Banner RP-LM40 Rope Pull Switches User Manual

25 26

13 14

25 26

13 14

25 26

13 14

13-14

25-26

Break

Pull

50N

70N

0 (0)

1.6 (0.06)

3.6 (0.14)

4.4 (0.17)

5.0 (0.20)
mm (in)

13-14

25-26

Break

Pull

50N

70N

0 (0)

1.2 (0.05)

3.2 (0.13) Latch

4.8 (0.19)
mm (in)

RP-LM40 Series Rope Pull Switches

Datasheet

RP-LM40 Series 40 mm Limit-Switch-Style Switches with Rope Actuators

Model

•

• Standard limit-switch housing (EN 50041)

• Heavy-duty die cast metal housing, rated IP65, suitable for demanding

• Rope spans up to 6 m (20 ft)

• Both safety contacts are closed with normal rope tension; one contact

• Long life, switch rated at 1 million mechanical operations, minimum

• Two available models, trip and latch

•

Actuation Max. Rope

Length

Positive-opening safety contacts (IEC 60947-5-1), not dependent upon

springs

industrial environments

opens when rope is pulled, the other contact opens if rope breaks (or if
tension is reduced from normal amount)

Protective Earth Terminal (IEC 60947-1)

Run Position Cable Pulled Cable Break Switching

Diagram

RP-LM40D-6 Trip

RP-LM40D-6L Latch

Contacts: Open Closed Transition

6 m (20 ft)

P/N 62082 Rev. C 23 January 2014

RP-LM40 Series Rope Pull Switches

NOTE: This symbol for a positive-opening safety contact (IEC 60947-5-1) is used in the switching
diagram to identify the point in actuator travel where the normally-closed safety contact is fully open.

Important... Read This First

Regarding the Use of Rope Pull Switches. In the United States, the functions that Banner rope pull switches are

intended to perform are regulated by the Occupational Safety and Health Administration (OSHA). Whether or not any
particular rope pull switch installation meets all applicable OSHA requirements depends upon factors that are beyond the
control of Banner Engineering Corp. These factors include the details of how the switches are applied, installed, wired,
operated, and maintained.

Banner Engineering Corp. has attempted to provide complete application, installation, operation, and maintenance
instructions in this document. Direct any questions regarding the use or installation of rope pull switches to the factory
applications department.

Banner Engineering Corp. recommends that rope pull switches be applied according to the guidelines set forth in the
standards listed below. In addition, the user is responsible for ensuring all local, state, and national laws, rules, codes, and
regulations relating to the use of Banner rope pull switches in each application are satisfied. Extreme care is urged that all
legal requirements are met and that all installation and maintenance instructions are followed.

Applicable U.S. Standards

OSHA Code of Federal Regulations: Title 29, Parts 1900 to 1910
Available from: Superintendent of Documents, Government Printing Office, P.O. Box 371954, Pittsburgh, PA 15250-7954,

Tel: [phone]
ANSI B11 Standards for Machine Tools Safety
Contact: Safety Director, AMT – The Association for Manufacturing Technology, 7901 Westpark Drive, McLean, VA 22102,

Tel.: [phone]

Applicable European and International Standards

ISO/TR 12100-1 (EN 292-1 & -2) Safety of Machinery – Basic Concepts, General Principles for Design
ISO 13852 (EN 294) Safety of Machinery—Safety Distances to Prevent Danger Zones Being Reached by the Upper Limbs
ISO 13853 (EN 811) Safety of Machinery—Safety Distances to Prevent Danger Zones Being Reached by the Lower Limbs
ISO 13849-1 (EN 954-1) Safety-Related Parts of Control Systems
ISO 13855 (EN 999) The Positioning of Protective Equipment in Respect to Approach Speeds of Parts of the Human Body
ISO 14119 (EN 1088) Interlocking Devices Associated with Guards – Principles for Design and Selection
IEC 60204-1 Electrical Equipment of Machines Part 1: General Requirements
IEC 60947-5-1 Low Voltage Switchgear – Electromechanical Control Circuit Devices
Contact: Global Engineering Documents, 15 Inverness Way East, Englewood, CO 80112-5704, Tel.: [phone]

Overview

Models RP-LM40D-6 and RP-LM40D-6L are rope pull switches in compact, limit switch-style housings. When used with steel
wire rope, they can provide machine stop actuation along conveyors and similar machinery. Red PVC-covered 2 mm
diameter wire rope, up to 6 m (20 ft) long is recommended.

When the rope is properly tensioned (using a turnbuckle), both contacts of the switch are closed. When the rope is pulled,
the positive-break contacts between terminals 25–26 open. If the rope breaks or goes slack, the contacts between
terminals 13–14 open. These two contacts typically should be wired together, in series.

These rope pull switches are not safeguarding devices; they do not protect personnel from injury. They provide the same
function as other types of stop switches.

The two switch models differ in their switching operation. Model RP-LM40D-6 is a momentary switch, which returns
immediately to the Run condition (i.e., both contacts close) after releasing the rope, following a Pull condition. When using
this model, a separate latching circuit is required. Model RP-LM40D-6L latches contacts 25–26 open with each Pull
condition, and must be reset by pulling the integral reset button.

2 www.bannerengineering.com - tel: [phone] P/N 62082 Rev. C

Wire in Series

RP-LM40 Series Rope Pull Switches

WARNING: Not a Safeguarding Device
An Emergency Stop Device is not considered a safeguarding device because it requires an

overt action by an individual to stop machine motion or hazards.

A safeguarding device limits or eliminates an individual's exposure to a hazard without action by the
individual or others. Because an individual must actuate the device for it to function, these devices do

not fit the definition of a safeguarding device and cannot be substituted for required safeguarding. Refer
to the relevant standards to determine those requirements.

Figure 1. Run Position: Proper Rope Tension

Figure 2. Rope Pulled: Contact 25-26 Opens

Figure 3. Rope Break or Slack: Contact 13-14 Opens

Mechanical Installation

Installation Guidelines

• The rope should be easily accessible and visible along its entire length. Markers or flags may be fixed on the rope
to increase its visibility

• Mounting points, including support points, must be rigid and allow sufficient space around the rope to allow easy
access

• The rope should be free of friction at all supports. Pulleys are recommended

• Use only pulleys (not eye bolts) when routing the rope around a corner or whenever direction changes, even
slightly

• Never run rope through conduit or other tubing

• Never attach weights to the rope

• Temperature affects rope tension. The rope expands (lengthens) when temperature increases, and contracts
(shrinks) when temperature decreases. Significant temperature variations require frequent checks of the tension
adjustment

• Do not exceed the maximum specified total rope length. Banner offers models for other spans; contact Banner
Engineering or visit www.bannerengineering.com for model selection

Installation Procedure

1. Mount the switch securely on a solid, stationary surface.

2. Fasten an eye bolt at the opposite end of the rope span, up to 6 m (20 ft) from the switch. The anchor for the eye
bolt also must be solid and stationary, to withstand the constant tension of the rope.

3. Assemble the rope as shown. Keep the rope’s PVC cover intact along its complete length.

4. Use pulleys (recommended) or eye bolts at each support point. A pulley must be used when routing the rope
around a corner, regardless of the angle.

5. Connect a continuity tester (or ohmmeter) between terminals 25–26 of the switch. Adjust the turnbuckle to tighten
the rope, until contact 25–26 closes. This indicates sufficient rope tension.

6. Pull hard on the rope several times. If contact 25–26 remains open (following reset, for model RP-LM40D-6L),
further tighten the turnbuckle, until contact 25–26 closes.

7. Repeat step 6 until contact 25–26 remains closed for the Run condition.

P/N 62082 Rev. C www.bannerengineering.com - tel: [phone]