SIL COM-3B User Manual

Signal isolator

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SIGNAL ISOLATOR
Type COM-3B
User Guide
Document Ref: udcom-3b.vp Rev 0

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Summary of Contents for SIL COM-3B

  • Page 1 SIGNAL ISOLATOR Type COM-3B User Guide Document Ref: udcom-3b.vp Rev 0...
  • Page 2: Table Of Contents

    Contents Safety instructions / warnings ..1 Installation ....2 Dimensions & fixing ....2 Wiring and connections .
  • Page 3: Safety Instructions / Warnings

    WARNING! It is important that this guide is read and fully understood before attempting installation or commissioning of the instrument. Instructions appearing in this document, and current safety legislation, must be observed to ensure personal safety and to prevent damage to the instrument or equipment connected to it. The instrument should be installed, commissioned and operated only by suitably qualified and authorised personnel.
  • Page 4: Installation

    Installation Dimensions WARNING: Installation should be conducted by appropriately skilled and Mounting authorised personnel only. Rail WARNING: Ensure that power to the compact instrument is switched off and signal wiring isolated from hazardous voltages power before carrying out installation. WARNING: The instrument must be span installed in an enclosure that provides adequate protection against electric...
  • Page 5: Wiring And Connections

    2.5mm power supply wiring Access to Terminals WARNING: Ensure that power to the The COM-3B may be powered from a DC instrument is switched off and signal supply in the range 11-32 VDC, 1.6W. wiring isolated from hazardous voltages...
  • Page 6: Input And Output Connections

    Input connections Output connections 0 - 5 Volts and 1 - 5 Volts Connections for 0-10mA, 0-20mA, 4-20mA, 0-10V and 2-10V. 5 Volts 0 - 10mA Output connections - current sink WARNING: Current sink output is available only to order. It is not available on the standard unit.
  • Page 7: Input And Output Configuration

    Input and output configuration Gain access to the switches by removing Refer to the table and set switches SW2-1 the cover on the top of the unit; a slot is and SW2-2 as appropriate for the input provided to insert a suitable lever such as signal i.e.
  • Page 8: Specification

    Specification GENERAL NOTE ISOLATION The standard unit has field programmable The input and output are isolated from inputs and outputs which are detailed each other and from the power supply. below. Other ranges for the Compact Maximum voltage 250 V RMS or 400V DC Isolator may be available, please contact Resistance between any port (input, output or power supply) ³...

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