Optimation Products
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OptiMate® OM420
Module with Dark Gray Enclosure
The OM420 Operator Panel is a low cost/high
performance man/machine interface with a broad range of operator
input and display capabilities. The panel includes a 2 line by
20 character LCD display, four function keys, and the ability to
display BCD, BCD Double, Binary, and floating-point numbers.
OptiMate® configuration software allows you to predefine up
to 160 messages. These messages can be later selected by your PLC
or computer program to display status, and variable data.
Function
keys can be custom labeled by the user with plastic inserts.
The inserts can be custom legended with text and/or graphics, and
slipped into a protective pocket behind the faceplate.
The OM420
Operator Panel is part of Optimation's OptiMate® series.
Each OptiMate® module is designed to connect to most PLC's
with a single cable connection. OptiMate® 400 series panels
can be used individually, with a PLC, or in a microprocessor system.
When
used with a microprocessor system, simple communications over
an RS232 communications cable allows the microprocessor to directly
control the LCD display as well as to read function key status.
When
used with a PLC, operation is transparent to the user. Terminal
functions tie directly into your PLC ladder logic program. The
OM420 takes care of the rest.
Features 
- 2 line x 20 character backlit LCD display
- Floating point, BCD, BCD Double and Binary
data display
- User-Legendable function keys
- 160 User-definable messages
- Stand-alone capability with direct connection
to most PLCs
- RS232 communications
- Mix and match with most other OptiMate® modules
Benefits
- Eliminates the need for controller I/O
modules for operator panel use
- Easy function selection, display and status
indication in one module
- Reduces system integration and retrofit
costs
- Remove and replace maintainability
- Rapid future expansion
- Reduced maintenance costs
- Attractive, eye-appealing appearance
Operational Overview
The OM420 Panel incorporates all of the basic
elements necessary for operator interface. Function keys allow
operator function selection, and the alphanumeric display provides
text information and numerical display capability. The OM420 interfaces
over an RS232 serial link to any computer-based system and many
popular PLCs. In a computer-based system, interface occurs via
a very easy to use OptiMate® Hex protocol. For a PLC-based
system, operation is totally controlled through a bank of 7 PLC
registers. Everything else is handled by the OM420 terminal.
PCL-Based Systems
PLC-based systems access the OM420 via a bank
of 7 registers. Buttons appear as coils and contacts (or register
bits) in the PLC. Messages can be predefined, stored in the OM420
and used by the PLC program. To use a predefined message, your
PLC program simply places the message number that you have associated
with the message into a PLC register. Text, data display, and arrow
adjustment messages are all available. Up to 160 messages can be
predefined.
Use with a Computer
The OM420 Panel provides all of the same capabilities
to a computer-based system that it does to a PLC system. The OptiMate® Hex
protocol makes computer-based applications a very simple undertaking.
Message numbers and display data are sent to the OM420 over a serial
link. Button status can be read back from the OM420 by the same
serial link. Also, in addition to the 160 predefined messages,
additional messages with embedded data can be sent to the OM420
via the serial link.
Specifications
Physical
- Recessed Mount Housing 6.6"L x 3.5"H
x 1.25"D
- Cutout size for above 3.20"Hx5.10"L
- Panel Fasteners : Four, 6x32 threaded studs
(on ends, symmetrical about center line)
- Weight : 8 ounces
- Color: Dark gray housing . Function keys
: White with user supplied label
- LCD display : 2 line x 20 character STN
with LED backlight
- character size : 5.5mm high x 3.2mm wide
- Button Type : Membrane panel with dome
switch snap action
Electrical
- Power (all lamps on) : 5VDC @ 0.58 Watts,
115 mA @ 5VDC
- Power connector : DC power plug, center
negative
Communications
- RS232 ; 4800 to 19200 baud
- Compatible with most major PLC protocols
- Microprocessor-compatible OptiMate® Hex protocol
- 6 pin RJ12 phone jack-type connector
Environmental
- Enclosure - NEMA 4 (installed)
- Temperature - 0 to 50 C
- Humidity - 95% Non-condensing
Labeling of Lamps and Pushbuttons
- User-defined slide-in labels
Message Types (160 user-defined messages available)
- General Text message
- Data display message (one data value per
line)
- Numeric Types & Values
- Integer
- Fixed Point
- BCD (Values between 0 & 9999; with appropriate decimal placement)
- BCD Double (values between 0 & 99999999 with appropriate
decimal placement)
- Binary (Values between 0 & 65535 with appropriate decimal
placement)
- Floating Point (Values between -3.402823E+38
to +3.402823E+38 in the format of ±X.XXE±XX)
See more OptiMate Model
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