Siemens SITRANS WS300 Operating Instructions Manual

Operating instructions

SITRANS WS300

Speed Sensors

06/2018Edition

SITRANS

www.siemens.com/processautomation

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Speed sensors
SITRANS WS300

Operating Instructions

06/2018

A5E4505935

-AA

Introduction

1

Description

2

Installing/mounting

3

Connecting

4

Service and maintenance

5

Technical data

6

Technical support

7

Certificates

8

Siemens AG
Division Process Industries and Drives
Postfach 48 48
90026 NÜRNBERG
GERMANY

Document order number: A5E4505935

Ⓟ

06/2018 Subject to change

Copyright © Siemens AG 2018.
All rights reserved

Legal information

Warning notice system

This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent
damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert
symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are
graded according to the degree of danger.

DANGER

indicates that death or severe personal injury will result if proper precautions are not taken.

WARNING

indicates that death or severe personal injury may result if proper precautions are not taken.

CAUTION

indicates that minor personal injury can result if proper precautions are not taken.

NOTICE

indicates that property damage can result if proper precautions are not taken.

If more than one degree of danger is present, the warning notice representing the highest degree of danger will
be used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to
property damage.

Qualified Personnel

The product/system described in this documentation may be operated only by

personnel qualified

for the specific
task in accordance with the relevant documentation, in particular its warning notices and safety instructions.
Qualified personnel are those who, based on their training and experience, are capable of identifying risks and
avoiding potential hazards when working with these products/systems.

Proper use of Siemens products

Note the following:

WARNING

Siemens products may only be used for the applications described in the catalog and in the relevant technical

documentation. If products and components from other manufacturers are used, these must be recommended
or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and
maintenance are required to ensure that the products operate safely and without any problems. The permissible

ambient conditions must be complied with. The information in the relevant documentation must be observed.

Trademarks

All names identified by ® are registered trademarks of Siemens AG. The remaining trademarks in this publication
may be trademarks whose use by third parties for their own purposes could violate the rights of the owner.

Disclaimer of Liability

We have reviewed the contents of this publication to ensure consistency with the hardware and software
described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the
information in this publication is reviewed regularly and any necessary corrections are included in subsequent
editions.

SITRANS WS300
Operating Instructions, 06/2018, A5E4505935-AA

3

Table of contents

1 Introduction ................................................................................................................................................ 5

1.1 Operating instructions scope .................................................................................................... 5

1.2 Purpose of this documentation ................................................................................................. 5

1.3 Industrial Use Note ................................................................................................................... 5

2 Description ................................................................................................................................................. 7

2.1 SITRANS WS300 speed sensor overview................................................................................ 7

3 Installing/mounting ..................................................................................................................................... 9

3.1 Installation note ......................................................................................................................... 9

3.2 Dimension drawings.................................................................................................................. 9

3.3 Mounting ................................................................................................................................. 10

3.4 Mounting to a tail pulley .......................................................................................................... 11

3.5 Mounting to a bend or snub pulley .......................................................................................... 13

3.6 Mounting using optional threaded shaft coupling ................................................................... 15

3.7 General installation steps ....................................................................................................... 16

3.8 Hazardous area installations .................................................................................................. 18

3.8.1 Product nameplates ................................................................................................................ 18

3.8.2 Instructions specific to hazardous area installation ................................................................ 19

4 Connecting .............................................................................................................................................. 21

4.1 Interconnection ....................................................................................................................... 21

4.2 Terminals (standard version) .................................................................................................. 23

4.2.1 Terminal connections to Siemens Milltronics integrators ....................................................... 23

4.2.2 Terminal connections to SIWAREX FTC integrator ................................................................ 24

4.2.3 Terminal connections to WL241 ............................................................................................. 24

4.3 Terminals (IS version) ............................................................................................................. 25

4.3.1 Terminal connections to Siemens Milltronics integrators ....................................................... 25

4.3.2 Terminal connections to SIWAREX FTC integrator ................................................................ 25

4.3.3 Terminal connections to WP241 ............................................................................................. 26

5 Service and maintenance ........................................................................................................................ 27

5.1 Inspection ................................................................................................................................ 27

5.2 Recommended spare parts .................................................................................................... 27

Table of contents

SITRANS WS300

4 Operating Instructions, 06/2018, A5E4505935-AA

6 Technical data ......................................................................................................................................... 29

6.1 Power ..................................................................................................................................... 29

6.2 Ambient temperature ............................................................................................................. 29

6.3 Inputs ..................................................................................................................................... 29

6.4 Outputs ................................................................................................................................... 29

6.5 Construction ........................................................................................................................... 30

6.6 Approvals ............................................................................................................................... 31

7 Technical support .................................................................................................................................... 33

7.1 Technical support ................................................................................................................... 33

8 Certificates ............................................................................................................................................... 35

8.1 Certificates ............................................................................................................................. 35

SITRANS WS300
Operating Instructions, 06/2018, A5E4505935-AA

5

1

1.1

Operating instructions scope

This instruction manual covers the installation, operation, and maintenance of the WS300
speed sensor.

1.2

Purpose of this documentation

We strongly recommend reading this manual, and any manual for a product used in
conjunction with the WS300 (such as a belt scale integrator), for proper installation and
operation of any component of the weighing system. Adhering to the installation and
operating procedures ensures a quick, trouble-free installation and allows for the maximum
accuracy and reliability of your weighing system.

1.3

Industrial Use Note

Note

This product is intended for use in industrial areas.

In a domestic environment this device may cause radio interference.

Introduction

1.3 Industrial Use Note

SITRANS WS300

6 Operating Instructions, 06/2018, A5E4505935-AA

SITRANS WS300
Operating Instructions, 06/2018, A5E4505935-AA

7

2

2.1

SITRANS WS300 speed sensor overview

SITRANS WS300 speed sensor is a low- to high-resolution shaft driven speed sensor. It
measures the shaft’s rotation by sending pulses to the integrator. The WS300 is certified for
use in hazardous and non-hazardous locations.

This small, light-weight speed sensor features:

● Optional resolutions for accurate measurement over a range of belt speeds

● Long bearing life

● Corrosion resistance

Pulses are generated for each rotation of the WS300 shaft. These pulses are typically fed
into a Milltronics belt scale integrator. The integrator interprets the pulses and uses them in
the calculation of belt speed, flow rate, and material totalization.

The WS300 works with the following integrators:

● Milltronics BW100

● Milltronics BW500

● SIWAREX FTC

● Competitive integrators - consult your local Siemens representative

The WS300 sensors can also be used with older model Siemens integrators:

● Compuscale

● Compuscale II

● Compuscale IIA

● Compuscale III

● Compu-M

For further information about Siemens products, go to
www.siemens.com/protectionautomation (www.siemens.com/protectionautomation

)

Description

2.1 SITRANS WS300 speed sensor overview

SITRANS WS300

8 Operating Instructions, 06/2018, A5E4505935-AA

SITRANS WS300
Operating Instructions, 06/2018, A5E4505935-AA

9

3

3.1

Installation note

Note

Installation shall be performed only by qualified personnel in accordance with local governing
regulations.

3.2

Dimension drawings

Dimensions in mm (inch)

① Shaft ø: 15.9 mm (5/8 inch)
② Rod ø: 8.0 mm (5/16 inch)
③ ½" NPT conduit entrance (optional M20 adapter available)

Installing/mounting

3.3 Mounting

SITRANS WS300

10 Operating Instructions, 06/2018, A5E4505935-AA

Dimensions in mm (inch)

① ½" NPT conduit entrance (optional M20 adapter available)

3.3

Mounting

The input shaft on the WS300 is coupled to the rotating shaft on a belt driven pulley and is
not externally supported. The units arresting rod stops it from rotating with the pulley shaft
and can be fitted with a spring to soften sudden speed changes.

CAUTION

Proper attachment of the arresting rod

The arresting rod should only be solidly attached to the WS300. Fixing the rod at both ends
will apply binding forces and cause the unit’s bearings to wear prematurely.

When mounting, make sure the unit and the pulley shaft are concentric to avoid stresses on
the units bearings.

For preferred mounting locations, refer to the associated belt scale or weigh feeder
instruction manual.

For shafts that do not have enough material protruding to use a set screw, or that cannot be
removed for modification, a threaded shaft coupling can be used.