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Assessments - 4, GPA: 3.8 ( )

Instruções de Operação Omega Engineering, Modelo SOLID STATE RELAYS SBG22445

Fabricante : Omega Engineering
Arquivo Tamanho: 103.95 kb
Arquivo Nome : M1773.pdf
Língua de Ensino: en
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UNPACKING Remove the Packing List and verify that you have received all equipment. If you have any questions about the shipment, please call the OMEGA Customer Service Department at 1-800-622-2378 or (203) 359-1660. When you receive the shipment, inspect the container and equipment for any signs of damage. Note any evidence of rough handling in transit. Immediately report any damage to the shipping agent. NOTE The carrier will not honor any claims unless all shipping material is saved for their examination. After examining and removing contents, save packaging material and carton in the event reshipment is necessary. Fuse F1 Input VAC (EXIA) Load Fuse F1 Non-Hazardous Location Hazardous Location Sensor Switch Note: For 120V application, only one fuse is required in the ungrounded circuit of the input line. Fig. 1. Connection Diagram (All Models Except SBG41705) Important: Read carefully and completely before installing or connecting the solid-state relays. ASSOCIATED EQUIPMENT Caution: The intrinsically safe relays can be installed in panel assemblies in Class I, Div.2, Groups A, B, C and D or in a non-hazardous location. Only the sensor's terminals provide an intrinsically safe switch circuit (Fig. 1, 2). (Exia) means associated equipment "Appareilage connexe", located in safe area. MOUNTING AND ENCLOSURE CONSIDERATION • Field wiring of intrinsically safe circuits is to be segregated from non-intrinsically safe wiring by use of suitable barriers, separate wireways or trays (see Fig. 3). • Intrinsically safe and non-intrinsically safe connection points should be located sufficiently apart to prevent any possibility of bypassing or miswiring during installation or servicing of equipment. • The enclosure shall contain a cautionary statement as follows: "CAUTION: ANY SUBSTITUTION OF COMPONENTS MAY IMPAIR INTRINSIC SAFETY". • The mounting plate must be grounded to ensure intrinsic safety. Resistance between the plate and earth ground should be less than one ohm. (See Figs. 4 and 5 for recommended selection of grounding hardware and refer to Article 250 of the National Electrical Code for methods and practice.) INSTALLATION OF SENSOR SWITCH AND ASSOCIATED FIELD WIRING • The nature of the sensor switch must be that it is a non-voltageproducing, essentially resistive termination or other device specifically examined and approved for use with the intrinsically safe solid-state relay. • The conductors of the intrinsically safe circuit should be sealed in a rigid metal conduit at the point where the wiring enters the hazardous area. The wiring and sensor switch should be such that conductive dusts in the hazardous area will not close the circuit. • Hazardous area field wiring will store energy due to distributed capacitance and inductance in proportion to its length. It is therefore recommended that the characteristics of the cable be known and judged against the length of run and atmosphere of exposure. The following chart is presented as a guideline in d...

Este manual também é adequado para os modelos :
equipamento de bombagem - SOLID STATE RELAYS SBG25872 (103.95 kb)
equipamento de bombagem - SOLID STATE RELAYS SBG25873 (103.95 kb)
equipamento de bombagem - SOLID STATE RELAYS SBG41705 (103.95 kb)

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