AutomationDirect DL105, User Manual

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Getting
Started
1--10
Getting Started
DL105 PLC User Manual, 3rd Edition
Steps to Designing a Successful System
Always make safety the first priority in any
system design. Chapter 2 provides
several guidelines that will help you
design a safer, more reliable system. This
chapter also includes wiring guidelines for
the various versions of the DL105 PLC.
The PLC is the heart of your automation
system. Make sure you take time to
understand the various features and setup
requirements.
There are many considerations involved
when you select your I/O type and field
devices. Take time to understand how the
various types of sensors and loads can
affect your choice of I/O type.
+
--
Input
Sensing
PLC
Input
Common
It is important to understand the various
system design options that are available
before wiring field devices and field-side
power supplies to the Micro PLC.
10 Inputs Commons
Commons 8 Outputs
Power Input
PLC
DL105
+ --
Loads
+24 VDC
AC
Power
Before you begin to enter a program, it is
very helpful to understand how the DL105
system processes information. This
involves not only program execution
steps, but also involves the various modes
of operation and memory layout
characteristics.
Power up
Initialize hardware
Step 1:
Review the
Installation
Guidelines
Step 2:
Understand the
PLC Setup
Procedures
Step 3:
Review the I/O
Selection Criteria
Step 4:
Choose a System
Wiring Strategy
Step 5:
Understand the
System Operation