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ASL INTERCOM Var8 Installation Manual

Rack mount 8x8 dsp audio router and va system controller
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VAR8(EN54) and Variants
Rack Mount 8x8 DSP Audio Router and
VA System Controller
Installation Guide
ASL Document Ref.: U-0450-1818.doc
Issue: 01 complete, approved - Date: 16/06/11
Part Number: M0450_72

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Summary of Contents for ASL INTERCOM Var8

  • Page 1 VAR8(EN54) and Variants Rack Mount 8x8 DSP Audio Router and VA System Controller Installation Guide ASL Document Ref.: U-0450-1818.doc Issue: 01 complete, approved - Date: 16/06/11 Part Number: M0450_72...

  • Page 2: Table Of Contents

    VAR8(EN54) and Variants – Installation Guide This equipment is designed and manufactured to conform to the following EC standards: EMC: EN 55103-1/E1:1996, EN 55103-2/E5:1996, EN 50121-4:2006, ENV 50204:1995 Safety: EN 60065:2002 Voice Alarm: When installed in a Voice Alarm system designed in accordance with the ASL EN 54-16 &...

  • Page 3: Installation

    ADPCM and .wav message files should be converted to Motorola 'S' record format in order to be loaded to the VAR Router. Refer to ASL for details. The RS232 port is internally used for system networking when the VAR8(EN54) is fitted with the VAR-ANIC Network Interface Card. It may be temporarily disconnected from the network, and connected to a Host PC for configuration purposes.
  • Page 4 VAR8(EN54) and Variants – Installation Guide Front Panel Indicators and Controls STATUS INDICATORS power voice alarm system fault fault ROTARY ENCODER LOUDSPEAKER LCD DISPLAY KEYS U-0450-1818.doc – Issue: 01 complete, approved Page 4 of 20...
  • Page 5 LEDs system fault yellow critical to the Voice Alarm system, including those of the VAR8(EN54) itself. A communication fault between the VAR8(EN54) and any equipment or device that has been configured at the VAR8(EN54) and that is critical to Voice Alarm functions will also trigger a system fault.
  • Page 6 The rack and field cabling should be as described in the diagram shown in Figure 3 (page 17). 4. Audio and data network cabling (on VAR8(EN54) with Network Interface Card): Twisted pairs with overall foil screen. Recommended type: FS cables 2407 POFYH The Upstream side of the network connection is isolated RS485.
  • Page 7 For EMC compliance, wiring should be according to the diagrams shown in Figure 2 (page 16) and Figure 3 (page 17). If installing a VAR8(EN54) with a Network Interface Card, note that the Network Interface Card is configured, by default, for network operation using 3 audio network channels. If stand-alone operation or 1 or 2 channel only network operation is required, set the links on the Router board as described in “Link Settings for Stand-Alone, 1 or 2-Channel Network Operation”...
  • Page 8 If the ANIC8 Network Interface Card is fitted, then connect the network cabling. The upper control port, A/B outputs, and network interface connectors may not be present, depending on the VAR8(EN54) variant being installed. Figure 1 Rear panel connectors...
  • Page 9 Link Settings for Stand-Alone, 1 or 2-Channel Network Operation This procedure is required when the VAR8(EN54) is fitted with a VAR-ANIC Network Interface Card, and stand-alone operation, or 1 or 2 network channel only operation is required instead of the default 3-channel network operation.

  • Page 10: Connections

    VAR8(EN54) and Variants – Installation Guide Connections 1 FAULT 2 FAULT 3 FAULT SCRN BUS1+ BUS1- BUS2+ BUS2- BUS3+ BUS3- DOWN / UP V+NB BUS1+ BUS1- BUS2+ BUS2- BUS3+ OUT8-B+ BUS3- OUT8-B- 1 FAULT OUT7-B+ 2 FAULT OUT7-B- 3 FAULT...
  • Page 11 VAR8(EN54) and Variants – Installation Guide 1 FAULT 2 FAULT 3 FAULT SCRN BUS1+ BUS1- BUS2+ BUS2- BUS3+ BUS3- DOWN / UP V+NB BUS1+ BUS1- BUS2+ BUS2- BUS3+ OUT8-B+ BUS3- OUT8-B- 1 FAULT OUT7-B+ 2 FAULT OUT7-B- 3 FAULT V+NB...
  • Page 12 VAR8(EN54) and Variants – Installation Guide Connectors NETWORK DOWNSTREAM (optional) Signal Description SCRN Do not connect to cable screen; see Figure 2 (page 16). Data Bus+ (EIA RS485 38400 baud) Data Bus− (EIA RS485 38400 baud) BUS1+ Audio bus Loop 1 (+20 dBu analogue audio) BUS1−...
  • Page 13 VAR8(EN54) and Variants – Installation Guide INPUT 3 to 8: Balanced audio inputs Signal Description Microphone Data+ (EIA RS485 19200 baud) Microphone Data− (EIA RS485 19200 baud) 0 V supply Balanced audio input +VE / Level: 0 dBu / Max. Sensitivity: −20 dBu / Impedance: 10 kΩ...
  • Page 14 As above but –VE connection / Built-in resistor to suit voltages of +12 to +40 V Contacts 1 to 10: EOL resistors can be internally fitted (factory fit option) Contacts 11 to 20: only on VAR8(EN54) fitted with VAR8-EXP Interface Expansion Board Cabling connector: 10-way terminal block (METWAY 120A11110)
  • Page 15 VAR8(EN54) and Variants – Installation Guide CAN: Controller Area Network Bus Signal Description 0 V Reference CANL Controller Area Network (Low) CANH Controller Area Network (High) Cabling connector: 3-way terminal block (METWAY 120A11103) FAULT RELAY Signal Description Volt free contact – Normally Open Relay Common Volt free contact –...
  • Page 16 VAR8(EN54) and Variants – Installation Guide Connection Diagrams Figure 2 Network Termination DIN RAIL VAR8(EN54) FIELD CABLING RACK CABLING SCREEN BUS1+ NETWORK BUS1- DOWNSTREAM BUS2+ BUS2- BUS3+ BUS3- 100 nF 100 V (Reference: RS 211-5340) BUS1+ NETWORK BUS1- UPSTREAM BUS2+...
  • Page 17 VAR8(EN54) and Variants – Installation Guide Figure 3 Audio I/O and Other Signal Termination FIELD WIRING RACK SCREEN TAIL < 3 cm EARTH TERMINAL BONDED TO THE DIN RAIL DIN RAIL SCREEN TAIL < 3 cm DIN RAIL ELECTRONICALLY BONDED TO THE RACK...

  • Page 18: Mechanical Dimensions

    VAR8(EN54) and Variants – Installation Guide Mechanical Dimensions 88 mm 436 mm 20 mm DSP Audio Router power FAULT FAULT SELECT BACK ACCEPT CLEAR voice alarm system fault LAMP AUDIO DEFAULT TEST fault approx 483 mm THIRD ANGLE PROJECTION ASL recommend a rear clearance depth of at least 110 mm for cabling.

  • Page 19: Safety And Precautions

    VAR8(EN54) and Variants – Installation Guide Safety and Precautions Environmental Unpacking and Handling The temperature and humidity ranges shown in the The equipment should be unpacked and inspected specifications for this product must not be exceeded. immediately on receipt. If damage has occurred please...

  • Page 20: Service And Warranty

    Service and Warranty Name and Address of Authorised Distributor: This product carries a full warranty. For full details of warranty and service agreements, please contact the Authorised Distributor who supplied the product to you. Exclusions The warranty does NOT cover: Customer misuse, including incorrect installation.