red lion MDI Quick Start Manual

red lion MDI Quick Start Manual

Message display intelligent unit

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MODEL MDI - MESSAGE DISPLAY INTELLIGENT UNIT
2x20 OR 1x10 TRANSMISSIVE LCD,
!
NEGATIVE IMAGE WITH RED BACKLIGHTING,
NEGATIVE IMAGE WITH TRI-COLOR BACKLIGHTING (Red,
Orange, Yellow- Green) OR POSITIVE OR NEGATIVE IMAGE
WITH YELLOW/GREEN LED BACKLIGHTING
!
153 DIFFERENT DISPLAYABLE CHARACTERS
(Including 96 Standard ASCII Characters)
SCROLLING AND/OR BLINKING CHARACTERS
!
PERIODIC AND/OR CHAINED MESSAGES
!
PRIORITIZED MESSAGES
!
DESCRIPTION
The Message Display Intelligent (MDI) unit is a simple-to-use, yet versatile
and powerful alphanumeric message center. The broad flexibility and
functionality of the MDI make it particularly adaptable to a wide variety of
applications, including:
Display and Monitoring of Measured Values
Indication of Warning, Error, and Alarm Conditions
Monitoring of Manufacturing Processes
Display of Machine Start-Up and Operation Procedures
The MDI is capable of storing and displaying up to 256 separate messages.
A message can contain up to 250 characters of text and can display any of the
153 customizable characters, including the standard 96 character ASCII set.
Individual lines of the message text can be programmed to scroll in a block or
character fashion. Individual characters, blocks, and lines of text can be
programmed to blink.
The MDI can assemble and transmit message text to one or more Message
Display Slave (MDS) units for remote display of messages. For interfacing with
serial printers and ASCII terminals, the message text can be assembled and
transmitted in any format the user desires. In this case, the appropriate lower
ASCII control characters can be inserted in the message text where necessary.
DIMENSIONS In inches (mm)
TIME AND DATE FUNCTIONS
!
256 MESSAGE CAPACITY
!
REAL TIME CLOCK/CALENDAR
!
MESSAGE QUEUE (Holds Up To Thirty-Two Requested Messages)
!
SERIAL COMMUNICATIONS (Isolated 20 mA Current Loop)
!
OUTPUT/BUSY TERMINAL (NPN Open Collector Output)
!
!
PARALLEL COMMUNICATIONS
EMBEDDED DATA
!
ELAPSED TIMERS
!
BAUD RATES UP TO 19.2 K
!
COMBINED MESSAGE AND DATA MEMORY, 32 K
!
SIMPLE PUSH-BUTTON AND CONTACT CLOSURE MESSAGE
!
REQUESTS
AC VERSION: SWITCH SELECTABLE 115/230 VAC
!
DC VERSION: TERMINAL SELECTABLE 12/24 VDC
!
NEMA 4/IP65 SEALED FRONT METAL BEZEL
!
IBM
!
(sold separately)
Messages can also display the Current Time and Date and any of the MDI's
sixteen Elapsed Timer values. A message can also collect and display multiple
Embedded Data items.
Messages can be requested via the MDI's Serial and Parallel ports, which the
user can configure to meet the needs of most applications. The Parallel Port can
also be configured to issue Automatic Message Requests based on changing
port values.
The MDI contains functions for requesting messages on a Periodic basis, and
for processing requests based on Elapsed Time and Embedded Data values, as
well as for executing Chained and Linked message lists.
Any programmed message can be designated for automatic request on Unit
Power-Up and Reset. A separate message can be designated for display when
the MDI's Display is blank.
RLC offers IBM
MDI. The Message Display User software (SFMD), with its easy-to-use menus,
extensive prompts, on-line Help functions, message simulator, and terminal
emulator, greatly assists the user in fitting the MDI to the application at hand.
The user can easily create and save multiple Configuration, Character, and
Message files with the SFMD software. Extensive file handling features are
included, such as uploading, downloading, and printing of files. Message
simulation and terminal emulation functions also come with the software.
Note: Recommended minimum clearance (behind the panel) for
mounting clip installation is 2.1" (53.3) H x 5.5" (140) W.
1
®
COMPATIBLE SOFTWARE FOR PROGRAMMING
UL Recognized Component,
File # E171375
®
compatible software for configuring and programming the
Bulletin No. MDI-C
Drawing No. LP0317
Released 7/02
PANEL CUT-OUT

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  • Page 1 File # E171375 DESCRIPTION Messages can also display the Current Time and Date and any of the MDI’s sixteen Elapsed Timer values. A message can also collect and display multiple The Message Display Intelligent (MDI) unit is a simple-to-use, yet versatile Embedded Data items.
  • Page 2: Safety Summary

    Note: The compliance voltage rating of the source must be greater than A full set of Commands is available for configuring the MDI to the user’s the sum of the diode voltage drops around the loop. Typically a 30 VDC application.
  • Page 3: Parallel Port

    ® CONNECTING THE MDI TO AN IBM COMPATIBLE COMPUTER In order for the user to program Messages in the MDI, the MDI must be With the Message Simulator, the user can verify the proper operation of a ® connected to an IBM...
  • Page 4 Unlocked. MESSAGE DESTINATION On, Off, or Toggle: The MDI sets the Output pin to the specified state. In the The destination of a Message determines the manner in which the MDI case of Toggle, the MDI switches the current state, from On to Off, or Off to processes a request for that Message.
  • Page 5 Configuration setting determines the rate at Serial Port. which the MDI scrolls the text. The user can specify separate scroll rates for the The Parallel Port: The data is received in ASCII, BCD, or Binary formats, as top and bottom lines of a 2x20 unit.
  • Page 6 Activation Time and the Periodic Interval. The Activation Time of a Periodic Elapsed Timer Values: The current value of the designated Elapsed Timer entry indicates the next time the MDI should request the Message for that entry. can be captured and inserted in any user specified location and format.
  • Page 7: Self-Test Features

    Queue position. Commands can also transmit Temporary Message text to the On or Off 0 to 254 secs MDI as well as cause the MDI to transmit the text of any Message on its Display Message Queue Function: Output/Busy Pin: or in its Queue.
  • Page 8 1. In the event of a high temperature condition, alarm output Messages are requested. This switch is connected to one of the MDI’s 1 closes. The MDI monitors Data line 1 for a logic level change. Data line parallel port data lines. Messages can also be requested and monitored via 1 has two message numbers attached to it, Message #1 for the Active logic the serial port, which is connected to the office computer.

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