F104 Low-power fieldbus power supply Technical data
●The F104 has low current consumption and is ideal for use in solar-powered applications such as instrumentation nodes for remote well-heads. This is achieved by providing a lower output voltage to the fieldbus segment than with conventional fieldbus power supplies. This eliminates unnecessary power dissipation in the fieldbus instruments. The 13V nominal output is nevertheless sufficient to support up to 10 typical instruments on a 200m trunk cable.
●Termination of the fieldbus segment is selected using a switch on the module, and is normally enabled, but it may be switched out for those few applications that do not require a terminator at the Fieldbus Power Supply.
●For extreme reliability, the module uses passive components for power conditioning and a reliable DC/DC converter to provide galvanic isolation and power regulation. The connectors used for power input and the fieldbus are high quality pluggable types with screw retention. Spring-clamp (-PC) and screw-terminal (-PS) connector versions are supported.
●LED indicators show the status of the module. In normal operation, the green Power LED is lit, showing that there is proper input voltage to the module and the red Fault LED is off. If the fieldbus segment is shorted, or in an over-current condition, the Fault LED blinks. An internal module error is indicated by a steady light on the red Fault LED. The status of the internal terminator switch is also indicated by an illuminated ‘T’ symbol.
●The F104 can be powered from a power supply between 10 to 30V DC; a range that easily accommodates typical 12V and 24V solar-powered battery systems. The incoming power can be applied via a top-mounted connector, which supports onward looping of power wiring, or by using a proprietary plug-in connector on a DIN-rail bussing system.
●The F104 module provides galvanic isolation between the input power and the fieldbus segments, as required by the IEC 61158-2 fieldbus standard and the Fieldbus Foundation™ FF-831 validation test for fieldbus power supplies.
●Fieldbus power for Foundation™ fieldbus H1 cards
●Low power consumption, for high efficiency in solar-powered applications
●Fully isolated
●Wide input power supply range 10-30V
●DIN-rail mounting
●Supports bussing of input power in the DIN rail
●13V, 250mA output
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Low-power fieldbus power supply 、 fieldbus power supply 、 Power Bus DIN-rail connectors 、 Power Bus DIN-rail input plug and socket set 、 DIN-rail mounted strain relief clamps |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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April 2022 |
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Rev 6 |
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EPS F104 |
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1.3 MB |
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