Technical Manual - Tunstall GmbH

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8. Laying cables 8.2 Electromagnetic compatibility (EMC) 56 All components of the nurse call system remain well below the specified electro‐ magnetic compatibility (EMC) limit values. Nevertheless, in individual cases and under certain conditions, faults can arise in the nurse call system due to insufficient interference suppression of fluorescent lamps, e.g. in medical sup‐ ply units. The customer must ensure that appropriate precautions are taken in order to prevent such external interference and the resulting faults. It may be possible to prevent these faults by installing interference suppression elements (varistor circuits). The varistor circuits are available from the manufacturers. Tunstall GmbH supplies the 230 V AC overvoltage protection filter (Order no. 70 0890 97) for this. The EMC behaviour of different medical supply units can vary greatly. Even two supply units of the same type can behave differently if they are wired up dif‐ ferently. Nurse call systems normally have a widely extended spatial structure, the EMC behaviour of which is influenced by the configuration of the wiring network. Also bear this in mind when retrofitting or when converting existing medical sup‐ ply units. 8.2.1 Cables of the power system or other systems carrying hazardous voltage The cables of the nurse call system power circuits must not be routed in com‐ mon cables, pipes or installation ducts together with wires of the power system or other systems carrying hazardous voltage. The cables of the nurse call system and the power system must be laid with a minimum spacing of 30 cm. In the case of shorter sections of less than 10 m, a spacing of 10 cm is regarded as sufficient. 230 V / 400 V AC Spacing > 30 cm Power system cable Nurse call system cable In medical supply units, the specifications of ISO 11197:2004 apply to laying wiring. CONCENTO PLUS - Technical Manual, 11/12 (Rev. 3.0), 00 8814 14
8.3 Power supply cable (code: k) CONCENTO PLUS - Technical Manual, 11/12 (Rev. 3.0), 00 8814 14 8. Laying cables The system's power supply is provided with +24 V direct voltage. A sheathed cable of the type NYM 2x1.5 mm 2 or NYM 2x2.5 mm 2 must be used as the power supply cable ”k”. The operating voltage of the devices being supplied should not be less than 22 V DC at 20% call capacity utilisation. +24 V GND Fig. 5: NYM 2x2.5 mm 2 or NYM 2x1.5 mm 2 The power supply cable is laid as a ring. A separate power supply cable is recommended for corridor displays. Note! To keep the voltage drop as low as possible, always choose the shortest route when laying the cables. 12 A or 5 A power supply units are available, depending on the ward's power requirements. The power supply units have current limitation and have built-in overvoltage protection devices so that no additional fusing is necessary. The power supply unit for the CONCENTO PLUS system must always be connec‐ ted to the 230 V AC supply voltage via its own protective system and with a per‐ manent connection. The German standard DIN VDE 0834 stipulates an emergency power supply. If no emergency mains system is available, compar‐ able measures must be taken (UPS). A current balance calculation must be performed for dimensioning the power supply units. The capacity of the power supply unit should be calculated with a 20% simultaneity factor of set calls and presences. Note! If the maximum permissible cable length is exceeded (see Page 68), a centre infeed must be provided and this must be taken into account for the cabling. The Group Electronics must be connected to each other via the GND connec‐ tions (ground line) and must be centrally earthed and fixed in the determined place (PE) in the building (functional ground). Use a suitable cable for this, the core cross section of which is at least the same as the power supply unit's equipment connecting cable. 4 mm 2 is recommended. Note! In any case, more than one functional ground must be avoided due to possible vagabond voltages. 57
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CONCENTO PLUS Technical Manual COMM
Page 3 and 4:
CONCENTO PLUS - Technical Manual, 1
Page 5 and 6:
CONCENTO PLUS - Technical Manual, 1
Page 7 and 8: 1.5 General safety regulations CONC
Page 9 and 10: 2. Prior knowledge required 2.1 Sys
Page 11 and 12: CONCENTO PLUS - Technical Manual, 1
Page 13 and 14: 2.4 ConLog PLUS Management Software
Page 15 and 16: 2.5.2 Group speech Group bus CONCEN
Page 19 and 20: Per room Per bed In WC room Termina
Page 21 and 22: Per room Per bed In WC room Display
Page 23 and 24: 3.3 Staff room c+k Per room CONCENT
Page 25 and 26: 3.4.2 Function room without speech
Page 27 and 28: 3.5.2 Ward bathroom without speech
Page 29 and 30: Per room Display module or Call/pre
Page 31 and 32: Per room Terminal SD6 P or Terminal
Page 33 and 34: Per room Display module or Call/pre
Page 35 and 36: Per apartment Per bed Terminal S4 B
Page 37 and 38: 4. Accessories required Accessories
Page 39 and 40: 5. Installation examples See below
Page 41 and 42: 5.2 Nurse call system with speech:
Page 43 and 44: 5.4 Assisted living g (equipotentia
Page 45 and 46: 5.5.2 1‐bed room with WC Ward bus
Page 47 and 48: 5.5.4 1-bed room with WC: Wiring in
Page 49 and 50: 6. Installation sequence Work step
Page 51 and 52: 7. Defining mounting positions 7.1
Page 53 and 54: 7. Defining mounting positions 7.3
Page 55 and 56: 7.3.3 Switches ÀÀ ÀÀÀÀÀ ÀÀ
Page 57: CONCENTO PLUS - Technical Manual, 1
Page 61 and 62: 8.3.1 Earthing the nurse call syste
Page 63 and 64: 8.5 Group bus and ward bus (code: c
Page 65 and 66: 8. Laying cables 4. Only now cut of
Page 67 and 68: 8.5.4 Ward bus Group bus GE Termina
Page 69 and 70: 9. Switching on the power supply Pr
Page 71 and 72: 10. Configuring the nurse call syst
Page 79 and 80: 11.2.1.1 Checking function from WCs
Page 83 and 84: 12.1 Room terminals 19 0700 20 Term
Page 85 and 86: Terminal SD6 P, order no. 19 0700 2
Page 87 and 88: Terminal SD6 P, order no. 19 0700 2
Page 89 and 90: Tunstall GmbH, Orkotten 66, 48291 T
Page 93 and 94: Display module, order no. 19 0700 8
Page 95 and 96: Display module, order no. 19 0700 8
Page 97 and 98: Call/presence combination bus (RAB)
Page 99 and 100: Tunstall GmbH, Orkotten 66, D-48291
Page 101 and 102: Tunstall GmbH, Orkotten 66, D-48291
Page 103 and 104: Corridor display, order no. 19 0781
Page 105 and 106: Corridor display, double-sided, ord
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Tunstall GmbH, Orkotten 66, 48291 T
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12. Product leaflets 12.4 Call swit
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Call switch with connection socket,
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Tunstall GmbH, Orkotten 66, D-48291
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12. Product leaflets 12.6 Power sup
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Power supply unit UPS, Order No. 77
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Power supply unit, Order No. 77 340
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3. Commissioning Power supply unit,
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Power supply unit UPS 60, Order No.
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Battery Set for UPS 60, Order No. 7
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Battery Set for UPS 60, Order No. 7
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13. Programming tables, checklist
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Programming table, terminal configu
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Programming table, group coupling P
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