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In today’s fast-changing environment, it’s becoming more and more difficult for many companies to find replacement display monitors for their costly industrial equipment. Often, the CRT monitor originally installed in an older CNC machine tool or industrial lathe control has become obsolete and is no longer supported by the original manufacturer. In some cases, the original monitor manufacturer may even be out of business. In today’s market, repairing a failed CRT display may be impossible, and replacements can be costly and hard (if not impossible) to come by. Indeed, most modern LCD monitors simply will not function properly when used to replace a CRT monitor in a legacy control system. To make matters worse, most monitor manufacturers don’t want to be ‘bothered’ with supporting legacy systems that are not their own, and even if they agree to look at your problem, they are often very expensive.
 Dynamic Displays can help you find an affordable solution to replace your display monitor through our EZ Quote form. For years, we have specialized in modifying our LCD display monitors to meet our customer’s legacy monitor needs. We now provide affordable drop-in replacement LCD monitors for a wide variety of industrial legacy computer monitor applications that require special timing or unique packaging, and the list keeps growing.
Often the problem is inherent in the design of these older systems. Prior to the founding of the Video Electronics Standards Association (VESA) 1989, there were no international standards for computer-generated signals. Consequently, a myriad of various signal formats and interface configurations proliferated throughout the industrial control community. These ranged from:
- Three-wire analog video formats, where the horizontal and vertical synchronization signals are embedded within the green video input signal. These are generally indicated when a color display has only three coaxial input connectors. A number of methods were used to encode these synchronization signals (RS-170/343 with and without serrations and equalizing pulses, ORed or X-ORed) each of which presents its own unique challenge to modern LCD display systems.
- Four-wire analog video formats, where the horizontal and vertical synchronization signals are embedded within a separate composite sync signal. These are generally indicated when a color display has only four coaxial input connectors. Like three-wire systems, a number of methods were used to encode these synchronization signals, each of which presents its own unique challenge to modern LCD display systems.
- Five-wire analog video formats, where the horizontal and vertical synchronization signals are provided on separate signal lines.
- Interlaced video, where half the image is presented in each consecutive vertical field and interleaved to recreate the video image. This encoding was often used on three, four, and five-wire systems to reduce the frequencies required to send an image.
- Digital video, such as CGA, EGA, or MDA, where the video information is presented in 1 or 2 bits per color. This was sent via single or differential TTL or ECL transmission lines.
- NTSC/PAL/SECAM video – the three predominant television standards, where all video information arrives on a single line.
Our QES1500 series Industrial LCD monitors is compatible with most three, four and five-wire analog video formats found in legacy systems. In addition to the modern IBM and VESA-inspired VGA, SVGA and XGA display formats, our rugged LCD displays also can be configured to work with a variety of the older, non-standard video timings, including MDA, CGA and EGA digital formats, RS170 and RS343 analog video-type formats, and many others. We have developed solutions for displays requiring ECL and TTL RS422-type differential transmission line inputs for monitors used in noisy, shop-floor environments. We have customized our monitors to work with ABB, Westinghouse, Fisher, Bailey, Allen-Bradley, Foxboro, Honeywell, Moore, Siemens, Forney, Harris, Fanuc timings & many other video formats.
If you are having trouble sourcing a video display for an older DECKEL MAHO CNC Universal Milling Machine, an INDEX Vertical Turning Lathe, or a Kraus Maffei Injection Molding Machine, our engineering staff will be happy to customize a rugged LCD display to meet the unique computer monitor specifications required and extend the life of your production equipment. If we don’t have a standard replacement LCD display for your particular CRT monitor model, we’ll be glad to work with you to arrive at a cost-effective solution. Often, all that is necessary is that you provide us with basic pin-out and/or timing information and mounting information and we’ll do the rest. It may be possible for you to send us your old monitor chassis or enclosure and we'll install our electronics, or design a chassis that will mount in the same location as the original CRT monitor. Occasionally, more information may be required, but we’ll be happy to work with you.
In any case, if you have a unique display monitor application that cannot be met elsewhere, give us a call or fill out our quote form for legacy LCD/CRT replacements. We'll be glad to help.
Legacy Cross Reference Page
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QES1512-050 - 12” Replacement Color CRT Monitor
Allen Bradley CNC Monitor 8520-CTRC
Allen Bradley 9/230, 9/260, 9/290 & 9/440 CNC Series Machine
System Catalog Number 8520-DSP-EXEC1-L31M
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Model QES1512-038
12.1” Replacement Color LCD for AB-30 Plant Floor Terminal
And Allen Bradley 8400 MP CNC Machine
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QES1519-200 Series
19” LCD Replacement for 20” CRT Chassis
Fits on your existing 20” CRT chassis
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Model QES1508-020
Legacy Fanuc Models: A61L-0001-0071, A61L-0001-0090, A61L-0001-0093 & A61L-0001-0095
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12” Color Fanuc Monitor Model QES1512-046
Legacy Fanuc Models: A61L-0001-0077, A61L-0001-0078 or A61L-0001-0087 Fanuc Monitor
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Allen Bradley Plant Floor Terminal 1784-T30C
8400 CNC Control
QES1512-038 Model
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Allen Bradley Plant Floor Terminal 1784-T30C
8400 CNC Control
QES1512-038 Model
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Marposs E9066, E50
12" Color Monitor
QES1512-032
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OEM Equipment supported:
ABB CNC monitors, AEG A500 / A350 Monitors, Aschenbrenner CNC monitors, Bosch CNC monitors, Cabel CNC monitors, Chiron CNC monitors, DECKEL CNC monitors, Deleml CNC monitors, EIZO CNC monitors, Engel monitors, FAGOR CNC monitors, Fenice CNC monitors, Ferromatik (Klöckner) CNC monitors, Fimilyne CNC monitors, General Electric CNC monitors, Gildemeister CNC monitors, Grundig CNC monitors, Hantarex CNC monitors, Heidenhain CNC monitors, HELLER CNC monitors, INDEX CNC monitors, JUNG CNC monitors, KEBA CNC monitors, KRONES CNC monitors, Magnetek monitor replacements, MAHO CNC monitors, Marposs monitors, Mitsubishi CNC monitors, Mazak CNC monitors, Mitsubishi CNC monitors, Motorola CNC monitors, NUM CNC monitors, Okuma CNC monitors, OSAI CNC monitors, Philips 432CNC monitors, PHILIPS 532 CNC monitors, Reishauer CNC monitors, Schenk Rotec CNC moniotrs, SEIBU CNC monitors, Selti CNC monitors, Siemens CNC monitors, Sinumerik CNC monitors, STORK CDS CNC monitors, Tatung CNC monitor, TELEMECANIQUE CNC monitors, Toshiba CNC monitors, Totoku monitor replacements, TOYODA CNC monitors, Unipo CNC monitors, Vourmard CNC monitors, WALTER CNC monitors
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