MAIN PAGE > COMPONENTS > Human Machine Interface ( HMI ) > EH - OP05




4 Line x 20 Character LCD Display
Downloadable Fonts and Scalable Text
Monochrome Graphic Display
Recipe Capabilities
UniNET Networking Capabilities
Multilanguage Project Capability
Connection to Bus Systems
Links Directly to PLC Programming Port

The EH-OP05 fulfill the need for a powerful yet cost effective operator interface system in areas where space and cost must be small. The display incorporated into these designs is a backlit LCD. Each line can contain up to 20 characters. Each page can contain up to 32 lines, which can be accessed by scrolling with the arrow keys. Brightness control is provided to adjust the display for easy viewing under nearly any condition.

Display Variables

PLC internal variables can be shown on any of the many display pages (limited only by memory size). The number of variables that can be viewed at one time is limited only by the display size. UniOP also provides scaling (linear conversion) of the displayed data. The final value can then be shown in several useful formats including date, time, decimal, bit, hexadecimal, floating point, and string. Data entry with valid range verification is also available for each data type.

Data Entry

The integral keypad on the EH-OP05 offers 12 function keys and 13 user LEDs to the display panel. Slide-in legends make it easy to customize and document the operation of each key that has a LED. UniOP also features an internal battery-backed real time clock. Time and date information from the clock are periodically updated in the PLC to enable processing based on time-of-day, day-of-week or any other period.


UniOP can monitor and display up to 1024 alarms. Attributes and unique messages can be defined for each alarm. Operator acknowledgment can also be required. The last 256 alarm events detected by the UniOP are retained in an internal event list which can be displayed or sent to a serial printer for permanent record.


An eight-level password protection scheme protects critical system features from undesired access.


Custom display screens are developed using the UniOP Designer™ for Windows™ programming software. Your completed project file can be downloaded to the display through the serial port and permanently stored in Flash EPROM.

Keyboard Macro Editor

A feature that allows you to configure your UniOP Keys to do a variety of functions locally in the UniOP. For example: turning pages, setting attributes, setting LEDs, writing to the PLC, going to the alarm list, uploading a recipe set and many more.


This feature allows you to create a recipe with up to 255 parameter sets for each page of the project file. Uniop has a total of 16K reserved for recipe storage. You can upload or download a parameter set from or to the PLC. Once a parameter set has been downloaded to the PLC, the data contained within the parameter set can be modified.

UniNET Network

The UniNET network allows you to design networks of varying configurations; from two panels with one PLC to multiple panels with multiple PLCs. Data can be written to or retrieved from the PLCs in many different locations at one time. The UniNET network creates a bridge between UniOP panels which allows data to be shared by all PLCs in the network, regardless of the type or manufacturer.

EH-OP05 Features

NEMA 4/12 compliant enclosure
CE approved
UniNET network capabilities
Keyboard Macro Editor
Recipe configuration
One RS -232 / RS-422 / RS-485 / 20mA current loop serial port, speeds up to 38,400 baud for direct PLC connection
One RS -232 port for PC/Printer communication
One auxiliary port for high speed bus network communications
CP11G-04 has a combined PC/PLC port
Real time clock with battery back-up
12 function keys with slide-in legends
128 KB internal memory standard Flash EPROM
Memory can be upgraded to 512 KB
Unlimited number of variables per page
1024 prioritized alarms
Historical event list (last 256 events)
Eight-level password protection
Print reports, alarm list, and event list to serial printer
Displays ASCII standard character set
8 user definable characters

EH-OP05 Specifications

Physical Dimensions

Cutout Width and Height Schematic
Cutout Depth 79 mm (3.11")
Front Panel Thickness (max.) 5 mm (0.20")
Face-plate Height 220 mm (8.66")
Face-plate Width 275 mm (10.83")
Weight 1.1 Kg (2.4 lb)


Operating Temperature 0 to 50o C (32 to 122o F)
Humidity 0 to 95% RH (non-condensing)
Power Requirements 250 mA maximum, 24 VDC


Type Liquid Crystal
Size 4 lines x 20 characters/line


Technology Tactile feedback (tested 5M times)


All products are warranted for one year against defects in material and workmanship.