Sejin Electron SKM-2040 Manuals

1 pdf manual(s) Sejin Electron SKM-2040 for free download (Document Types: Operation & user’s manual)

Sejin Electron SKM-2040 Operation & user’s manual [PDF] (6 pages)

  • Identifier: id-1694452
  • Brand: Sejin Electron
  • Device: SKM-2040 Keyboard
  • Type: PDF
  • Key Aspects: System Architecture and Design Overview, Pre-Installation Safety Requirements, Cleaning and Sanitization Methods
  • UPD Date: 04.05.2026
  • Source File: 1696914.pdf
  • Pages: 6
  • Description: Instruction manual for the Sejin Electron SKM-2040.
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  • 2 FCC NOTICE THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITION: (1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND (2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDERSIRED OPERATION. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provid
  • 3 1. SCOPE This document describes the detail specifications for SEJIN’s SKM-2040 keyboard. 2. MECHANICAL SPECIFICATION 2.1 KEYSWITCH(MA-41) OPERATING SYSTEM : non-lock tactile back. TRAVEL AMOUNT : 3.8± 0.5mm with measuring load of 200gf applied. OPERATING FORCE : 60± 25gf LIFE : exceed 10 million operations. 2.2 KEY TOP The keytop pull out force shall be 0.5kg or more at normal temperature during initial state. The keytop shall be not pulled out
  • 4 3. ELECTRICAL SPECIFICATION POWER SUPPLY VOLTAGE : +4.75 ~ +5.25V DC POWER SUPPLY CURRENT CONSUMPTION : 250Ma max SIGNAL INPUT VOLTAGE : -0.5 ~ +5.5V KEY SWITCH MAXIMUM RATING : 5V DC 5Ma resistance load CONTACT RESISTANCE : 800 ohm or less KEY SWITCH INSULATION RESISTANCE : 100M ohm or more between terminal(at 250V DC) KEY SWITCH VOLTAGE : 250V AC(50/60 Hz) OPERATING METHOD z NORMAL OPERATION The operating force of 3kg Max, shall be applied at the rate
  • 5 OPERATION REGION ON/OFF Switing ON 2.3mm 0.8mm 0.7mm Total Bottom end Top end traval 4. CONFIGURATION The keyboard comprises the key swith section and signal processing circuit. The keyboard cable connects to the system with a 6-pin MINI DIN connector. The following table shows the pin configuration and signal assignments. Frame GND Shield 6 Pin Keyboard Data Keyboard Clock Vcc Ground Reserved Description 5 4 3 1 2 1 2 3 5 4 6 6 Pin
  • 6 5. ENVIRONMENTAL CHARACTERISTIC AMBIENT TEMPERATURE AND HUMIDITY(operational) Temperature : 0 ~50˚ C Humidity : 85％RH (without condensation) ALLOWABLE AMBIENT TEMPERATURE AND HUMIDTY(storage) Temperature : -20 ~ +60˚ C Humidity : 95％ RH(without condensation) VIBRATION The equipment shall not be damaged electrically and mechanically when the following vibration has been applied to the package keyboard. The testing method shall be in accordance with
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1 User’s Manual (M/N:SKM-2040) Sejin Electron Inc.

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