Schmersal RSS 36-I2-D-R-ST User manual

INSTRUCTIONS FOR OPERATION AND

ASSEMBLY

ELECTRONIC SAFETY-SENSOR RSS 36-

I2-D-R-ST

Table of Contents

1 About this document

1.1 Function

1.2 Target group of the operating instructions: authorised qualified personnel

1.3 Explanation of the symbols used

1.4 Appropriate use

1.5 General safety instructions

2 Product description

2.1 Ordering code

2.2 Special versions

2.3 Purpose

2.4 Warning about misuse

2.5 Exclusion of liability

3 Technical Data

4 Mounting

4.1 General mounting instructions

4.2 Dimensions

4.3 Accessories

4.4 Switch distance

4.5 Adjustment

5 Electrical connection

5.1 General information for electrical connection

5.2 Serial diagnostic -SD

5.3 Wiring examples for series-wiring

5.4 Wiring configuration and connector accessories

6 Actuator coding

7 Working principle and diagnostic function

7.1 Mode of operation of the safety outputs

7.2 Diagnostic-LEDs

7.3 Operating principle of the electronic diagnostic output

7.4 Safety-sensors with serial diagnostic function

8 Set-up and maintenance

9 Disassembly and disposal

9.1 Disassembly

9.2 Disposal

1 About this document

1.1 Function

This document provides all the information you need for the mounting, set-up and commissioning to ensure the safe

operation and disassembly of the switchgear. The operating instructions enclosed with the device must always be

kept in a legible condition and accessible.

1.2 Target group of the operating instructions: authorised qualified

personnel

All operations described in the operating instructions manual must be carried out by trained specialist personnel,

authorised by the plant operator only.

Please make sure that you have read and understood these operating instructions and that you know all applicable

legislations regarding occupational safety and accident prevention prior to installation and putting the component

into operation.

The machine builder must carefully select the harmonised standards to be complied with as well as other technical

specifications for the selection, mounting and integration of the components.

The information contained in this operating instructions manual is provided without liability and is subject to

technical modifications.

1.3 Explanation of the symbols used

FInformation, hint, note: This symbol is used for identifying useful additional information.

Caution:Failure to comply with this warning notice could lead to failures or malfunctions.

Warning:Failure to comply with this warning notice could lead to physical injury and/or damage to the machine.

1.4 Appropriate use

Products in Schmersal's range are not intended to be used by private end consumers.

The products described in these operating instructions are developed to execute safety-related functions as part of

an entire plant or machine. It is the responsibility of the manufacturer of a machine or plant to ensure the correct

functionality of the entire machine or plant.

The safety switchgear must be exclusively used in accordance with the versions listed below or for the applications

authorised by the manufacturer. Detailed information regarding the range of applications can be found in the

chapter "Product description".

1.5 General safety instructions

The user must observe the safety instructions in this operating instructions manual, the country specific installation

standards as well as all prevailing safety regulations and accident prevention rules.

FFurther technical information can be found in the Schmersal catalogues or in the online catalogue on the Internet:

products.schmersal.com.

2 Product description

2.1 Ordering code

Product type description:

RSS 36 (1)-(2)-(3)-(4)

(1)

without Standard coding

I1 Individual coding

I2 Individual coding, re-teaching enabled

(2)

without without diagnostic function (only on request for ST5)

DWith diagnostic output

SD with serial diagnostics (only for ST)

(3)

without without latching

Rwith latching, latching force approx. 18 N

(4)

ST Connector plug M12, 8-pole

ST5 Connector plug M12, 5-pole

2.2 Special versions

For special versions, which are not listed in the ordering code, these specifications apply accordingly, provided that

they correspond to the standard version.

2.3 Purpose

This non-contact, electronic safety sensor is designed for application in safety circuits and is used for monitoring the

position of movable safety guards. In this application, the safety sensor monitors the position of hinged, sliding or

removable safety guards by means of the coded electronic actuator.

The safety function consists of safely switching off the safety outputs when the safety guard is opened and

maintaining the safe switched off condition of the safety outputs for as long as the safety guard is open.

The safety switchgears are classified according to ISO 14119 as type 4 interlocking devices. Designs with individual coding are classified

as highly coded.

Safety sensors and actuators with latching (ordering suffix 'R') always must be used in pairs. The latching force

(approx. 18 N) exercised by the permanent magnet keeps hatches and small guards closed, also in a de-energised

condition.

The system can be used as a door end stop up to 5 kg at 0.25 m/s.

The diagnostic output of the safety sensor alternatively can be used as a conventional output or as a “serial output“

with input and output channel.

Series-wiring

Series-wiring can be set up. In the case of a series connection, the risk time remains unchanged and the reaction

time increases by the sum of the reaction time of the inputs per additional unit specified in the technical data. The

quantity of devices is only limited by the cable drops and the external cable fuse protection, according to the

technical data. Up to 31 device variants with serial diagnostics can be wired in series.

2The user must evaluate and design the safety chain in accordance with the relevant standards and the required safety

level. If multiple safety sensors are involved in the same safety function, the PFH values of the individual components must

be added.

2The entire concept of the control system, in which the safety component is integrated, must be validated to the relevant

standards.

2.4 Warning about misuse

2In case of improper use or manipulation of the safety switchgear, personal hazards or damages to machinery or plant

components cannot be excluded. There are no residual risks, provided that the safety instructions as well as the

instructions regarding mounting, commissioning, operation and maintenance are observed.

2.5 Exclusion of liability

We shall accept no liability for damages and malfunctions resulting from defective mounting or failure to comply

with the operating instructions manual. The manufacturer shall accept no liability for damages resulting from the

use of unauthorised spare parts or accessories.

For safety reasons, invasive work on the device as well as arbitrary repairs, conversions and modifications to the

device are strictly forbidden, the manufacturer shall accept no liability for damages resulting from such invasive

work, arbitrary repairs, conversions and/or modifications to the device.

3 Technical Data

Approvals - Standards

Certificates TÜV

cULus

ECOLAB

FCC

General data

Standards EN ISO 13849-1

EN IEC 60947-5-3

EN IEC 61508

Coding Individual coding, multiple teaching

Coding level according to EN ISO 14119 High

Working principle RFID

Frequency band RFID 125 kHz

Transmitter output RFID, maximum -6 dB/m

Housing construction form Block

Installation conditions (mechanical) not flush

Sensor topology Sensor for series wiring

Enclosure material Plastic, glass-fibre reinforced thermoplastic, self-extinguishing

Active area Glass-fibre, reinforced thermoplastic

Gross weight 100 g

Time to readiness, maximum 2,000 ms

Reaction time, maximum 100 ms

Duration of risk, maximum 200 ms

Reaction time, switching off safety outputs via actuator, maximum 100 ms

Reaction time, switching off safety outputs via safety inputs,

maximum

0.5 ms

General data - Features

Latching Yes

Diagnostic output Yes

Short circuit detection Yes

Cross-circuit detection Yes

Series-wiring Yes

Safety functions Yes

Cascadable Yes

Integral system diagnostics, status Yes

Number of LEDs 3

Number of semi-conductor outputs with signaling function 1

Number of fail-safe digital outputs 2

Safety classification

Standards EN ISO 13849-1

EN IEC 61508

Performance Level, up to e

Category 4

PFH value 2.70 x 10⁻¹⁰ /h

PFD value 2.10 x 10⁻⁵

Safety Integrity Level (SIL), suitable for applications in 3

Mission time 20 Year(s)

Mechanical data

Actuating panels lateral

Active area lateral

Hysteresis (Switching distance), maximum 2 mm

Repeat accuracy R 0.5 mm

Note (Repeat accuracy R) Axial offset: The long side allows for a maximum height

misalignment (x) of sensor and actuator of 8 mm (e.g. mounting

tolerance or due to guard door sagging). The axial misalignment (y)

is max. ± 18 mm (see figure: Operating principle). Minimum

clearance between two sensor systems 100 mm.

Latching force, approx. 18 N

Mounting A screw length of 25 mm is sufficient for sensor mounting and for

side mounting of the actuators. 30 mm long screws are

recommended when the actuator is mounted upright and/or when

the sealing discs are used.

Type of the fixing screws 2x M4 (cylinder head screws with washers DIN 125A / form A)

Tightening torque of the fixing screws, minimum 2.2 Nm

Tightening torque of the fixing screws, maximum 2.5 Nm

Mechanical data - Switching distances according EN IEC 60947-5-3

Assured switching distance "ON" Sao 10 mm

Assured switching distance "OFF" Sar 20 mm

Switch distance, typical 12 mm

Mechanical data - Connection technique

Termination Connector M12, 8-pole

Note (length of the sensor chain) Cable length and cross-section change the voltage drop dependiing

on the output current

Note (series-wiring) Unlimited number of devices, oberserve external line fusing, max.

31 devices in case of serial diagnostic SD

Mechanical data - Dimensions

Length of sensor 22 mm

Width of sensor 106.3 mm

Height of sensor 25 mm

Ambient conditions

Degree of protection IP65

IP67

IP69

Ambient temperature, minimum -25 °C

Ambient temperature, maximum +70 °C

Storage and transport temperature, minimum -25 °C

Storage and transport temperature, maximum +85 °C

Relative humidity, maximum 93 %

Note (Relative humidity) non-condensing

non-icing

Resistance to vibrations 10 … 55 Hz, amplitude 1 mm

Restistance to shock 30 g / 11 ms

Protection class III

Permissible installation altitude above sea level, maximum 2,000 m

Storage and transport temperature -25 ... +85 °C

Ambient conditions - Insulation values

Rated insulation voltage Ui32 VDC

Rated impulse withstand voltage Uimp 0.8 kV

Overvoltage category III

Degree of pollution 3

Electrical data

Operating voltage 24 VDC -15 % / +10 %

Note (Power supply, general) stabilised PELV power supply

Operating current, minimum 0.5 mA

No-load supply current I0, maximum 35 mA

Rated operating voltage 24 VDC

Operating current 600 mA

Required rated short-circuit current 100 A

Switching frequency, maximum 1 Hz

Electrical data - Safety digital inputs

Designation, Safety inputs X1 and X2

Current consumption of the safety inputs 5 mA

Test pulse duration, maximum 1 ms

Test pulse interval, minimum 100 ms

Classification ZVEI CB24I, Sink C1

Classification ZVEI CB24I, Source C1

Electrical data - Safety digital outputs

Designation, Safety outputs Y1 and Y2

Rated operating current (safety outputs) 250 mA

Output current, (fail-safe output), maximum 0.25 A

Design of control elements short-circuit proof, p-type

Voltage drop Ud, maximum 1 V

Leakage current Ir, maximum 0.5 mA

Voltage, Utilisation category DC-12 24 VDC

Current, Utilisation category DC-12 0.25 A

Voltage, Utilisation category DC-13 24 VDC

Current, Utilisation category DC-13 0.25 A

Test pulse duration, maximum 0.3 ms

Test pulse interval, typical 1000 ms

Classification ZVEI CB24I, Source C2

Classification ZVEI CB24I, Sink C1

Electrical data - Diagnostic outputs

Designation, Diagnostic outputs OUT

Design of control elements short-circuit proof, p-type

Voltage drop Ud, maximum 2 V

Voltage, Utilisation category DC-12 24 VDC

Current, Utilisation category DC-12 0.05 A

Voltage, Utilisation category DC-13 24 VDC

Current, Utilisation category DC-13 0.05 A

Electrical data - Electromagnetic compatibility (EMC)

Interfering radiation IEC 61000-6-4

EMC rating IEC 60947-3

Status indication

Note (LED switching conditions display) LED yellow: Operating condition

LED green: Supply voltage

LED red: Fault

Pin assignment

PIN 1 1A1 Ue: (1)

PIN 2 X1 Safety input 1

PIN 3 A2 GND Blue

PIN 4 Y1 Safety output 1 Black

PIN 5 OUT Diagnostic output OUT Grey

PIN 6 X2 Safety input 2 violet

PIN 7 Y2 Safety output 2 red

PIN 8 IN without function Pink

UL notice

]Max. environmental temperature 69 °C.

FCC/IC - Note

This device complies with Part 15 of the FCC Rules and contains licence-exempt transmitter/receivers that are

compliant with ISED (Innovation, Science and Economic Development) Canada licence-exempt RSS standard(s).

Operation is subject to the following two conditions:

(1) This device may not cause harmful interference signals, and

(2) This device must be able to tolerate interference signals. These also include interference signals that could

cause the device to function improperly.

This device complies with the nerve stimulation limits (ISED SPR-002) when operated at a minimum distance of 100

mm. Changes or modifications not expressly approved by K.A. Schmersal GmbH & Co. KG could void the user's

authority to operate the equipment.

The licence-free transmitter/receiver contained in this device satisfies the requirements of the "Radio Standards

Specification" of the Innovation, Science and Economic Development Canada (ISED) authority that apply to licence-

free radio equipment. Operation is permissible under the following two conditions:

(1) The device must not create disturbances.

(2) The device must tolerate received radio frequency interference, even if this could impair its functionality.

This device complies with the nerve stimulation limits (ISED CNR-102) when operated at a minimum distance of 100

mm.

In the event of changes or modifications that have not been expressly approved by K.A. Schmersal GmbH & Co. KG,

the user's authorisation to use the device may become ineffective.

4 Mounting

4.1 General mounting instructions

2Please observe the relevant requirements of the standards ISO 12100, ISO 14119 and ISO 14120.

Ensure the safety sensor and actuator is mounted on a flat surface. The component can be mounted in any position.

The universal mounting holes provide for a variable mounting by means of M4 screws. Mounting: a screw length of

25 mm is sufficient for sensor mounting and for side mounting of the actuators. 30 mm long screws are

recommended when the actuator is mounted upright and/or when the sealing discs are used. (Tightening torque

2,2...2,5 Nm). The labelled surfaces of the safety sensor and the actuator have to be opposite. The safety sensor

must only be used within the assured switching distances ≤ sao and ≥ sar.

To avoid any interference inherent to this kind of system and any reduction of the switching distances, please

observe the following guidelines:

The presence of metal chips in the vicinity of the sensor is liable to modify the switching distance.

Keep away from metal chips

Minimum distance 100 mm between two safety sensors as well as other systems with same frequency (125

kHz)

2The actuator must be permanently fitted to the safety guards and protected against displacement by suitable measures

(tamperproof screws, gluing, drilling of the screw heads).

4.2 Dimensions

All measurements in mm.

Safety sensor

Actuator

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