EZAutomation EZ7-TouchPLC User manual

EZ7-TouchPLC Junior Quick Start Guide
Doc Version 1.0,
08/2019
EZAutomation.net
1-877-774-EASY (3279)

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EZ7-TouchPLC Junior
Contents
1PRODUCT OVERVIEW ......................................................................................................................................................... 4
1.1 SYSTEM DIAGRAM .................................................................................................................................................................. 4
1.2 DOCUMENTS FOR MORE INFORMATION ...................................................................................................................................... 4
2PART NUMBER ................................................................................................................................................................... 5
3SPECIFICATION ................................................................................................................................................................... 6
4QUICK-START ..................................................................................................................................................................... 7
5INSTALLATION.................................................................................................................................................................... 8
GUIDELINES........................................................................................................................................................................... 8
MOUNTING INFORMATION..................................................................................................................................................... 11
5.2.1 Overall Dimensions...................................................................................................................................................... 11
5.2.2 T7C (7” Display) Mounting dimensions ....................................................................................................................... 12
MOUNTING INSTRUCTIONS..................................................................................................................................................... 12
6WIRING ............................................................................................................................................................................ 16
PORTS AND COMMUNICATIONS............................................................................................................................................... 16
JUNIOR PLC-I/O ................................................................................................................................................................. 17
6.2.1 Inserting and Removing I/O modules.......................................................................................................................... 17
6.2.2 EZ-IO Wiring ................................................................................................................................................................ 17
6.2.3 I/O Module Information .............................................................................................................................................. 17
7PROGRAMMING .............................................................................................................................................................. 18
PLC OPERATION SEQUENCE ................................................................................................................................................... 18
CREATE A PROJECT ............................................................................................................................................................... 19
TRANSFER PROJECT............................................................................................................................................................... 22
8CPU MEMORY .................................................................................................................................................................. 24
MEMORY TYPES................................................................................................................................................................... 24
MAPPING CONVENTIONS ....................................................................................................................................................... 25
9SETTING IP ADDRESS AND DATE/TIME ............................................................................................................................. 27
SET UP IP ADDRESS............................................................................................................................................................... 27
9.1.1 Using EZTouch Editor Serially Connected to EZ7: ........................................................................................................ 27
9.1.2 Using IP Configuration Utility:..................................................................................................................................... 29
SETTING DATE/TIME............................................................................................................................................................. 30
10 MAINTENANCE AND TROUBLESHOOTING ........................................................................................................................ 31
GENERAL ............................................................................................................................................................................ 31
DISPLAY VERIFICATION TESTS.................................................................................................................................................. 31
UPDATE FIRMWARE .............................................................................................................................................................. 32
TROUBLESHOOTING .............................................................................................................................................................. 34

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EZ7-TouchPLC Junior
Warnings
Programmable control devices such as the EZ7-TouchPLC Junior units are not fail-safe devices and such as must not be
used for stand-alone protection in any application. Unless proper safeguards are used, unwanted start-ups could result
in equipment damage or personal injury. The operator must be made aware of this hazard and appropriate precautions
must be taken.
In addition, consideration must be given to the use of an emergency stop function that is independent of the EZ7-
TouchPLC Junior.
The diagrams and examples in this user manual are included for illustrative purposes only. The manufacturer cannot
assume responsibility or liability for actual use based on the diagrams and examples.
Trademarks
This publication may contain references to products produced and/or offered by other companies. The product and
company names may be trademarked and the sole property of their respective owners. AVG Automation disclaims
any proprietary interest in the marks and names of others.
Manual part number: EZ7-TouchPLC Junior
© Copyright 2019, AVG Automation All Rights Reserved
No part of this document shall be copied, reproduced, or transmitted in any way without the prior written consent of
AVG Automation. AVG Automation retains the exclusive rights to all information included in this document.
Designed, Built and Marketed by AVG
4140 Utica Ridge Rd. · Bettendorf, IA 52722-1327
Phone: [phone]-EASY · Fax: [phone]-EASY · www.ezautomation.net
EU Information
The EZ7 Series TouchPLC is manufactured in compliance with European Union (EU) Directives and carries the CE
mark. They been tested under CE Test Standard #EN55011, and is submitted for UL Certification. Products with CE
marks perform their required functions safely and adhere to relevant standards as specified by EU directives
provided they are used according to their intended purpose and that the instructions in this manual are adhered to.
The protection provided by the equipment may be impaired if this equipment is not used in accordance with this
manual. Only replacement parts supplied by AVG Automation or its agents should be used.
Technical Support
Consult Programming Software Help Directory. You may also find answers to your questions in the operator interface
section of our website @ www.ezautomation.net. If you still need assistance, please call our technical support at 1-
877-774-EASY or FAX us at 1-877-775-EASY.
SELV Circuits
All electrical circuits connected to the communications port receptacle are rated as Safety Extra Low Voltage (SELV).
Preventative and Maintenance Cleaning
No special preventative measurement is required.

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EZ7-TouchPLC Junior
1Product Overview
Thank You for your interest in AVG Automation’s latest unique offering, the EZ7 Series TouchPLC.
EZ7-TouchPLC is two piece products: Front part consisting of display (and touch screen) housed in metal, and a back
part that has PLC processor. Front part is installed on the front of the control cabinet, while the back part is installed
on the back of the control cabinet door. The two are connected using a cable.
This construction has following benefits:
No large cutouts for the Front and Back PLC, only drill holes for the studs, and a hold for cable
Easily replace worn-out touch screens instead of changing whole unit
If required, upgrade to larger display sizes without need to change the back.
Use the same EZTouch editor that is used for other EZTouch families of TouchPLC
Support for a variety of PLC Protocols including DH+ and Remote I/O
1.1 System Diagram
1.2 Documents for more information
This manual provides information on installation, wiring and getting started with editor software. Editor software
provides help on software. Following documents have more detailed information on the Panel and PLC:
1. EZ Series Touch Panel Software
Serial or Ethernet or USB Connection
for programming and monitoring
PC running
EZTouch Editor
EZ7-TouchPLC

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EZ7-TouchPLC Junior
2Part Number
EZ7 is available in 7, 8, 10, and 12 inch display sizes:
EZ7DT-TxC-xx-PLC
Programming software and cable
EZTOUCH-EDITOR TouchPLC Editor runs on windows 7 or higher (common to all EZTouchPLC models)
EZ-PGMCBL Serial cable for PC to TOUCHPLC connection
Replacement Part numbers
Back only
EZ7DT-PLC-4BACK EZ7 4 Slot PLC Back (PLC Processor unit)
EZ7DT-PLC-8BACK EZ7 8 Slot PLC Back (PLC Processor unit)
Front (Displays including Touch screen)
EZ7DT-T7C-FR EZ7 7” Inch Display Only
EZ7DT-T8C-FR EZ7 8” Inch Display Only
EZ7DT-T10C-FR EZ7 10” Inch Display Only
EZ7DT-T12C-FR EZ7 12” Inch Display Only
Cable
EZ7DT-CBL-012 Cable between Front and back of EZ7, 12”
Use
For
7
7” TFT Color
Use
For
E
Ethernet
Connectivity
Display Sizes

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EZ7-TouchPLC Junior
3Specification
EZ7TouchPLC Jr. Model Specifications
Part Number
EZ7DT-T7C-E-PLCJ
Enclosure
Metal front bezel connects to back-end through HDMI cable, NEMA 4, 4X Class I Div II
I/O Base
4 Slot PLC Base
Display Type
5.7” TFT (65K Colors)
Brightness/Life
400 nits / 75,000 hours@55 ° C (White LED)
Screen Resolution
320 x 240
Touch Screen
5-wire Analog Resistive Touch Screen
Num of Display Screens
Up to 999 Limited by display memory
Display Screen Saver
Yes, Backlight Off
HMI User Memory
4MB Built-in Flash Memory (Note Due to how HMI memory is consumed in the EZTouch Hardware this is sufficient for 99% of applications)
Maximum I/O Capacity
32 I/O Max (Expandable up to 2048 I/O)
Maximum
25 Watts @ 24VDC
Power Consumption
Processors
Two 32 Bit, 40 MHz RISC Processors (One for PLC and One for HMI)
Total PLC Memory
64 KB (Ladder)
# of PLC Registers
8192 16Bit, 8192 Variables
PLC Typical Scan Time
3ms (1K Boolean)
Real Time Clock/Cal.
No PLC Real-time Clock, HMI has RTC
Battery Backup
Yes (Required only for Real Time Clock as everything else is stored in Flash)
PLC LED Indicators
Input Power, CPU Status (Run, Program & Run/Program), Program PLC and Run Mode LED indicators
I/O Supported
EZIO Screw-down modules with status LEDs and Removable Terminal Block;
DC / AC / Analog / Relay / Thermocouple / High Speed Counter, PWM, RTD
Electrical Noise
Nema ICS 2-230 Showering arc; ANSI C37.90a SWC; Level C Chattering Relay Test
Withstand Voltage
1000VDC (1 minute between power supply input terminal and protective ground)
Insulation Resistance
Over 20M Ohm between power supply input and terminal and protective ground
Enclosure
Nema 4, 4x (indoor)
Operating Temperature
0 to 55°C (32 to 131°F)
Storage Temperature
-25 to 65°C (-13 to 149°F)
Vibration
5 to 55Hz 2G’s for 2 hours in X,Y,and Z axis
Shock
10G for under 12ms in the X,Y, and Z axis
Humidity
10-95% Non-Condensing
USB & microSD Ports
1 USB port for programming, 1 USB port for Datalogging and 1 microSD slot for additional data storage
Communication Ports
Built-in USB, RS232 and Ethernet Ports
Agency Approval
UL, CUL, CE
External Dimensions
8.048” x 6.146” x 4.325”
(204.41 x 156.11 x 109.87mm)
Weight
2 lbs

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EZ7-TouchPLC Junior
4Quick-Start
System diagram shown in introduction is repeated here. As shown, EZTouch Editor is required to program EZ7-
TouchPLC. This is a common editor software for all EZTouch Families of panels.
Pre-requisite- Make sure you have everything you need:
This is what you will need to get started:
EZ7-TouchPLC Unit
A PC Running Windows 7 or Windows 10 with EZTouch Editor Programming Software* installed
Proper cable to connect the PC to EZ7 Panel for project transfer and monitoring:
oRS-232C Programming cable (P/N EZ-PGMCBL) (or make your own) *, and/or
oUSB Type A to Type B cable, and/or
oEthernet cable (Ethernet IP must be setup before using Ethernet connection)
24VDC Power Supply*
Optionally, your plc and connecting cable
*These accessories have to be purchased separately
Follow these steps to get started:
1. Please connect power to the unit, and (optionally) connect your PLC.
2. If not already done, please Install EZTouch Editor on the PC. See below.
3. Run EZTouch Edit and start creating project
4. Transfer the project to the panel and start working with screens.
Serial or Ethernet or USB Connection
PC running
EZTouch Editor
EZ7-TouchPLC

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EZ7-TouchPLC Junior
5Installation
Guidelines
Safety Considerations
Please follow all applicable local and national codes to ensure maximum safety of the equipment and personnel. The
installation and operational environment must be maintained per the latest revision of these codes.
You are responsible to determine the codes to be followed and to verify the compliance of equipment, installation,
and operation with the latest revision of these codes.
It is an absolute must to follow all applicable sections of:
The National Fire Code
The National Electrical Code (NEC)
The National Electrical Manufacturer's Association (NEMA) codes
Safety Guidelines
Safety is the most important element of a proper system installation. Adhering to these safety considerations ensures
the safety of yourself and others, as well as the condition of your equipment. We recommend reviewing the following
safety guidelines:
1) Disconnecting Main Power
The main power switch should be easily accessible to the operators and maintenance personnel. It is important
to make sure that all other sources of power including pneumatic and hydraulic are de-energized before
starting the work on a machine or process controlled by an EZ7 Series TouchPLC.
2) Safety Circuits
Most of the machines are installed with safety circuits such as limit switches, emergency stop push buttons,
and interlocks. These circuits should always be hardwired directly to the EZ7 Series TOUCHPLC. These devices
must be wired in series so that when any one device opens, the PLC is automatically de-energized. This
removes power to the machine. These circuits should not be altered in any case, since this could result in
serious injury or damage to the machine.
3) Fail-Safe Operation
Our products are not fault-tolerant. They are not designed or intended for use as online control equipment in
hazardous environments requiring fail-safe performance, such as in operation of nuclear facilities, aircraft
navigation or communication systems, air traffic control, direct life-support machines, weapons systems,
clutch control systems on presses, in which the failure of the product could lead directly to death, personal
injury or severe physical or environmental damage. External fail-safe and/or redundant components are
required to make your control system fail-safe.
Installation Considerations
Our products have been designed and tested for operation in the most demanding industrial environments. Modern
solid-state industrial controls are complex electronic equipment that operate at low levels of voltage and current, co-
existing with components that operate at much higher levels of power. The difference in operating power
characteristics between the high and low power control devices creates the possibility of unwanted signals being
generated, thus causing interference. The interference, which is a by-product of electrical noise, is not present at all
times. However, if it appears at random and for brief periods of time, it can cause disruptions and errors in the
operation of a control system.
Enhancement of a system’s noise level immunity and its tolerance to other environmental hazards can be
accomplished by following proper system installation guidelines. The recommendations are of a general nature and
constitute good industrial installation practice.

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EZ7-TouchPLC Junior
General Environmental Considerations
Avoid installing EZ7 Series TouchPLC in areas where the following conditions may exist:
Environmental temperatures above or below those specified by the EZ7 Series TouchPLC
Prolonged exposure to humidity and liquids which may be sprayed or splashed on the equipment
Dusty environments where airborne particles may accumulate on equipment causing reduction of heat
dissipation and reduction in effective electrical spacing between components
Areas with excessive vibration
Areas with high-radiated electrical noise, such as near fields of transmitting antennas and areas in close
proximity of arc welding stations
Physical Layout in a Control Cabinet
When possible, cabinets housing electronic equipment should be designed with provisions for natural or forced
ventilation to facilitate heat dissipation. Observe the following rules for cabinet installation:
Heat generating equipment (power supplies and other heat inducing components) should be installed toward
the top of the cabinet. The lower space in the cabinet is cooler than the top area.
Install heat-sensitive components in the lower section.
Provide enough space between components to allow a free flow of air for better heat dissipation.
Provide the maximum possible physical separation between solid state and electromechanical controls. If
possible, the electromechanical controls (motors, starters, solenoids, etc.) should be housed separately or at
the farthest point when enclosed within the cabinet.
We recommend that the EZ7 Series TOUCHPLC have a minimum clear space of 2" on all sides for adequate
ventilation as shown in the image on the left.
Electrical Considerations
This section is designed to provide you with a very basic understanding of electrical noise and how to keep it away
from CPUs. Industrial plants have a number of generators of electrical noise that are sometimes also referred to as
Radio Frequency Interference (RFI). Anytime an inductive load like a motor, motor starter, or solenoid is turned off, it
generates a burst of excess energy that has to flow back to ground, just like electrical energy from a lightning storm
has to flow back to Earth. RFI is short bursts of electrical energy at very high frequencies. Other sources include RF
Welders or Radio Transmitters.
Effect of RFI on Electronic Automation Equipment
Electronic controls use faster and faster CPUs today. These CPUs are also operating at 2.5V to 5VDC logic level power
supply. RFI, if allowed to enter the CPU inside, is a killer of logic. A CPU under this environment loses its brain and
behaves erratically. A smart industrial-grade CPU like the EZ7 Series
TOUCHPLC Card Engine, when faced with RFI, halts its operation instead of
giving false outputs.
Types of RFI
RFI enters electronic controls in two ways: radiated RFI or conducted RFI.
For most practical purposes, electronic devices, unless sitting right next to a
powerful RFI transmitter, will not be affected by noise because air space
severely attenuates such interference. On the other hand, conducted RFI
travels over conductive surfaces such as power supply wires, electrical
wiring of field devices, and worst of all; improper ground planes.
Equipment cabinets usually incorporate one or two doors and/or hinged cabinet panels. Relying on door hinges and
swinging panels for a good metallic bond between hinged parts and the main body of the cabinet does not insure
adequate grounding. Instead, the use of ground straps is recommended. It is vital for the reliable operation of any
electronic device to have any of its metallic surfaces well ground to Earth. This not only provides for safe operation, it
will also drain out any conducted RFI to Earth, away from the CPU's signal ground.

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EZ7-TouchPLC Junior
Shielding from RFI
Shielded Cables
Power cables, I/O cables or wiring, and communication cables should all be separate so that they do not couple the
conducted RFI on any of these wires/cables. Another path for RFI into the PLC is through its RS232 port. Hence, the
cables to this port must be shielded properly.
Equipment Cabinets
As mentioned, equipment cabinets typically incorporate one or two doors and/or hinged cabinet panels. In addition,
sub-panels may be utilized on those electronic controls and electromechanical items that are mounted. The goal is to
create a medium for mounting the equipment and ensure grounding of the control’s chassis to it. However, the door
hinges and swinging panels by themselves are not enough to ensure adequate grounding.
Similarly, the equipment enclosures are generally either painted or
anodized. Mounting of painted or anodized enclosures to like
surfaces also does not ensure good metallic contact between the
equipment chassis and cabinet. It is imperative that the equipment
chassis are grounded such as through the use of grounding straps as
illustrated below.
Cabinet Wiring
The wiring of the EZ7 Series TOUCHPLC to the “field” outside the
cabinet must be by design. The wiring cannot be random in order to
get the various points of the cabinet and the “field” electrically
connected. Below are some general rules that apply in most
situations:
Provide a separate power source to electronic controls and keep this power bus away from any I/O power.
The cabinet should be wired with a safety ground (the main safety ground wire gauge is determined by the cabinet’s
total current consumption) and in accordance with all electrical code requirements.
Once the cabinet doors, stationary sub-panels and swing-out sub-panels have been “strapped” to the main cabinet, it
is not necessary to run safety ground wires from the equipment chassis terminals to the main safety ground
connection.
The safety ground terminal of each component can, and should be, connected with the shortest wire possible, to the
cabinet or sub-panel frame.
Plan the wiring routing. Keep all switched power in separate ducts and if there is AC and DC power being switched,
keep the wiring of each branch separate from all wires and cables carrying low level signals.
Keep all three phase power outside of the cabinet, but if it becomes necessary, keep the runs as short as possible and
maintain the maximum possible distance between the three phase bus and all other wiring.
Primary power leads to the control equipment (Base power terminals) should be made with a two wire twisted cable
with approximately 12 turns per foot. The length of these cables should be kept to a minimum, and to the greatest
extent possible, such cable runs should be kept separate from other wiring.

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EZ7-TouchPLC Junior
Mounting Information
5.2.1 Overall Dimensions
Size
A
B
C
D
E
F
G
H
7”
8.66” [220]
6.09” [154.08]
5.91”[150]
3.43”[87.1]
7.42”[188.3]
4.81”[122.2]
0.78”[19.9]
5.52”[140.2]

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EZ7-TouchPLC Junior
5.2.2 T7C (7” Display) Mounting dimensions
Mounting Instructions
EZ7-TouchPLC comes in two parts:
1. TouchPLC Processor Unit, mounted using 4 studs on backside of the control cabinet door
2. Display Unit, mounted on studs (number of studs depends on size).
A cable connects the two parts, which passes through a ¾” hole in the cabinet door.
To mount the unit, in summary:
Mark location of all holes
Drill holes for the back and front unit mounting studs. (Please note that the mounting holes for the back unit
require countersink holes.
Drill ¾” hole for the cable.
Connect display cable to the back side and mount the back side
Thread the display cable through ¾” cable hole to the other side.
Connect cable to front side and mount the front unit.
These steps are described below with pictures:
The EZ7-TouchPLC is stud mounted. All the necessary mounting hardware is provided with the unit. Both the processor
and the TOUCHPLC screen have studs with nuts provided. Below is a full installation guide with step by step
instructions.

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EZ7-TouchPLC Junior
1. Use the provided screen with screw holes indicators to drill holes in your control cabinet.
2. Once all the holes have been drilled in the cabinet. Take the Processor Box and plug in the provided HDMI
cable into its connector port.

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EZ7-TouchPLC Junior
3. Then use the provided screws (6-32 Philips Flat head ½” length. (X 4),Screw driver – Philips #2 ) to install the
Processor Box to the inside of the Control Cabinet. Also make sure that the HDMI cable is pulled through the
large middle hole.
4. Now connect the cable to the Front Display screen, make sure that the cable is pulled through the large middle
hole.

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EZ7-TouchPLC Junior
5. Now insert all studs through their respective holes, and use provided nuts (Hex-head nut, size 10-32 requiring
3/8” nut driver/wrench) to secure the front to the cabinet.
6. When looking from bottom or top the screen should look like the image below.

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EZ7-TouchPLC Junior
6Wiring
Ports and Communications
Power: 24 VDC
1
Positive
2
Negative
3
Earth GND
Indicator Light at the backside of the unit
Flashes Red, then continuously Green
Power connected, Normal Operation
Blinking Red / Continuously Red
Some Panel Issue has occurred. Please try a power cycle, if that does not
fix the issue please contact Tech Support.
No Light
Power source not connected or inadequate
15 Pin D-Sub Serial
RS232/422/485 PLC
Port
Reserved Port, Do
not use!
9 Pin D-Sub Serial
Programming Port
RJ45-Ethernet
connector
Micro SD card
Connector
Display Cable
Connector for
connecting FRONT unit
3-Terminal Power
Connector
USB Type B for
Programming
USB Type A for flash
drives

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EZ7-TouchPLC Junior
Junior PLC- I/O
EZ7-TouchPLC Modular uses EZAutomations’s cube IO modules please check our website for all available module.
Click here to go online
6.2.1 Inserting and Removing I/O modules
Insert I/O modules
EZ I/O modules have a Molex connector & two captive screws which screw-down
into base of the PLC. Insert the module in the base and screw down.
Remove I/O Modules
Removed from the female connector on the PLC base, by unscrewing the two
captive screws on the sides of the module.
6.2.2 EZ-IO Wiring
Wiring EZI/O Modules
Simply insert the wire and screw to tighten. Use a 2.5mm blade screwdriver Terminal block
is rated at 300V, 10A 14AWG.
Removable Terminal Blocks
EZIO use removal terminal blocks for easy swapping of modules without need to re-wire.
As EZI/O was built to withstand industrial environments, terminal blocks have a very snug fit on the module. Slip
the edge of the screw-driver under the terminal block and lift to pop off.
To insert the terminal block, simply align the terminal block to the pins on the module and insert.
6.2.3 I/O Module Information
For information on I/O module specification and wiring information please check the
respective I/O modules wiring instruction insert which comes with product, or Click here
to go online and to download datasheets.

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EZ7-TouchPLC Junior
7Programming
If you already have EZTouch Editor installed, please ignore this section.
EZTouch Editor Software is used to program all EZTouch and EZTouch PLC Panels. This allows you to move projects
from one family to another easily. If you don’t have a copy of the editor, please acquire one. EZTouch Editor is
distributed as a single setup file, typically names as EZTouch Editor x.x.x (FULL).exe, where x.x.x is version number of
the software.
To install, just run the file, and follow on-screen instructions. For more information on the editor please refer
to the help in software and the EZTouch Editor User Manual (download from website)
PLC Operation Sequence
A good understanding of the EZ7-TouchPLC Junior CPU operating sequence will
help you achieve the proper control for your equipment or process. The flow chart
on the left shows how the CPU controls all aspects of system operation.
Power-up Initialization
On power-up, the CPU initializes the internal electronic hardware. It also checks
if all the memories are intact and the system bus is operational. It sets up all the
communication registers. If all registers are go, the CPU begins its cyclic scan
activity as described below.
Read Inputs
The CPU reads the status of all inputs, and stores them in an image table. Image
Table is EZ7-TouchPLC Junior internal storage location where it stores all the
values of inputs/outputs for ONE scan while it is executing ladder logic. The CPU
uses this image table data when it solves the application logic program.
Execute Logic Time
This segment is also called Ladder Scan. The CPU evaluates and executes each
instruction in the logic program during the ladder scan cycle. The rungs of a ladder
program are made with instructions that define the relationship between system
inputs and outputs. The CPU starts scanning the first rung of the ladder program,
solving the instructions from left to right. It continues, rung by rung, until it solves
the last rung in the Main logic. At this point, a new image table for the outputs is
updated.
Write Outputs
After the CPU has solved the entire logic program, it updates the output image
table. The contents of this output image table are written to the corresponding
output points.
Immediate Inputs/Outputs
There is a possibility that an input changes after the CPU has read the inputs. If you have an application that cannot
wait until the CPU returns for the next input scan, you can use Immediate Instructions. These instructions do not
use the status of the input from the image table to solve the application program. The Immediate In structions
immediately read the input status directly from I/O modules and update the image table with appropriate status
of input module read. Similarly, Immediate Output instructions do not wait for the CPU to complete the ladder
scan. Immediate outputs are directly written to the image table and Outputs are updated accordingly.
Subroutines
The CPU executes subroutines when called for in the ladder program. These subroutines are useful in performing
the same logic operation time and time again just upon one call so you do not have to repeat the rung logic over
and over again.

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EZ7-TouchPLC Junior
Create a Project
From drop down select model (if more than one model is available, drop down would show it
1
Click on Open/New Project Press ENTER. You may get a confirmation message
2
3
Select EZModel: Panel Family –in this case EZ7-TouchPLC Modular, Junior, Micro and Nano
Select size (Only radio buttons corresponding to available sizes are enabled)
4
Select Project Name and folder location using Browse button.
5
6
Configure PLC I/O (you can configure or modify I/O later also)
Select PC to Panel Connection—Select Serial for Serial or USB connection for Ethernet, IP address
must be set already (see how to set IP address later in the document)
7
8
9
Finally click “Click to Start Designing
If Ethernet is to be used, you need to know EZ Unit’s IP address. Specify this address her

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EZ7-TouchPLC Junior
Create PLC Program: On the left side, click on "Main Logic" under the Project Tree to start creating a sample PLC Ladder
Logic program as outlined below.
1. Select the “Relay/Boolean” type instruction set in the instruction toolbar (located on the right side of the
programming screen). Click on “NO Contact.”
2. Click on the main ladder logic programming window to place the instruction as shown in the image below.
3. Then double-click on the icon and enter the tag name as "Start." Click OK.
4. A new dialog box will appear asking for the PLC address (memory location). Enter "S1" in the field to the
right of "Address String." The Data Type should be marked as DISCRETE. Click OK.
5. Similarly, click on “NO Coil” under the Relay/Boolean instructions and place the instruction in the ladder
logic programming window. Double-click the icon to select the tag name as "Lamp."
6. Once again, a dialog box will appear. Enter "O1” as the address string. Click OK.
7. Click on Instructions > Line to wire “NO Contact” and “NO Coil.” Your screen should look like this when
finished: