Unitronics Industrial Automation
1
IO-LC1, IO-LC3
I/O Expansion Modules 1-3 Loadcell Inputs, 1 Digital In, 2 Out
The IO-LC1 and IO-LC3 are I/O
Expansion Modules that can be used in
conjunction with specific Unitronics OPLC
controllers.
IO-LC1 offers 1 Loadcell input; IO-LC3
module offers 3 Loadcell inputs. Both
modules offer 1 PNP (source) input and 2
short-circuit protected PNP (source)
outputs with optional setpoint action that is
defined via software settings.
The interface between the module and the
OPLC is provided by an adapter.
The module may either be snap-mounted
on a DIN rail, or screw-mounted onto a
mounting plate.
Component identification
1 Module-to-module
connector
2
Communication status indicator
3
Power and I/O connection points
4
I/O connection points (IO-LC3 only)
5
Power and I/O status indicators
6
Module-to-module connector port
Note:
The single Loadcell input offered by IO-LC1 is marked
LC and is located where the input LC2 is shown above.
Before using this product, it is the responsibility of the user to read and understand this document and
any accompanying documentation.
All examples and diagrams shown herein are intended to aid understanding, and do not guarantee
operation. Unitronics accepts no responsibility for actual use of this product based on these examples.
Please dispose of this product in accordance with local and national standards and regulations.
Only qualified service personnel should open this device or carry out repairs.
User safety and equipment protection guidelines
This document is intended to aid trained and competent personnel in the installation of this equipment as
defined by the European directives for machinery, low voltage, and EMC. Only a technician or engineer trained
in the local and national electrical standards should perform tasks associated with the device’s electrical wiring.
Symbol Meaning
Description
Danger
The identified danger causes physical
and property damage.
Warning
The identified danger can cause
physical and property damage.
Symbols are used to highlight
information relating to the user’s
personal safety and equipment
protection throughout this document.
When these symbols appear, the
associated information must be read
carefully and understood fully.
Caution
Caution Use
caution.
Failure to comply with appropriate safety guidelines can result in severe personal injury or
property damage. Always exercise proper caution when working with electrical equipment.
