Siemens SIWAREX WT241 - Default Chapter; Table of Contents

SIWAREX WT241
Manual, 05/2015, A5E36046748A 3
Table of content
1 Introduction ............................................................................................................................................. 9
1.1 Purpose of the manual .............................................................................................................. 9
1.2 Basic knowledge required ......................................................................................................... 9
1.3 Manual - range of validity .......................................................................................................... 9
1.4 Technical support .................................................................................................................... 10
2 Safety notes .......................................................................................................................................... 13
2.1 General safety instructions ..................................................................................................... 13
3 Description ............................................................................................................................................ 15
3.1 Product overview .................................................................................................................... 15
3.2 Area of application .................................................................................................................. 15
3.3 SIWAREX WT241 product overview ...................................................................................... 16
3.4 Customer benefits ................................................................................................................... 17
3.5 Scope of delivery .................................................................................................................... 17
4 Application planning .............................................................................................................................. 19
4.1 Functions ................................................................................................................................ 19
5 Installation ............................................................................................................................................ 20
5.1 Installation guideline ............................................................................................................... 20
5.2 EMC-compliant setup.............................................................................................................. 21
5.2.1 Introduction ............................................................................................................................. 21
5.2.2 Possible effects of interference ............................................................................................... 21
5.2.3 Coupling mechanisms............................................................................................................. 21
5.2.4 Five basic rules for securing EMC .......................................................................................... 21
6 Connecting ........................................................................................................................................... 23
6.1 Overview ................................................................................................................................. 23
6.2 Connecting to main voltage .................................................................................................... 26
6.3 Connecting the load cells ........................................................................................................ 28
6.3.1 Connection of an MLC / MBS / MUS / MCS / MSI / MMI belt scale to WP241 ...................... 30
6.3.2 Connection of any scales or load cells ................................................................................... 32
6.4 Shield connection .................................................................................................................... 35
6.5 Connection of digital outputs (4 x DQ) .................................................................................... 36
6.6 Connection of digital inputs (4 x DI) ........................................................................................ 37
6.7 Connection of the analog output (1 x AQ) .............................................................................. 38
6.8 Connection of RS485 serial interface ..................................................................................... 38
6.9 Connection of a speed sensor ................................................................................................ 39
6.9.1 RBSS / WS100 speed sensor on WT241 ............................................................................... 39
6.9.2 TASS speed sensor on WT241 .............................................................................................. 40