K-System – Isolated Barriers
Technical Specifications
2020-12
43
• LEDs according to NAMUR NE 44
• Software according to NAMUR NE 53
• Switch-on pulse suppression
• K*D2 devices:
• Supply voltage 20 V DC to 30 V DC via Power Rail or supply terminals
• Collective error message via Power Rail
• K*A and K*U devices:
• Supply voltage 115 V/230 V AC ±10 %
• Safety devices according to VDE 0660, part 209, AK according to DIN 19250
Digital Inputs and Outputs according to NAMUR
• IEC/EN 60947-5-6: Low voltage switch gear and control gear – part 5 and 6:
Control devices and switching elements – DC interface for proximity sensors
and switch amplifiers (NAMUR), 1999
Ambient Conditions
Ambient Temperature
• -20 °C to 60 °C (-4 °F to 140 °F), exceptions see data sheets
• extended ambient temperature range up to 70 °C (158 °F), necessary mounting
conditions see chapter 3.1
Storage Temperature
• -40 °C to 90 °C (-40 °F to 194 °F), exceptions see data sheets
Reference Conditions for Adjustment
• 20 °C (68 °F)
Relative Humidity
• max. 95 % without moisture condensation
Vibration Resistance
• according to EN 60068-2-6, 10 Hz to 150 Hz, 1 g, high crossover frequency
Shock Resistance
• according to EN 60068-2-27, 15 g, 11 ms, half-sine
Mechanical Specifications
Mounting
• Snap-on 35 mm DIN mounting rail according to EN 60715. Can be mounted horizontally
or vertically, side by side.
• Panel mount: The lugs on the base of the isolator must be extended and used
for mounting purposes with 3 mm screws.
• K-MS mounting base for screw attachment
Housing Material
• Polycarbonate (PC)
Dimensions
• Dimension drawings please refer to chapter Dimensions.
Protection Degree
• IP20 according to EN 60529
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