The DF48 essentially works by taking an incoming signal from one network, "cleaning" and boosting the signal that is then transmitted on to another network segments. The DF48 performs this function in a bi-directional fashion to support this feature of Fieldbus.
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Power Supply Input |
Rated Input Voltage: 24 VDC ? 5 %
Rated Input Power: 3 W |
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Power Supply |
Maximum Voltage available at the barrier terminals at maximum current: 14 VDC
Maximum current: 100 mA at 14V
Short Circuit Electronic Protection:140 mA |
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Safety Parameters Hazardous
Area |
45 Open Circuit Voltage (Voc):15 VDC and Power: 1887 mW
Short Circuit Current (Isc): 221,7 mA, Is=125,8 mA at 15V
Max. Allowed Capacitance: Refer to FISCO standard
Max. Allowed Inductance: Refer to FISCO standard |
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Internal Dissipation |
Dissipation 3W maximum at 24V input, nominal Conditions |
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Cable Length Parameters* |
15 Ohm/km =0,1 mH/km =80 nF/km = |
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Digital Signal Transmission |
Compatible with 31.25kbit/sec Fieldbus systems |
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Fuse |
Safe area Power Supply: 400mA
Hazardous area:160mA
Safe Area Fieldbus: 100mA |
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Terminals |
Accommodate conductors up to 2.5 mm2 (12AWG) |
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Isolation |
2500V galvanic isolation between input, output, and power supply terminals. Tested at 1500Vrms minimum between hazardous and safe area terminals. |
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Ambient Temperature |
-20? to + 60?C (Continuous operation)
-40? to + 80?C (storage/ off line) |
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Humidity |
-5% to 95% relative humidity |
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Marking |
Ex II (1)G [Eex ia] IIB/IIC
Ex I M2 [Eex ia]
DF47 I.S. Barrier: It should be physically located in a safe area. |
