Product Overview
SCP Global 3270091G MCS Display: the operator panel off an SCP 9200 wet bench
Condition
Used and in good cosmetic shape, removed from a decommissioned working system. The photos show the actual module: scuffs and light scratches on the white bezel and on the START, RESET and OPEN LID keys, a clean unbroken keypad overlay, and a green character LCD with no cracks or delamination visible. The rear chassis label reads SANTA CLARA PLASTICS PN 3270091G, SCP MCS DISPLAY, SN A33502, with a black ESS stamp and 34 96F inked next to it. The aluminum housing is embossed AUG 1997 over SCP GLOBAL TECHNOLOGIES, and the front bezel carries SANTA CLARA PLASTICS molded into the plastic below the keypad. Rear I/O is a 16-position rectangular header and an 8-contact (8P8C) modular jack. A short wiring pigtail and a black Floyd Bell audible alarm are photographed with the module; see the included-items question below.
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Product Overview
The 3270091G is the MCS display and process controller module from SCP 9200 series semiconductor wet benches, built by Santa Clara Plastics under the SCP Global Technologies name. It is the operator interface: a green character LCD, Normal and Error indicators, F1 through F3 soft keys, up and down scroll keys, and a numbered command keypad whose legends spell out exactly what a wet bench does. PROCESS ENABLE, TEMP CONTROL, BUBBLE BREAK, FILTER FLUSH, ALARM MUTE, CHEMICAL DISPENSE, PROCESS PUMP, MOVE TO LOAD, MOVE TO ETCH, MOVE TO QDR, AUTO CHEM CHANGE and DRAIN PROCESS TANK sit under the display, with a red ABORT key at the right and START, RESET and OPEN LID keys annotated IN PROCESS, HOLDING and CLOSE. The module drops into a panel cutout and connects back to the machine through the 16-position header and the modular jack on the rear. This is a single used unit, sold as the piece in these photographs.
Key Features
- Part number: 3270091G, labeled SCP MCS DISPLAY
- Serial number on this unit: A33502
- Maker marks: SANTA CLARA PLASTICS on the bezel, SCP GLOBAL TECHNOLOGIES embossed on the chassis
- Build date embossed on the housing: AUG 1997
- Display: green character LCD behind a clear window
- Status indicators: Normal and Error, upper left of the overlay
- Keypad: F1, F2, F3, up and down arrows, one blank key, START, RESET, OPEN LID, red ABORT
- Numbered command keys 1 through 0 for process enable, temperature, bubble break, filter flush, alarm mute, chemical dispense, process pump, move to load, move to etch, move to QDR, auto chem change and drain process tank
- Rear connections: 16-position rectangular header plus an 8-contact (8P8C) modular jack
- Construction: white plastic bezel over a screwed aluminum chassis, panel-mount format
- Application per the original listing: SCP 9200 series wet bench control of chemical flow, temperature and process timing
Applications
- Fab maintenance technician keeping an SCP 9200 wet bench in service after the original display went dark
- Refurbisher rebuilding a used wet station for resale and needing a period-correct operator panel with the right key legends
- Equipment engineer holding a shelf spare for a tool line that no longer has factory support
- Lab or teardown buyer wanting a 1990s semiconductor operator interface for bench work, display salvage or display
Frequently Asked Questions
Will this fit my machine?
It is the 3270091G module from the SCP 9200 series, labeled SCP MCS DISPLAY. The safest check is the label on the back of your existing panel: if it reads PN 3270091G, this is the same part number. We cannot confirm compatibility with other SCP models or with revision variants, so verify the part number and the rear connector layout in the photos against your unit before you order.
What is included?
You are buying the 3270091G controller module itself. The short wiring pigtail and the small black audible alarm appear in several photographs alongside it; if that alarm matters to your build, ask us before ordering so we can confirm exactly what ships. Nothing else is included: no mating connectors, no mounting hardware beyond what is on the module, and no documentation.
What is the black round part in the photos?
It is a Floyd Bell audible alarm, photographed with the module. The base label reads BELL AUDIOLARM, 3 to 30 VDC, 6 to 70 mA, made in USA by Floyd Bell Inc of Columbus, Ohio, with a 9/95 date on it and a partly legible XC-09 / 330-S model line. The barrel is threaded for a panel bulkhead and carries two heat-shrunk leads.
Has it been powered up?
We do not publish a functional test result for this module. What we can tell you is what the input record says: it was removed from a decommissioned working system with no known functional defects, and the photos show the cosmetic state in detail. Plan to verify operation in your own machine, and treat the display and keypad as the used assemblies they are.
Why buy this used pull instead of holding out for a tested exchange unit?
Because the exchange unit for a 1997 SCP 9200 panel is a phone call to a support line that mostly does not exist any more. This is a known, photographed, single module: correct part number on the label, serial A33502, build date on the chassis, and every scuff shown before you pay for it. You absorb the risk that it has not been run on a bench here, and in exchange you get the real piece rather than a stock photo and a promise. This item clears the free-shipping line on its own, and orders leave our Idaho warehouse the same or next business day.
Embossed AUG 1997 and molded with a company name that changed hands before most of today's fabs were built, this panel spent its working life telling one operator which tank the boat was in. If you are keeping an SCP 9200 alive, it can go back to doing exactly that.
