ProfiHub B5
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Catalog excerpts

ProfiHub B5 - 1

ProfTiitHle sulidbe A5 5 Channel DP Spur Repeater

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ProfiHub B5 - 2

Channel 1 to 5 ProfiHub Structure (1) Power supply ! The PROFIBUS completely all the channels bus. This means does NOT ! Every channel, bus, is galvanically ! Every channel, bus, can handle 31 devices ! Termination switchable Main bus. ! Main Bus-In physically connected. Intelligent Internal Backbone C1 C2 C3 C4 C5 Main Bus Main bus In Main bus Out

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ProfiHub B5 - 3

Intelligent Internal Backbone ProfiHub Structure (2) A, B, Sh, I A, B, Sh, I A, T isolated area A, B, Sh, I T isolated area A, B, Sh, I T isolated area A, B, Sh, I T isolated area A, B = PROFIBUS DP Sh = Direct grounding I = Capacitive grounding isolated area Tm +, -, Sh, I Power Main bus Channel 1 Channel 2 Channel 3 Channel IN OUT 10 Vdc – 32 Vdc T = Termination (default Tm = Termination (default

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ProfiHub B5 - 4

Application 1 – ‘Dynamic Spur Lines’ Long spur lines to instruments and the possibility to remove/insert operation. Short circuit protection on each spur line is automatically DP backbone Each spur line can be 200 m at 1,5 Mbps. Wiring problems do not spread the other spur lines.

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ProfiHub B5 - 5

Application 2 – ‘Star and Tree Networks’ Large networks with star and tree structures. This can be a combination inside and outside applications or dirty/dusty environments. DP backbone ! There is no limit in the cascading of ProfiHubs. ! Structures like these make it easy to extend the cable during operation.

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ProfiHub B5 - 6

Application 3 – ‘Barrier for non certified or EMC sensitive Because of the isolation and intelligence the ProfiHub provides, barrier for electrical sensitive segments. This keeps the backbone channels clean. Noisy Clean signal

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ProfiHub B5 - 7

Baudrate (kbit/s) Segment length (m) 9.6 1200 1200 19.2 45.45 93.75 187.5 500 1500 1200 1200 1000 400 200 Segment length (feet) 3940 3940 3940 3940 3280 1310 656 Advanced bus interface – Cable length Device Device Device Device Maximum 31 devices Example: 1000 m cable per channel at 187,5 Other channels With the same Cable length

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ProfiHub B5 - 8

The lower the shielding resistance, the better the EMC Advanced bus interface – Recommended cable Parameter Value Wires 2 (twisted) Impedance 135 .. 165 Ohm at 3 to 20 Capacity < 30 pF/m Loop resistance < 110 Ohm/km Wire diameter > 0.64 mm Wire area > 0.32 mm2 We recommend to use PROFIBUS cable that complies with specifications:

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ProfiHub B5 - 9

Advanced bus interface – Capacity Lower bus capacity The bus capacity has been reduced to a maximum of 10 pF, pF of standard PROFIBUS equipment. Rise- and Fall times with standard PROFIBUS Rise- and Fall times Lower bus capacity makes the cabling more reliable and reduces when cables wear off.

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ProfiHub B5 - 10

Advanced bus interface – Signal amplitude Higher signal amplitude The minimal signal amplitude at a load of 54 Ohms has been (with standard PROFIBUS this is 1,5 V). -1,5 V +1,5 V 0 V 54 Ù +2,1 V -2,1 V Higher amplitudes create a better behaviour at heavy bus loads.

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ProfiHub B5 - 11

The ProfiHub accepts all PROFIBUS cables that are available (with a maximum diameter of 12 mm). ! Robust Cable ! Food Cable ! Underground Cable ! Trailing Cable ! Festoon Cable ! FRNC Cable ! Flexible Cable ! Shipboard Cable ! Hybrid Cable Advanced bus interface – Cable types Festoon cable Food cable Robust cable Trailing cable Hybrid cable

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ProfiHub B5 - 12

ProfiHub Features Summary " 5 Galvanic isolated channels (repeater segments). " Transparent for all PROFIBUS DP protocols. " DP - RS 485 specifications for each channel. " 9,6 Kbps to 12 Mbps (automatic detection). " 31 devices per channel. " 1.200 m spur line length. " No limit in serial placement or cascading. " No address is required. " Integrated termination facilities (switches). " Configurable grounding system. " IP 65 classification (according to DIN 40 050).

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