Pepperl+Fuchs K-System Manual
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Pepperl+Fuchs K-System Manual

Pepperl+Fuchs K-System Manual

Isolated barriers
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K-System
Isolated Barriers
Manual
ISO9001

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Summary of Contents for Pepperl+Fuchs K-System

  • Page 1 K-System Isolated Barriers Manual ISO9001...
  • Page 2 Phone: +49 621 776 - 0 E-mail: info@de.pepperl-fuchs.com North American Headquarters Pepperl+Fuchs Inc. 1600 Enterprise Parkway Twinsburg, Ohio 44087 Phone: +1 330 425-3555 E-mail: sales@us.pepperl-fuchs.com Asia Headquarters Pepperl+Fuchs Pte. Ltd. P+F Building 18 Ayer Rajah Crescent Singapore 139942 Phone: +65 6779-9091 E-mail: sales@sg.pepperl-fuchs.com https://www.pepperl-fuchs.com...

  • Page 3: Table Of Contents

    K-System – Isolated Barriers Contents Introduction ............5 Content of this Document .
  • Page 4 K-System – Isolated Barriers Contents...

  • Page 5: Introduction

    K-System – Isolated Barriers Introduction Introduction Content of this Document This document contains information that you need in order to use your product throughout the applicable stages of the product life cycle. These can include the following: • Product identification •...

  • Page 6: Target Group, Personnel

    K-System – Isolated Barriers Introduction Target Group, Personnel Responsibility for planning, assembly, commissioning, operation, maintenance, and dismounting lies with the plant operator. Only appropriately trained and qualified personnel may carry out mounting, installation, commissioning, operation, maintenance, and dismounting of the product. The personnel must have read and understood the instruction manual and the further documentation.

  • Page 7: Product Specifications

    Figure 2.1 Function – isolating, amplifying and transforming signals The K-System consists of wide range of isolated barriers suitable for mounting on 35 mm DIN mounting rail. K-System is easy to specify, integrate and expand. Our extensive line of intrinsic safe isolators for hazardous location applications contains over 150 different models.

  • Page 8: Housing Styles

    K-System – Isolated Barriers Product Specifications Housing Styles Depending on the functionality and application, K-System devices have 3 different housing widths: • KC devices with 12.5 mm width • KF devices with 20 mm width • KF devices or KH devices with 40 mm width The 3 housing widths versions have the same system characteristics.
  • Page 9 K-System – Isolated Barriers Product Specifications KF Device Housing KFD2-ER-Ex1.W.LB OUT CHK PWR sens. Figure 2.4 KF device housing (20 mm) Used for high channel density • Compact 20 mm housing • Packing density from 5 mm per channel KFD2-WAC2- Ex1.D...
  • Page 10 K-System – Isolated Barriers Product Specifications KH Device Housing KHA6-SH- CHK PWR Figure 2.6 KH device housing (40 mm)

  • Page 11: Terminals

    K-System – Isolated Barriers Product Specifications Terminals 2.3.1 Removable Terminal Blocks The removable terminal blocks simplify connection and control cabinet assembly. The terminal blocks offer space for the connection of leads with core cross-sections of up to 2.5 mm (14 AWG). The terminal blocks are coded with red coding pins so misconnection of terminal blocks are eliminated.
  • Page 12 K-System – Isolated Barriers Product Specifications Protection against direct contact The removable terminal blocks have different heights: • Height 15 mm (1), (2), (3): These terminal blocks are used in applications that have rated voltages lower than 50 V AC. The insulation of the removable terminal blocks provides protection against direct contact.
  • Page 13 K-System – Isolated Barriers Product Specifications 2.3.2 Terminal Designation Note See corresponding datasheets for precise terminal designation. 9 10 Figure 2.9 KC device housing (12.5 mm) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15...
  • Page 14 K-System – Isolated Barriers Product Specifications 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Figure 2.11 KF device housing (40 mm) Figure 2.12 KH device housing (40 mm)

  • Page 15: Color Identification

    K-System – Isolated Barriers Product Specifications Color Identification The color identification of the devices has the following meaning: • Green (1) indicates devices with DC power supply. • Black (2) indicates devices with AC power supply. • Gray (3) indicates devices with AC/DC wide range supply of •...

  • Page 16: Status Indicators Of The Isolators

    K-System – Isolated Barriers Product Specifications Status Indicators of the Isolators LEDs are often used on isolators to indicate different statuses (e. g. for power supply, device failure, status messages, binary switching states). Standard LED colors are assigned to the status display according to NAMUR NE44.

  • Page 17: Operating Elements

    K-System – Isolated Barriers Product Specifications Operating Elements Many devices of the K-System can be adapted to different applications. Depending on the device different operating elements are available for this configuration. These operating elements are: DIP switches Via DIP switches you can configure the basic functions of the device.
  • Page 18 K-System – Isolated Barriers Product Specifications Keypad and LC display Via keypad you can configure the settings of the device parameters. Measured values, fault signals and configuration settings are displayed on the LC display. Figure 2.18 LC display Keypad Programming sockets for the connection of a PC with parameterization...

  • Page 19: Label Carrier

    K-System – Isolated Barriers Product Specifications Label Carrier The isolated barriers are fitted with a label carrier ex works for individual identification. Figure 2.20 Label carrier on the front Label carrier on KC devices for 22 mm x 9 mm labels Label carrier on KF devices for 22 mm x 16.5 mm labels...

  • Page 20: Power Rail

    K-System – Isolated Barriers Product Specifications Power Rail To reduce wiring and installation costs, Power Rail is the optimum solution. The Power Rail is a DIN mounting rail with plastic insert, that delivers power to the devices (24 V DC) and transfers bus signals and a collective error message.

  • Page 21: Mounting And Installation

    K-System – Isolated Barriers Mounting and Installation Mounting and Installation Danger! Explosion hazard from damaged electronic components Premature wear of electronic components in a device that was previously used in a general electrical installation can cause sparks that can ignite the surrounding potentially explosive atmosphere.
  • Page 22 K-System – Isolated Barriers Mounting and Installation Mounting in the Non-Hazardous Area Mounting the Isolated Barrier Snap the device onto the DIN mounting rail in a vertical downward movement. See following figure. Mounting in Areas that Require the Equipment Protection Level Gc...
  • Page 23 K-System – Isolated Barriers Mounting and Installation Vertical and horizontal mounting Low heat dissipation allows vertical or horizontal mounting without separation distance. Operation is guaranteed over the full temperature range of the system in any mounting direction and without restriction.
  • Page 24 K-System – Isolated Barriers Mounting and Installation Mounting Conditions for Operating the Device at Higher Ambient Temperature Certain devices with a maximum allowable ambient temperature of 60 °C (140 °F) can be operated at ambient temperatures up to 70 °C (158 °F) if mounted horizontally.
  • Page 25 K-System – Isolated Barriers Mounting and Installation ≥10 ≥10 14 15 14 15 14 15 Figure 3.5 Horizontal mounting of KF devices with 20 mm housing width (single device mounting) ≥15 ≥15 Figure 3.6 Horizontal mounting of KF devices with 40 mm housing width (single device mounting)

  • Page 26: Connection

    K-System – Isolated Barriers Mounting and Installation Mounting the Terminal Blocks Danger! Danger to life from electric shock Working on live parts at voltages higher than 50 V AC or 120 V DC can result in electric shock. 1. De-energize the device.
  • Page 27 K-System – Isolated Barriers Mounting and Installation Danger! Explosion hazard from exposed conductors Exposed conductors of inadequately attached cables can cause sparks that can ignite the surrounding potentially explosive atmosphere. When installing the device ensure that the cables are adequately attached.
  • Page 28 K-System – Isolated Barriers Mounting and Installation 3.2.2 Control Side Connection Connection of Devices with Relay Output Danger! Danger to life from electric shock Working on live parts at voltages higher than 50 V AC or 120 V DC can result in electric shock.
  • Page 29 K-System – Isolated Barriers Mounting and Installation 3.2.3 Power Supply Connection The devices are available with different supply voltages. • 24 V DC power supply • 115 V AC or 230 V AC power supply for applications where direct current is not available •...
  • Page 30 K-System – Isolated Barriers Mounting and Installation 14 15 14 15 14 15 14 15 24 V DC Figure 3.7 Conventional installation DIN mounting rail 3.2.3.2 Power Supply with Power Rail For devices with a 24 V DC supply voltage, use of the Power Rail reduces wiring and installation costs.
  • Page 31 K-System – Isolated Barriers Mounting and Installation Supply with Power Feed Module Danger! Danger to life from electric shock Absent or insufficient insulation can result in electric shock. Only connect supplies that provide protection against electric shock to power feed modules (e.
  • Page 32 K-System – Isolated Barriers Mounting and Installation Redundant Supply Two power supplies or a redundant power supply with two power feed modules offer a high degree of availability. If a power supply or the fuse in a power feed module fails, the redundant supply continues to energize the isolators through their Power Rail connection.
  • Page 33 K-System – Isolated Barriers Mounting and Installation Direct Supply with Power Supply A complete power solution for a K-System installation is possible by using the following power supplies: • KFA6-STR-1.24.4 from 115/230 V AC to 24 V DC/4 A or •...
  • Page 34 K-System – Isolated Barriers Mounting and Installation 3.2.4 Establishing the Communication via Software Danger! Explosion hazard from sparking when plugging or pulling the adapter Plugging or pulling the adapter in a potentially explosive atmosphere can cause sparks that can ignite the surrounding atmosphere.

  • Page 35: Configuration

    K-System – Isolated Barriers Configuration Configuration Danger! Explosion hazard from sparking when using operating elements Using operating elements in a potentially explosive atmosphere can cause sparks that can ignite the surrounding atmosphere. Only use operating elements (e. g., switch, slider, button, etc.) in the absence of a potentially explosive atmosphere.

  • Page 36: Operation

    K-System – Isolated Barriers Operation Operation Danger! Explosion hazard from live wiring of non-intrinsically safe circuits If you connect or disconnect energized non-intrinsically safe circuits in a potentially explosive atmosphere, sparks can ignite the surrounding atmosphere. Only connect or disconnect energized non-intrinsically safe circuits in the absence of a potentially explosive atmosphere.

  • Page 37: Fault Output

    K-System – Isolated Barriers Operation Fault Output Depending on the configuration of the devices, these faults are transmitted to the outputs at the control side and in separate fault indication outputs as additional information. • Red fault indication LEDs on the isolator •...
  • Page 38 K-System – Isolated Barriers Operation Collective Error Message on Power Rail The fault can also be output via the Power Rail as a collective error message (FAULT). 24 V DC FAULT 24 V DC Power Rail Figure 5.3 The collective error message enables line fault detection of many isolators without requiring additional wiring.

  • Page 39: Current And Voltage Standard Signals

    K-System – Isolated Barriers Operation Current and Voltage Standard Signals The following signals have established themselves as the standard: • the 0/4 mA to 20 mA current signal • the 0/2 V to 10 V voltage signal • the 0/1 V to 5 V voltage signal Analog sensor signals and digital frequency signals are converted into one of the two standard signals for processing in a wide variety of measurement, regulatory and control tasks.

  • Page 40: Dismounting, Maintenance, And Repair

    • The device must not be repaired, changed or manipulated. • If there is a defect, always replace the device with an original device from Pepperl+Fuchs. Danger! Danger to life from electric shock Working on live parts at voltages higher than 50 V AC or 120 V DC can result in electric shock.

  • Page 41: Dismounting The Isolated Barrier

    K-System – Isolated Barriers Dismounting, Maintenance, and Repair Dismounting the Isolated Barrier Dismounting the Isolated Barrier Use for dismounting of the device a slotted screwdriver Insert the screwdriver (4) into the groove of the red mounting slider (3). Turn the screwdriver (4) in the groove until the red mounting slider (3) springs back.

  • Page 42: Technical Specifications

    K-System – Isolated Barriers Technical Specifications Technical Specifications Technical Data Electrical Data Non-Hazardous Area Signals or Control Circuit Signals • 0/4 mA to 20 mA signal level according to NE 43 • 0/2 V to 10 V signal level according to NE 43 •...
  • Page 43 K-System – Isolated Barriers Technical Specifications • LEDs according to NAMUR NE 44 • Software according to NAMUR NE 53 • Switch-on pulse suppression • K*D2 devices: • Supply voltage 20 V DC to 30 V DC via Power Rail or supply terminals •...
  • Page 44 K-System – Isolated Barriers Technical Specifications Connection • KH* devices: self-opening terminals for max. core diameter of 1 x 2.5 mm (14 AWG) • KF* and KC* devices: removable connector with integrated self opening terminals for leads of up to a max. of 1 x 2.5 mm (14 AWG) •...

  • Page 45: Model Number Description

    K-System – Isolated Barriers Technical Specifications Model Number Description - Ex 9 Special function, if available 8 Number of channels 7 Isolated Barriers, not applicable to Signal Conditioners 6 Device generation (2 to X) 5 Device function 4 Level of power supply...
  • Page 46 K-System – Isolated Barriers Technical Specifications Position 5 Trip amplifier for current/voltage Universal trip amplifier Temperature converter with trip value HART Loop Converter HART Multiplexer Master HART Multiplexer Slave Place holder isolator Potentiometer converter Converter for resistors Solenoid driver Relay module...

  • Page 47: Dimensions

    K-System – Isolated Barriers Technical Specifications Dimensions 7.3.1 Housing Types Isolated Barriers K-System Housing Type A2 12,7 mm 114 mm (4.49'') (0.5") Figure 7.1 Number of terminal blocks max. 5 • Dimension drawing with screw terminals • When using screw terminals with test sockets the device is 124 mm (4.9 in) in height.
  • Page 48 K-System – Isolated Barriers Technical Specifications Housing Type B2 20 mm 115 mm Figure 7.3 Number of terminal blocks maximum 5 • Dimension drawing with screw terminals • When using screw terminals with test sockets the device is 124 mm (4.9 in) in height.
  • Page 49 K-System – Isolated Barriers Technical Specifications Housing Type C2 40 mm (1.6 inch) 115 mm (4.5 inch) Figure 7.5 Number of terminal blocks max. 10 • Dimension drawing with screw terminals • When using screw terminals with test sockets the device is 124 mm (4.9 inch) in height.
  • Page 50 K-System – Isolated Barriers Technical Specifications Housing Type E 40 mm (1.6'') 115 mm (4.5'') Figure 7.7 Housing Power Supply 4 A 99 mm (3.9'') 88 mm (3.46'') 140 mm (5.51'') Primarily Secondary PE L1 N Figure 7.8...
  • Page 51 K-System – Isolated Barriers Notes...
  • Page 52 Pepperl+Fuchs Quality Download our latest policy here: www.pepperl-fuchs.com/quality www.pepperl-fuchs.com © Pepperl+Fuchs · Subject to modifications Printed in Germany / DOCT-0187U...

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