Programmable relay module D5294S

switchingtripsafety

SIL3 Relay Out Module for 5 A NE/ND Loads with LFDThe D5294 is a relay module suitable for switching safety related circuits, up to SIL 3 level, for high risk industries. It provides isolation between input and output contacts. It makes available 2+2 NO relay contacts connected in parallel and then in series to avoid spurious trip and to increase process availability. High process availability SIL 3 Safety Function for both Normally Energized (NE) and Normally De-energized (ND) / F&G loads is available. Load can be isolated from supply on both polarities. A wide compatibility towards different DCS/PLC is guaranteed: driving pulse testing is permitted by a dedicated internal circuit, which prevents contact and LED flickering. Line and load short/open circuit detection and load voltage monitoring are provided, both when the load is off and when the load is on. The fault in the field is directly mirrored to the PLC DO and it is also reported by opening the fault output. Diagnostic parameters are programmable and can also be monitored/configured through Modbus.SIL 3 / SC 3 for NE/ND loads with NE/ND driverSIL 2 / SC 3 for FAULT OUTPUTSInstallation in Zone 2/Div. 2Up to 5 A functional / 6 A inrush currentLoad disconnection on both supply lines availableHigh process availability to avoid spurious tripsCompatible with DCS/PLC pulse testingLine and Load short/open circuit detectionLoad voltage monitoringEarth leakage monitoringInternal coil integrity monitoringField fault mirroring to the PLC DOModbus RTU RS-485 for monitor & configurationService contact availableInput/Output/Supply isolationTechnical Specifications:Supply: 24 Vdc nom (18 to 30 Vdc), reverse polarity protected. Current Consumption: 45 mA @ 24 Vdc (no fault), typical. Power Dissipation: 1.1 W @ 24 Vdc (no fault), typical.Input: 24 Vdc nom (21.6 to 27.6 Vdc), reverse polarity protected. Relay coils are internally protected with suppressor diodes. Current Consumption: 40 mA @ 24 Vdc (no fault), typical. Power Dissipation: 1.0 W @ 24 Vdc (no fault), typical.Output: Voltage free 2+2 SPST relay contact (2 paralleled contacts in series) at terminals 13-15 and 14-16, close when relay energized, open in de-energized condition. Contact material: Ag Alloy (Cd free), gold plated. Contact rating: 5 A 250 Vac 1250 VA, 5 A 250 Vdc 140 W (resistive load). Contact min. switching current: 1 mA. Contact inrush current: 6 A @ 24 Vdc, 250 Vac. Mechanical / electrical life: 5 * 10⁶ / 3 * 10⁴ operation, typical. Operate / release time: 30 ms / 30 ms, typical.Fault: Load & line short/open circuit, supply voltage and earth leakage monitor. Diagnostics equivalent source: when the load is off, the diagnostic circuit forces a sensing signal: 5.5 V open circuit, 10 mA short circuit, typical. Line + load resistance: programmable up to 50 kΩ. Load current: programmable up to 5 A. Load supply voltage: programmable up to 250 Vdc/Vac. Load earth leakage: programmable up to 3 MΩ. Fault signaling: voltage free DPST contact. Fault 1 rating: 0.5 A 30 Vac 15 VA, 0.5 A 50 Vdc 25 W (resistive load). Fault 2 rating: 3 A 250 Vac 750 VA, 3 A 125 Vdc 120 W (resistive load). Response time: 4 s, typical.Modbus interface: Modbus RTU RS-485 up to 115.2 kbps for monitor/configuration/control.Isolation: Output/Input 2.5 kV; Output/Supply 2.5 kV; Output/Fault Outputs 2.5 kV; Output/RS485 Modbus 2.5 kV; Input/Supply 500 V; Input/Fault Output 1 500 V; Input/Fault Output 2 2.5 kV; Input/RS485 Modbus 500 V; Supply/Fault Output 1 500 V; Supply/Fault Output 2 2.5 kV; Supply/RS485 Modbus 500 V.Environmental conditions: Operating temperature: –40 to +70 °C. Storage temperature: -45 to +80 °C.Mounting: DIN-Rail 35 mm, with or without Power Bus or on custom Term. Board. Weight: about 195 g. Connection: by polarized plug-in disconnect screw terminal blocks to accommodate terminations up to 2.5 mm² (13 AWG). Dimensions: Width 22.5 mm, Depth 123 mm, Height 120 mm.Channels: 1Status: ACTIVE