unit
Connect the option unit.
For details, refer to
14.1 List
of Optional Products.
15
The bottom side
Connector for software
communication
Connector for communication
with Control Unit Engineering
Tool (EMU4-KNET)
The left side
14.1 List
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