OptiMate® OM640
Module with Dark Gray Enclosure
The OM640 Operator Panel is a low cost/high
performance man/machine interface with a broad range of operator
input and display capabilities. The terminal includes a 4 line
by 20 character LCD display, five function keys, 3 LED light bar
indicator lamps, and the capability to display text messages, 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, variable data and allow numeric data input. For computer
applications, additional messages can be sent directly over the
serial communication port.
Function keys and indicator lamps can
be custom labeled by the user with plastic inserts. The inserts
can be custom legended with text and/or graphics, and slipped
into protective pockets behind the faceplate.
The OM640 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 lights and
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 OM640 takes
care of the rest.
Features 
- 4 line x 20 character backlit LCD display
- 3 LED light bar indicator lamps
- 5 tactile snap pushbuttons - independently
configurable for momentary or alternate action mode
- User-Legendable function keys and indicator
lamps
- 160 User-definable messages
- 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 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 OM640 Panel incorporates all of the basic
elements necessary for operator interface. Function keys allow
operator function selection, and the alphanumeric display provides
text information.
The OM640 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 a PLC-based system, operation is totally controlled
through a bank of 14 PLC registers. Everything else is handled
by the OM640 terminal.
PLC-Based Systems
PLC-based systems access the OM640 via a bank
of 14 registers. Buttons appear as coils and contacts (or register
bits) in the PLC. Messages can be predefined, stored in the OM640
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.
There are three types of messages that handle
numeric values. A data display message will display the value you
place in the line's data register in the message field that has
been predefined. The top display line on the right illustrates
a data display message. The message has been predefined as message
# 6. The carets(^) in the message are place holders for the numeric
display. To use the message to display data, simply place the
value '6' in the top line message select register and the value
(in this case, 64197324) in the top line data register(s). The
OM640 takes care of the rest.
Use With a Computer
The OM640 Panel provides all of the same capabilities
to a computer-based system that it does to PLC systems. It also
provides the added capability to utilize additional messages that
are not predefined, but passed over the serial link. The OptiMate® Hex
protocol makes computer-based applications a very simple undertaking.
To control the lamps or LCD display, simply send the appropriate
message over the serial link. Upon receiving the appropriate message,
the OM640 will respond with the button status.
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,
shown above (on ends, symmetrical about center line)
- Weight : 12 ounces
- Color: Dark gray housing.
- Function keys : White with user-supplied
label
- Lamp colors available: Red, Green, Yellow
- LCD display : 4 line x 20 character STN
with LED backlight character size : 4.75mm high x 2.95mm wide
- Button Type : Membrane panel with dome
switch snap action
Electrical
- Power (all lamps on) : 8 -30VDC @2.04Watts
- 170 mA @ 12VDC 85mA @ 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)
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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