Omron NT20S-ST161-EV3 programmable terminal, 24VDC, RS-232C

NT20 is a programmable terminal which is used to display and transmit information. The NT20 displays real-time information about the system and equipment operating status, etc. Program can be loaded into NT20 terminal, which allows for sending out instructions to the rest of the system by commanding with the screen.

HID panel specifications:

• Operating voltage:
  • 24VDC (20.4...27.6VDC)
• Max power consumption:
  • 10W
• Supported features:
  • Screen transfer
  • Screen data compatibility
  • PLC ladder
  • Backlight replacement
• Screen data memory:
  • 96KB
• Communications:
  • Host link/NT link
• Communications connector:
  • 9pin DB-9F RS-232C
• RS-232C connector pinout:
  • Pin 1:
    • Ground (shield)
  • Pin 2:
    • Receive data (RXD)
  • Pin 3:
    • Transmit data (TXD)
  • Pin 4:
    • Clear to send (CTS)
  • Pin 5:
    • Request to send (RTS)
  • Pin 6:
    • +5VDC
  • Pin 7:
    • Not connected
  • Pin 8:
    • Not connected
  • Pin 9:
    • Signal ground
• Operating temperature range:
  • 0...50°C (no freezing)
• Storage temperature:
  • –20...70°C
• Noise immunity:
  • Based on standard IEC 61000-4-4: 2kV
• Vibration resistance (during operation):
  • 5...9Hz with 3.5-mm single amplitude
  • 9...150Hz with 9.8-m/s² acceleration for 10 times (1 octave/min) in each of X, Y and Z directions
• Shock resistance (during operation):
  • 147m/s², 3 times in each of X, Y and Z directions
• Panel cutout dimensions:
  • 178x100mm (this is what we measured)
• Panel thickness:
  • 1.6...4.8mm
• Front panel protection degree:
  • P65 (equivalent to NEMA4)

Download Omron NT20-series programmable terminal user manual