Beckhoff EL1904 User Manual

Operating instructions for EL1904 TwinSAFE input terminal with 4 fail-safe inputs Version: 1.5.1 Date: 30.01.2015

System description 8 EL1904 2.1.1 Bus Coupler Mechanical data Mechanical data Bus Coupler Material polycarbonate, polyamide (PA6.6). Dimensions (

System description EL1904 9 2.1.2 Bus Terminals Mechanical data Mechanical data Bus Terminal Material polycarbonate, polyamide (PA6.6). Dimension

System description 10 EL1904 2.2 TwinSAFE 2.2.1 The I/O construction kit is extended safely With the TwinSAFE Terminals, Beckhoff offers the opti

System description EL1904 11 TwinSAFE digital input (EL1904) and output terminal (EL2904)  All current safety sensors can be connected  Operat

Product description 12 EL1904 3 Product description 3.1 General description EL1904 - TwinSAFE digital four channel input terminal The EL1904 is a

Product description EL1904 13 3.2 Intended use WARNING Caution - Risk of injury! TwinSAFE terminals may only be used for the purposes described b

Product description 14 EL1904 3.3 Technical data Product designation EL1904 Number of inputs 4 Status display 4 (one green LED per input) React

Product description EL1904 15 Product designation EL1904 Permissible installation position see section The TwinSAFE terminals must be installed

Product description 16 EL1904 3.6 Dimensions Width: 12 mm (side-by-side installation) Height: 100 mm Depth 68 mm

Product description EL1904 17 3.7 Block diagram EL1904 24V0VUReadinginputvoltageContactTestinput4times,one fo reachchannelCurre n tlimitTwi

Operation 18 EL1904 4 Operation Please ensure that the TwinSAFE terminals are only transported, stored and operated under the specified conditions

Operation EL1904 19 4.1.3 Mechanical installation DANGER Serious risk of injury! Bring the bus system into a safe, de-energized state before star

Operation 20 EL1904 4.1.3.3 Example configuration for temperature measurement The example configuration for the temperature measurement consist

Operation EL1904 21 4.1.3.4 Mounting rail installation Installation The Bus Couplers and Bus Terminals are attached to commercially available 35

Operation 22 EL1904 Removal 1. Carefully pull the orange-colored lug approximately 1 cm out of the terminal to be disassembled, until it protrud

Operation EL1904 23 PE power contact The power contact labelled PE can be used as a protective earth. For safety reasons this contact mates first

Operation 24 EL1904 4.1.4.3 Wiring Up to eight connections enable the connection of solid or finely stranded cables to the Bus Terminals. The term

Operation EL1904 25 EL1904 pin assignment Terminal point Input Signal 1 1 Input 1+ 2 Input 1- 3 3 Input 3+ 4 Input 3- 5 2 Input 2+ 6 Input 2-

Operation 26 EL1904 Permitted cable length When connecting a single switching contact via its own continuous cabling (or via a non-metallic sheat

Operation EL1904 27 4.1.5 Tested devices The following list contains devices that were tested together with the EL1904 TwinSAFE terminal. The resu

Table of contents EL1904 1 Table of contents 1 Foreword 31.1 Notes on the manual 31.1.1 Disclaimer 31.1.2 Brands 31.1.3 Patents 31.1

Operation 28 EL1904 4.2 Operation in potentially explosive atmospheres (ATEX) 4.2.1 Special conditions WARNING Observe the special conditions for

Operation EL1904 29 4.2.2 Identification Beckhoff fieldbus components that are certified for use in potentially explosive atmospheres bear one of

Operation 30 EL1904 4.3 Configuration of the EL1904 in the TwinCAT System Manager CAUTION Do not change CoE objects! Do not change any of the CoE

Operation EL1904 31 4.3.4 Address settings on the TwinSAFE terminals Set the TwinSAFE address for the terminal using the two dip switches (with

Operation 32 EL1904 4.3.5 Entering a TwinSAFE address and parameters in the System Manager The TwinSAFE address set at the DIP switch must also b

Operation EL1904 33 Parameter overview PrmName Meaning Values FSoE_Address DIP switch address 1 to 65535 Operating Mode Digital / standstil

Operation 34 EL1904 4.3.5.1 EL1904 configuration for light barriers, light grids, light curtains etc. The EL1904 also supports direct connection

Operation EL1904 35 4.4 Diagnostics 4.4.1 Diagnostic LEDs The LEDs Diag 1 to Diag 4 display diagnostic information for the EL1904. 4.4.1.1 Diag

Operation 36 EL1904 4.4.1.3 Diag 3 (red) and Diag 4 (red) If the Diag 3 LED is lit, the Diag 4 LED indicates internal terminal errors. Flashing C

Operation EL1904 37 4.4.2 Diagnostic objects CAUTION Do not change CoE objects! Do not change any of the CoE objects in the TwinSAFE terminals! A

Table of contents 2 EL1904 4 Operation 184.1 Installation 184.1.1 Safety instructions 184.1.2 Transport / storage 184.1.3 Mechanical in

Operation 38 EL1904 4.5 Maintenance The TwinSAFE terminals are maintenance-free! WARNING Observe the specified environmental conditions! Please e

Operation EL1904 39 4.6 Decommissioning DANGER Serious risk of injury! Bring the bus system into a safe, de-energized state before starting disas

Appendix 40 EL1904 5 Appendix 5.1 Beckhoff Support and Service Beckhoff and their partners around the world offer comprehensive support and servic

Appendix EL1904 41 5.2 Certificates

Appendix 42 EL1904

Foreword EL1904 3 1 Foreword 1.1 Notes on the manual This description is only intended for the use of trained specialists in control and automatio

Foreword 4 EL1904 1.2 Safety instructions 1.2.1 Delivery state All the components are supplied in particular hardware and software configurations

Foreword EL1904 5 1.2.3 Description of safety symbols The following safety symbols are used in these operating instructions. They are intended to

Foreword 6 EL1904 1.2.5 Documentation issue status Version Comment 1.5.1  Certificate updated 1.5.0  Company address amended  Safety par

System description EL1904 7 2 System description 2.1 The Beckhoff Bus Terminal system The Beckhoff Bus Terminal system is used for decentralized c