OptiMate® OM620
Module with Dark Gray Enclosure
The OM620 Operator Terminal is a low cost/high
performance man/machine interface with a broad range of operator
input and display capabilities. The terminal includes a 2 line
by 20 character LCD display, five function keys, and menu tree
capability.
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, variable
data and allow numeric data input. Messages can also be configured
into a layered menu tree, which allows you the ability to create
hierarchical function selection for the operator.
Function keys
can be custom labeled by the user with a plastic insert. The
insert can be custom legended with text and/or graphics, and slipped
into a protective pocket behind the faceplate.
The OM620 Operator
Terminal is part of Optimation's OptiMate® series.
Each OptiMate® module is designed to connect to a microprocessor
or to most PLC's with a single cable connection. OptiMate® modules
can be used individually, or together with any combination of other
OptiMate® modules.
When used with a microprocessor system, simple
communications over either an RS232 or RS422 communications cable
allows the microprocessor to directly control the LCD display
as well as to read numeric data entry and 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
OM620 takes care of the rest.
Features 
- 2 line x 20 character backlit LCD display
- Arrow key data adjustment and jog options
- User-Legendable function keys
- 160 User-definable messages
- User-defined hierarchical menu tree capability
- Stand-alone capability with direct connection
to most PLCs
- Compatible with any computer via serial
communications
- Mix and match with other OptiMate® modules
Benefits
- Eliminates the need for controller I/O modules
for operator panel use
- Easy data entry, 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 OM620 Terminal incorporates all of the
basic elements necessary for operator interface. Function keys
allow operator function selection, and the alphanumeric display
provides text information and adjustment. Together, the alphanumeric
display and associated pushbuttons also allow for user-defined
menu tree selection of functions.
The OM620 interfaces over either
an RS232 or RS422 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 PLC-based system, operation is totally controlled
through a bank of 9 PLC registers. Everything else is handled by
the OM620 Terminal.
PLC-Based Systems
PLC-based systems access the OM620 via a bank
of 9 registers. Buttons appear as coils and contacts (or register
bits) in the PLC. Messages can be predefined, stored in the OM620
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.
Data adjustment works similarly, with data
ending up in the PLC data register.
The OM620 allows up to four levels of menu. Each menu selection
can be either a function or the next lower menu level. With this
type of "tree" arrangement, you can construct an application
menu that allows the user quick easy access to a large number of
functions.
Use With a Computer
The OM620 Terminal provides all of the same
capabilities to a computer-based system that it does to PLC systems.
The OptiMate® Hex protocol makes computer-based applications
a very simple undertaking. Message numbers and display data are
sent to the OM620 over a serial link. Button status and numerical
adjustment can be read back from the OM620 by the same serial link.
Specifications
Physical
- Recessed Mount Housing 6.6"L x 4.0"H
x 1.25"D
- Cutout size for above
- 3.55"Hx5.80"L
- Panel Fasteners : Four, 6x32 threaded studs,
(on ends, symmetrical about center line)
- Weight : 10 ounces
- Color: Dark gray housing . Keypad keys:
gray with white letters. 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) : 8 -30VDC @1.8Watts
- 150 mA @ 12VDC 75mA @ 24VDC
- Power connector : Pluggable terminal block,
2 position
Communications
- RS232 and RS422 ; 4800 to 19200 baud
- Compatible with most major PLC protocols
- Hex Slave Protocol for computer-based systems
- 15 pin female 'D' shell connector
Environmental
- Enclosure - NEMA 4 (installed)
- Temperature - 0 to 50 C
- Humidity - 95% Non-condensing
- Labeling of Function Keys
- User-defined slide-in Labels
Message Types (160 user-defined messages available)
- General Text message
- Data display message (one data value per
line)
- Arrow adjustment data message (Integer
or fixed point)
Menu Tree
- Hierarchical (up to four levels)
- User defined through configuration editor
- Stored in module's non volatile memory
- User-defined association with function
number
- Program control of enable/disable
- Each menu item takes one of the 160 available
messages
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)
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