The Switch/Proximity Detector Repeater D6231 is a module suitable for applications requiring SIL 2 level in safety related systems for high risk industries. The unit can be configured for switches or proximity detectors and repeats the input state to a solid-state relay contact. The selectable fault detection circuit is available for proximity sensors or switches equipped with end of line resistors. The module is fully configurable to achieve input/output multiplexing, duplication, inversion, and input logical elaboration (AND, OR). Each output can also be configured to report the cumulative fault of any input subset. Configuration and diagnostic parameters are programmable and can also be monitored/set through Modbus.
- SIL 2 / SC 3
• Field open and short circuit detection
• Input muxing/duplication/inversion/operations available
• Modbus RTU RS-485 for monitor & configuration
• Fully programmable operating parameters
• Three port isolation, Input/Output/Supply
• High Density, eight channels per unit
24 Vdc nom (18 to 30 Vdc), reverse polarity protected.
Current consumption: 84 mA @ 24 Vdc with short circuit input and output
Power dissipation: 2.1 W @ 24 Vdc with short circuit input and output
NAMUR standard according to IEC 60947-5-6
Input switching current levels: ON ≥ 2.1 mA, OFF ≤ 1.2 mA.
Open fault: current ≤ 0.05 mA.
Short fault: resistance ≤ 100 Ω.
No fault: current ≥ 0.35 mA and resistance ≥ 360 Ω.
Input equivalent source: 8 V 1 kΩ typical (8 V no load, 8 mA short).
Voltage free SPST optocoupled open-collector transistor (solid-state relay,
Open-collector/drain rating: 100 mA @ 35 V (≤ 1.0 V voltage drop).
Leakage current: ≤ 10 μA @ 35 V.
Response time: 2 ms.
Frequency response: 500 Hz maximum.
Modbus RTU RS-485 up to 115.2 kbps for monitor/configuration/control.
In/Out 1.5 kV; In/Supply 1.5 kV; Out/Supply 500 V.
Operating temperature: temperature limits –40 to +70 °C.
Storage temperature: temperature limits –45 to +80 °C.
DIN-Rail 35 mm, with or without Power Bus or on custom Term. Board.
Weight: about 175 g.
Connection: by polarized plug-in disconnect screw terminal blocks to
accomodate terminations up to 2.5 mm² (13 AWG).
Dimensions: Width 22.5 mm, Depth 123 mm, Height 120 mm.