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Summary of Contents for MKS SM 1280
- Page 1 SM 1280 SM1280D for line 3 x 208V SM1280T for line 3 x 400V SM1280U for line 3 x 480V SWITCHING POWER GENERATOR WITH EMBEDDED MICROCONTROLLER FOR 6 KW MAGNETRON TECHNICAL NOTE (issue April 2017)
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- Page 3 SM 1280 SM 1280 CE Declaration of Conformity Dichiarazione di Conformità CE Manufacturer’s Name: MKS Instruments Italy s.r.l Nome del Costruttore: Manufacturer’s Address: Via Curie, 8 - 42122 Reggio Emilia - Italy Indirizzo del Costruttore: Product Description: Power supply for microwave generator...
- Page 4 SM 1280 Policy about Reduction on Hazardous Substances (RoHS) and Waste Electrical and Electronic Equipment (WEEE) Law Reference • Directive 2012/19/EU of European Parliament (WEEE) • Decreto Legislativo D.L. n. 49 – 14/03/2014 (WEEE) • Directive 2011/65/Eu of European Parliament (RoHS) •...
- Page 5 SM 1280 SM 1280 Contents General Informations These equipment satisfies the European Standard EN 61010-1 Alarm troubleshooting 25, 26 With reference to EN 61010-1 standard, note: Bit alarm table these power supplies must be installed and serviced only by BUS operation qualified personnel. These power supplies must only be used by persons acquainted CE Declaration with the regulations covering the application.
- Page 6 SM 1280 Handling Warnings The user must provide a proper cooling flow: the cooling air enter into the unit from the front side, it passes through the internal circuits and components, then it goes out from the The SM1280x has two handles on the front panel to help back. The intake air flow is approx. 200 m unpacking and handling operations: never use only the...
- Page 7 SM 1280 SM 1280 Description of versions 0 - 1 - 50 -51 The rear panel comprises the following (see drawings): The front panel includes 5 status LEDs: 1) 7 pins socket for main supply (CONN #1) [male] 2) 14 pins socket for mw head signals (CONN #4) [female]...
- Page 8 SM 1280 Fuses specifications Description of versions 2 - 22 (all versions) The front panel of the “Display version” (vers. 2), as well as that of version 22 (Legacy version) includes a graphic display The SM1280x has 2 fuses installed on the rear panel (look at and manual commands.
- Page 9 SM 1280 SM 1280 SM 1280 Ratings & Specifications Description Units Value Function Note SM1280T: Line input nominal: 3x400 Power input, 3 phase + GND CONN #1, pin 2-3-7 Working voltage range 360÷440 See wiring schematic Max Absolute voltage: @400V input, full power Input Current, max: 18.5...
- Page 10 SM 1280 Equipment maintenance Environmental & Physical Characteristics: Indoor use only, within industrial Use: Cleaning enclosure 5÷40°C [41÷104°F], Min-Max Cleaning of air inlet: verify once a month. In case you need Working temperature range ambient temperature to remove dust then proceed as follow: Altitude design criteria: for altitude up to 2.000 m...
- Page 11 SM 1280 SM 1280 Note that each equipment has its own fan which intake approx V) The connector #5 is the high voltage output and must be 200 m³/h: the outlet of the exhaust air is on rear panel, the connected to magnetron’s cathode, usually marked with the...
- Page 12 SM 1280 preheating: it’s a temporary state, driven by a timer, to allow Equipment operation the filament to be heated. The unit enters in this mode after a when working with versions allowing remote command or automatically after the end of Bootloader External Control (vers 0 - 2 - 22 - 50) state.
- Page 13 SM 1280 SM 1280 Software Menu Description Working Modes (vers 2 - 22 only) It’s the default page at Power The “Display” versions have a graphic display, can be driven ON. This view reports the sof- manually via the front panel controls.
- Page 14 SM 1280 This is the set-mode submenu: it The CPU drives the unit to obtain an electrical output power allows to select Manual or Exter- (Va * Ia) value proportional in a linear way to the reference nal Control. input signal. The scaling is 850W/V.
- Page 15 SM 1280 SM 1280 In case the program sRecLoad.exe sends data whithin 2 DIP-SWITCH #2 (on board M416.x) seconds, the microprocessor bootloader stores the new data on the internal flash memory, installing the new release, and Switches 1 and 2 (SW2-1 and 2-2) select the type of filament cut-back curve according magnetron specs: see the following automatically executes it when the download is done.
- Page 16 SM 1280 Equipment operation with versions having network capability (vers 1 -51) ATTENZIONE! RS 232 LA MANUTENZIONE DEVE ESSERE CONN #5 FATTA DA PERSONALE QUALIFICATO. RISCHIO DI SCARICHE ELETTRICHE Power-up procedure BUS ADDRESS ALL’INTERNO! CONN #6 WARNING! REFER SERVICE TO QUALIFIED PERSONNEL ONLY.
- Page 17 SM 1280 SM 1280 Link/Activity LED: LED State Description No link, no activity Green Link established Green, flashing Activity Each module is galvanically insulated. A standard “straight” Ethernet RJ45 cable can be used to establish a connection between SM1280 psu and the PC or HUB device.
- Page 18 SM 1280 Connector # 1 wiring (vers. 0 - 1 - 2 - 22) page 16 of 27 File: SM1280_r7eng - April 2017 - Technical note: SM1280...
- Page 19 SM 1280 SM 1280 Connector # 1 wiring (vers. 50 - 51) File: SM1280_r7eng - April 2017 - Technical note: SM1280 page 17 of 27...
- Page 20 SM 1280 Connector # 3,4,5 wiring (all versions except 22) page 18 of 27 File: SM1280_r7eng - April 2017 - Technical note: SM1280...
- Page 21 SM 1280 SM 1280 Connector # 6 wiring (all versions except 22) CODES TABLE OF ALARMS valid for all versions (in brackets [ ] pin no.) BIT 3 BIT 2 BIT 1 BIT 0 Description [22] [ 9] [21] [ 8]...
- Page 22 SM 1280 Connector # 2, 6 wiring for version 22 only id32273156 pdfMachine by Broadgun Software - a great PDF writer! - a great PDF creator! - http://www.pdfmachine.com http://www.broadgun.com RS232 connector wiring (all versions) page 20 of 27 File: SM1280_r7eng - April 2017 - Technical note: SM1280...
- Page 23 SM 1280 SM 1280 Connector # 3, 4, 5 wiring for version 22 only (Typical wiring to our standard head type TM060-61) File: SM1280_r7eng - April 2017 - Technical note: SM1280 page 21 of 27...
- Page 24 SM 1280 COMPONENT LAYOUT Vers 0-1-2-50-51 page 22 of 27 File: SM1280_r7eng - April 2017 - Technical note: SM1280...
- Page 25 SM 1280 SM 1280 Component list (See drawing page 21) SM1280 T/U Model D Model Q.ty Pos. Description Note 800000416/1280 CPU board M416 800000311/1280T Driver board M311 Power board M408 800000408 VE2GRE120/6221R Fan, 230V Fan capacitor 2µF CR202A450 ...
- Page 26 SM 1280 SM1280 T/U Model D Model Pos. Q.ty Note Description 7 pins Socket AMP/CPC MOCPC07/2113981 CONN#3 female pin AMP type III MOCPCX/1630881 CONN#3 7 pins Plug AMP/CPC (*) PLUG#3 (**) male pin AMP type III (*) ...
- Page 27 SM 1280 SM 1280 ALARM TROUBLESHOOTING As soon as an alarm is generated, the microwave output is switched off, but the alarm condition is latched, and can be immediately stopped, the alarm relay contact opened, the reset only removing the hardware ENABLE input for at least alarm code relay contacts set to the appropriate values, and the 2 seconds.
- Page 28 SM 1280 ALARM TROUBLESHOOTING Code Description Cause/Solution Low Air If it isn’t used the related input must be grounded. Pressure If used, contact grounded=OK, open=alarm Check head air filter. from head If it isn’t used the related input must be grounded.
- Page 29 SM1280T.ALT51PROF: input 400V, version with separate input for auxiliary voltage, with Profibus interface MKS Alter reserves the right to improve or modify this products, at any time, without obligation to notify any person or entity of such changes. No part of this publication may be reproduced without the express written consent of MKS Alter.
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