Technical Data
3TechnicalData
Parameter EXTER K20m
Frontpanel,WxHxD 155x155x6mm
Mountingdepth 46.4 mm
Front panel seal IP 66
Rear panel seal IP 20
Keyboardmaterial Membrane switch ke yboard with metal domes. Overlay
film of AutotexF207* with printon reverseside. 1million
operations.
Reverse side
material
Powder-coated aluminum
Weight 0.55 kg
Serialport
RS422/RS485
25-pin D-sub contact, chassis-mountedfemale with
standard lo cking screws 4-40 UNC
SerialportRS232C 9-pin D-sub contact, male with standard locking screws 4-40
UNC
Flashmemory for
application
512 kB
Realtime clock ±20 PPM + error because of ambient temperature. Total
maximumerror: 1 minute/monthat 25 °C.
Temp erature coefficient: -0.034±0.006 ppm/°C
2
Real time
clockbattery
(rechargeable)
MS614S (UL and cUL: SII Micro Parts L td)
Power consumption
at rated voltage
Normal: 0.1A
Maximum: 0.3 A
Display FSTN-LCD, 240 x 64 pixels, monochrome transmissive
negative.
LED backlight lifetime at the ambient temperature of
+25 °C: >47,000h.
Activeareaof
display, W x H
90.2 x 24.0 mm
Fuse Internal DC fuse, 1.0 AT, 5 x 20 mm
Power supply +24 V DC (20 - 30V DC). Power supply connector.
CE: The power supplymust conform with the requirements
accordingto IEC 60950 and IEC 61558-2-4.
UL and cUL: The power supply must conform with the
requirements for class II power supplies.
Ambient
temperature
Vertical installation: 0 ° to +50 °C
Horizontal installation: 0 ° to +40 °C
Storagetemperature -20 ° to +70 °C
Relative humidity 5 - 85 % non-condensed
Approvalsand
certifications
Information is available on t he w eb site
www.beijerelectronics.com
*SeesectionChemical Resistance for m ore information.
Beijer Electronics, MAEN852B
11
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