MTL5516C Switch MTL Safety Barrier Proximity Detector Interface 35mA 24V
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MTL5516C SWITCH/ PROXIMITY DETECTOR INTERFACEThe MTLx516/C enable two safe-area loads to be controlled by a switch or proximity detector located in a hazardous-area. When selected, open or short circuit conditions in the field wiring are detected by the line- fault-detect (LFD) facility and also indicated on the top of the module. Phase reversal for each channel is selected by a switch on the side of the module and output is provided by changeover relay contacts.
SPECIFICATION
Number of channels Two Location of switches Zone 0, IIC, T6 hazardous area Div. 1, Group A hazardous location Location of proximity detector Zone 0, IIC, T4–6 hazardous area if suitably certified Div. 1, Group A hazardous location Hazardous-area inputs Inputs conforming to BS EN60947–5–6:2001 standards for proximity detectors (NAMUR) Voltage applied to sensor 7 to 9V dc from 1kΩ ±10% Input/output characteristics Normal phase Outputs closed if input > 2.1mA (< 2kΩ in input circuit) Outputs open if input < 1.2mA (> 10kΩ in input circuit) Hysteresis: 200µA (650Ω) nominal Line fault detection (LFD) (when selected) User-selectable via switches on the side of the unit. Line faults are indicated by an LED for each channel. The channel output relay is de-energisedif an input line fault is detected. Open-circuit alarm on if Iin < 50µA Open-circuit alarm offif Iin > 250µA Short-circuit alarm on if Rin < 100Ω Note: Resistors must be fitted when using the LFD facility with a contact input 500Ω to 1kΩ in series with switch 20kΩ to 25kΩ in parallel with switch Safe-area output Two single-pole relays with changeover contacts Note: reactive loads must be adequately suppressed Maximum current consumption 35mA at 24V Power dissipation within unit 0.84W at 24V LED indicators Green: power indication Yellow: two: channel status, on when output energised Red: two: LFD indication, on when line fault detected
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| Product Tags: MTL Safety Barrier 35mA MTL Safety Barrier 24V MTL5516C |
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