1 Ch, Digital Output Driver Bus Powered for NE Loads, SIL 3


The single channel DIN-Rail Bus Powered Digital Output Isolator, D1049S, is suitable for driving solenoid valves, visual or audible alarms to alert a plant operator, or other process control devices in Hazardous Area from a driving signal in Safe Area. It can also be used as a controllable supply to power measuring or process control equipment. Its use is allowed in applications requiring up to SIL 3 level (according to IEC 61508:2010 Ed. 2) in safety related systems for high risk industries. The Safety PLC or DCS driving signal controls the field device through the D1049S, which provides isolation and is capable of monitoring the conditions of the line. Short and open circuit diagnostic monitoring, dip-switch selectable, operates irrespective of the output condition and provides LED indication and NC transistor output signaling. When fault is detected output is de-energized until normal condition is restored.
An override input, dip-switch selectable, is provided to permit a safety system to override the control signal. When enabled, a low input voltage always de-energizes the field device regardless of the input signal. Three basic output circuits are selectable, with different safety parameters, to interface the majority of devices on the market. The selection among the three output characteristics is obtained by connecting the field device to a different terminal block.


• SIL 3 Systematic capability
• Output to Zone 0 (Zone 20), Division 1, installation in Zone 2, Division 2.
• Bus powered for NE loads.
• Short and open circuit line diagnostic monitoring with LED, transistor output.
• Output short circuit proof and current limited.
• Three port isolation, Input/Output/Supply.
• EMC Compatibility to EN61000-6-2, EN61000-6-4, EN61326-1.
• In-field programmability by DIP Switch.
• High Reliability, SMD components.
• Simplified installation using standard DIN-Rail and plug-in terminal blocks.
• 250 Vrms (Um) max. voltage allowed to the instruments associated with the barrier.


20-30 Vdc



SIL level



    Datasheet of D1049 ( EN )
    D1000 Series Common Specifications and Dimensional Drawing ( EN )
    Instruction Manual D1049 ( EN )
    Instruction Manual D1000 Series ( EN )
    Ex safety instruction manual for D1000 series ( EN )
    ATEX > DEKRA > ATEX D1000 Series Certificate ( EN | DE )
    EAC_EMC > EAC > D1000 EAC EMC Declaration of Conformity ( RU )
    EAC_EX > TECHNOPROGRESS > EAC Ex Certificate for D1000 Series ( RU )
    HAZARDOUS_LOCATION > FM > FM No.3024643-3029921C Certificate ( EN )
    IECEX > DEKRA > DEKRA IECEx for D1000 Series ( EN )
    INMETRO_EX > DNV-GL > INMETRO Certificate DNV 13.0108 X for D1000 series ( EN )
    MARITIME > KR > KR Maritime Certificate D1000 Series ( EN )
    MARITIME > DNV-GL > DNV Maritime Certificate TAA00002BM for D1000 Series ( EN )
    QMS_FS > TUV_SUD > TUV C-IS-236198-09 Functional Safety Certificate ( EN )
    SIL > TUV_SUD > TUV C-IS-236198-04 SIL Certificate Summary ( EN )
    UKRAINE_EX > SERTIS-CENTER > Ukraine Techincal Regulation n. 898 certificate D1000 series ( UK )
    EU Declaration of Conformity for RoHS, REACh ( EN )
    EU Declaration of Conformity for D1048, D1049, D1061-077 ( EN )
    Declaration of G3 compliance for D1000_PSD1000-PSD1001-PSD1001C-PSD1004-PSD1220-PSD1220-098 SERIES ( EN )
    2D_drawing_D1000_dwg ( EN )
    3D_drawing_D1000_dwg ( EN )
    3D_drawing_D1000_stp ( EN )
    BUSPower Bus Optional Enclosure
    MCHP065Din Rail Anchor, for Terminal Block Side of Bus Power
    MOR016DIN Rail End Stopper Terminal Block
    MOR017Plug-in Terminal Block male, Horizontal Output, for Bus Power
    MOR022Plug-in Terminal Block female, Horizontal Output, for Bus Power


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