K-System – Isolated Barriers
Technical Specifications
DOCT-0187Y 2023-12
43
• LEDs according to NAMUR NE 44
• Software according to NAMUR NE 53
• Switch-on pulse suppression
• K*D0 devices:
• Supply voltage 24 V DC, loop powered
• 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 devices:
• Supply voltage 115 V/230 V AC, details see datasheet
• K*U devices:
• Supply voltage 24 V DC or 115/230 V AC, details see datasheet
• 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), other temperature ranges see datasheets
• 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 datasheets
Reference Conditions for Adjustment
• 20 °C (68 °F)
Relative Humidity
• max. 95 % without moisture condensation
Corrosive gas durability
• according to ISA-S71.04, group A, severity level G3 (harsh)
Altitude
• max. 2000 m
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
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