Contents
1 Preface....................................................................................................................................1-1
1.1 PURPOSE OF THE MANUAL......................................................................................................... 1-1
1.2 REQUIRED BASIC KNOWLEDGE .................................................................................................. 1-1
1.3 SCOPE OF THIS MANUAL ............................................................................................................ 1-1
1.4 FURTHER SUPPORT .................................................................................................................... 1-2
2 Scope of delivery, compatibility ..........................................................................................2-3
2.1 SCOPE OF DELIVERY .................................................................................................................. 2-3
2.2 COMPATIBILITY......................................................................................................................... 2-4
3 Product overview ..................................................................................................................3-5
3.1 GENERAL INFORMATION ........................................................................................................... 3-5
3.2 AREA OF APPLICATION .............................................................................................................. 3-5
3.3 DESIGN...................................................................................................................................... 3-6
3.4 FUNCTION ................................................................................................................................. 3-7
3.5 SYSTEM INTEGRATION IN SIMATIC ......................................................................................... 3-8
3.6 SETTING THE SCALE WITH SIWATOOL U................................................................................ 3-9 U
4 Hardware configuration and installation ..........................................................................4-10
4.1 CONFIGURING THE HARDWARE IN SIMATIC...........................................................................4-10
4.2 EMC-COMPLIANT DESIGN........................................................................................................4-11
4.2.1 Definition: EMC ..............................................................................................................4-11
4.2.2 Introduction .....................................................................................................................4-11
4.2.3 Potential interference ......................................................................................................4-11
4.2.4 Coupling mechanisms......................................................................................................4-12
4.2.5 Five basic rules for ensuring EMC..................................................................................4-12
4.3 INSTALLATION ON THE PROFILE RAIL .......................................................................................4-13
4.4 CONNECTION AND WIRING .......................................................................................................4-14
4.4.1 Connection areas of SIWAREX U....................................................................................4-14 U
4.4.2 Shield connection.............................................................................................................4-14
4.4.3 Connections at the front connector..................................................................................4-15
4.4.4 Connection of the 24 V power supply..............................................................................4-16
4.4.5 Load cell connection........................................................................................................4-16
4.4.6 Connection of the Siebert digital remote display.............................................................4-21
4.4.7 Connection of the PC for SIWATOOL U.........................................................................4-23
4.5 PREPARING FOR OPERATION .....................................................................................................4-24
4.6 USAGE IN EX ZONES .................................................................................................................4-24
5 Weighing functions.............................................................................................................5-26
5.1 GENERAL INFORMATION ..........................................................................................................5-26
5.2 DR3 ADJUSTMENT PARAMETERS CHANNEL 1, DR 4 ADJUSTMENT PARAMETERS CHANNEL 2..5-26
5.2.1 DR3/4 - Zero set value.....................................................................................................5-27
5.2.2 DR3/4 – Characteristic value range LC, low-pass filter, mean value filter, setting data5-27
5.2.3 DR3/4 - Adjustment digits for the adjustment zero, adjustment digits and
adjustment weight............................................................................................................................5-30
5.3 THEORETICAL ADJUSTMENT.....................................................................................................5-32
5.4 DR 5 GENERAL PARAMETERS...................................................................................................5-33
5.4.1 DR 5 – module number....................................................................................................5-34
5.4.2 DR 5 – port parameters...................................................................................................5-34
5.4.3 DR 5 – display model.......................................................................................................5-34
5.4.4 DR 5 – assignment LED1, LED 2....................................................................................5-35
5.5 DR 6 OUTPUT VALUES FOR THE REMOTE DISPLAY. ..................................................................5-35
5.5.1 DR 6 – value 1, value 2 for display .................................................................................5-35
5.6 DR 11 COMMANDS FOR CHANNEL 1, DR 12 COMMANDS FOR CHANNEL 2 ................................5-36
5.7 DR 21 LIMIT VALUES CHANNEL 1, DR 22 LIMIT VALUES CHANNEL 2 .......................................5-36
5.7.1 DR 21/22 – switch-on weight limit value 1......................................................................5-36
5.7.2 DR 21/22 – cut-off weight limit value 1...........................................................................5-37
5.7.3 DR 21/22 – switch-on weight limit value 2......................................................................5-37
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