Rockwell Automation Allen-Bradley Guardmaster MSR124RT Bedienungsanleitung

Installation Instructions

Original Instructions

Minotaur MSR124RT Monitoring Safety Relay

Bulletin Number 440R

Summary of Changes

This publication contains the following new or updated information. This list

includes substantive updates only and is not intended to reflect all changes.

Introduction

This device is intended to be part of the safety-related control system of a

machine.

Before installation, you must perform a risk assessment to determine whether the

specifications of this device are suitable for all foreseeable operational and

environmental characteristics of the machine to which it is fitted. At regular

intervals during the life of the machine, check whether the foreseen

characteristics remain valid.

Rockwell Automation does not accept responsibility for failure of this device if you

do not implement the procedures that are given in this publication, or if you use

the unit outside the recommended specifications that are listed in this publication.

Repair

If any malfunction or damage is present, do not attempt to repair. Replaced the

unit before machine operation is allowed.

Functional Description

The safety-related function is the instant interruption of the safety-related contact

paths. MSR124 safety relay can be used as a safety guard monitor or as an

E-stop relay in single or dual-channel applications. The dual-channel operation

that is shown in Figure 4 on page 2 includes cross fault monitoring between both

E-stop circuits. Shorts between the two E-stop channels of MSR124 safety relay

de-energize the outputs. De-energization is achieved by an electronic protection

circuit in the safety relay. After elimination of the malfunction, the MSR124 safety

relay is ready for operation again. The application with monitored start checks the

start circuit (Y1-Y2) and only activates the MSR124 safety relays if there is a leading

edge in this circuit. The recovery time in this function must be at least 5 seconds.

If wired for the autostart function (X5 and X6 linked), the MSR124 safety relay

activates automatically once the E-stop circuits and the feedback loop (X1-X2)

closes. In autostart applications, where both E-stop circuits do not close

simultaneously (for example, safety gates), channel 2 must activate before channel

1. MSR124 safety relay can be supplied either with the rated AC voltage via terminals

A1-A2, or with 24V DC supply to be connected via terminals A3-A4.

Specifications

Topic Page

Updated Declaration of Conformity 3

WARNING: Danger of serious injury. Misuse can result in

malfunction.

• Only authorized and trained personnel can start, assemble, or

retrofit the device.

• Installation must be in accordance with the following steps.

WARNING: Danger of serious injuries. Incorrect installation or

manipulation can result in serious injuries.

• Do not defeat, tamper, remove, or bypass this unit.

IMPORTANT The safety inputs of these products are described as

normally closed (N.C.), that is, with the guard closed, the

actuator in place (where relevant), and the machine able to

start. You must prevent exposure to shock and/or vibration

in excess of those specifications in IEC 60068 part: 2-6/7.

Adherence to the recommended inspection and

maintenance instructions forms part of the warranty.

IMPORTANT All information complies with the state of this publication

and is subject to change without notice.

IMPORTANT Do not dismantle the unit.

Table 1 - Technical Specifications

Attribute Description

Functional safety data

According to ISO 13849-1:

•PLe,Cat.4

•MTTF

d[a]: 416

• DC average: 99%

According to IEC 62061 and IEC 61508:

• SIL CL 3

• PFH [1/h]: 2.00E-09

•HFT:1

• DC: 99%

• TM (PTI) [a]: 20

• dop [d]/hop [h] (1): 365/24

• tcycle [h]/[s] (2): 8/28,800

Power supply 24V AC/DC, 115/230V AC, and 24V DC (A3-A4)

0.8…1.1 x rated voltage 50/60 Hz

(0.85…1.1 x 24V DC)

Power consumption 3 W

Safety inputs 1 N.C. or 2 N.C., or light curtain

Input simultaneity Infinite

Allowable input resistance,

max 50 Ω

Outputs 5 N.O. safety, 1 N.C. auxiliary

Output rating

•UL:B300

6 A/240V AC

•AC-15:4A/250VAC

•DC-13:2A/24VDC

Fuses output (external) 6 A slow blow or 10 A quick blow

Switched current/voltage, min 10 mA/10V

Thermic current/lth According to the derating diagram (maximum 10 A in one current path)

Contact material AgSnO2 + 0.5µAu

2Rockwell Automation Publication 440R-IN082B-EN-P - July 2022

Minotaur MSR124RT Monitoring Safety Relay Installation Instructions

Safety Input

If the inputs S12 and S22 are activated with the external 24V DC (light curtain

application), the negative pole must connect to terminal PE. In this case, the power

supply on A1-A2 is only necessary to drive the Power status indicator.

Figure 1 - Single-channel (1-CH) and Dual-channel (2-CH) Diagrams

Reset

Reset modes - The unit is available with automatic/manual start and manual

monitored reset.

Automatic/manual start

Automatic: The unit is active once the E-stop circuit closes.

Manual (not monitored): The unit is active once the E-stop circuit closes and then

the reset circuit closes.

Manual monitored reset

Positive Edge: The unit is active once the safety input circuit closes and once the

reset circuit closes after the waiting period has elapsed (see

Declaration of Conformity on page 3).

Wiring Examples

Figure 2 - 24V DC Light Curtain, Monitored Manual Reset, Monitored Output

Figure 3 - 115/230V AC Supply, 24V DC Light Curtain, Automatic Reset, Monitored

Output

Figure 4 - Dual-channel E-stop, Monitored Manual Reset, Monitored Output

Figure 5 - Single-channel E-stop, Automatic Reset, No Output Monitoring

Electrical life (operations)

• 100,000 (220V AC/4 A/880VA cosφ = 0.35)

• 500,000 (220V AC/1.7 A/375VA cosφ= 0.6)

• 1,000,000 (30V DC/2 A/60 W)

• 2,000,000 (10V DC/0.01 A/0.1 W)

Mechanical life 10,000,000 cycles

Power on delay 1 ms

Response time 20 ms

Recovery time 100 ms

Impulse withstand voltage 2500V

Pollution degree 2

Installation group Overvoltage category III, VDE 0110-1

Operating temperature -5…+55 °C (23…131 °F)

Relative humidity 90%

Enclosure protection IP40 (NEMA 1)

Terminal protection IP20

Wiring Use copper that withstands 60…75 °C (140…167 °F)

Conductor size 0.2…4 mm2(24…12 AWG)

Terminal screw torque 0.5 N•m (4 lb•in)

Case material Polycarbonate

Mounting 35 mm (1.38 in.) DIN rail in enclosure to a minimum of IP54

Weight • 24V AC/DC: 550 g (1.21 lb)

• 115/230V AC: 710 g (1.57 lb)

Vibration 10…55 Hz, 0.35 mm (0.01 in.)

(1) Operation time (day, hour)

(2) Cycle time (hour, sec)

Table 1 - Technical Specifications (Continued)

Attribute Description

S11 S12

S23S21

S23S21 S23S21 S22

S11 S12

S22

S11 S12

S22

S11 S22 S12

S21 S23

Max PLd: 2-CH;

3-wire connection

Max PLe: 2-CH; 24V

DC signal

Max PLe: 2-CH; 4-wire

connection, cross

faults require fault

Max PLC: 1-CH; N.C.

Light Curtain

Out 1 Out 2

+24V DC

Ground

Reset

Light Curtain

Out 1 Out 2

+24V DC

Ground

Reset

E-stop

Rockwell Automation Publication 440R-IN082B-EN-P - July 2022 3

Minotaur MSR124RT Monitoring Safety Relay Installation Instructions

Limit Curve

Figure 6 - 24V DC Light Curtain, Monitored Manual Reset, Monitored Output

Circuit Diagrams

Figure 7 - Circuit Diagram

Approximate Dimensions

Figure 8 - Dimensions [mm (in.)]

Installation

Installation of this product must not take place until you obtain a copy of the

manufacturer instructions in a language that you understand. This instruction

sheet is available in multiple languages at rok.auto/literature.

Figure 9 - Mount in Enclosure, Min of IP54

Safety Specifications

The MSR124RT safety relay can be used in safety circuits according to

DIN EN 60204-1/VDE 0113 part 1. Based on the operation mode and wiring, the

following safety requirements are achievable in maximum.

Specifications are applicable only if the safety function is demanded at least once

within 6 months. All diagnostic tests are conducted at least before next demand.

The mission time (TM) for the proof test interval (PTI) is adopted.

Components failure rates according to SN29500.

Figure 10 - Example Safety Circuits

Declaration of Conformity

CE Conformity

Rockwell Automation declares that the products that are shown in this document

conform with the Essential Health and Safety Requirements (EHSRs) of the

European Machinery Directive (2006/42/EC), EMC Directive (2014/30/EU), and RoHS

Directive (2011/65/EU).

For a comprehensive CE certificate visit: rok.auto/certifications.

UKCA Conformity

Rockwell Automation declares that the products that are shown in this document

are in compliance with the Supply of Machinery (Safety) Regulations (2008 No.

1597), Electromagnetic Compatibility Regulations (2016 No. 1091), and Restriction of

the Use of Certain Hazardous Substances in Electrical and Electronic Equipment

Regulations (2012 No. 3032).

For a comprehensive UKCA certificate visit: rok.auto/certifications.

Circuit Diagram Labels Description

Connections

A1, A2, A3, A4 Power

S11, S12, S21, S22, S23 Safety input N.C.

X1, X2 Monitoring feedback loop, incorporating the Reset button

X5, X6 Automatic reset

13, 14, 23, 24, 33, 34, 43, Safety output N.O.

44, 53, 54 -

Y1, Y2 Reset

81, 82 Auxiliary output N.C.

Status Indication

PWR Steady green - unit is powered

Flashing green - cross-loop faults

CH1 Green - safety output channel 1 is activated

CH2 Green - safety output channel 2 is activated

Contact Derating: Temperature MSR124 Safety Relay

Ambient temperature [°C]

Current 2 x number of contact paths 2

Logic

Reset

Overvoltage

Protection

24V DC

Channel 1

Channel 2

800F E-stop 100S Contactor400R Safety Relay

Sensor

Contact

Sensor

Contact

Actuator 1

Actuator 2

Publication 440R-IN082B-EN-P - July 2022 | Supersedes Publication 440R-IN082A-EN-P - January 2022

Rockwell Otomasyon Ticaret A.Ş. Kar Plaza İş Merkezi E Blok Kat:6 34752 İçerenköy, İstanbul, Tel: +90 (216) 5698400 EEE Yönetmeliğine Uygundur

MM-95302163

10000176973 Ver 02

Allen-Bradley, expanding human possibility, Guardmaster, Minotaur, and Rockwell Automation are trademarks of Rockwell Automation, Inc.

Trademarks not belonging to Rockwell Automation are property of their respective companies.

Waste Electrical and Electronic Equipment (WEEE)

Rockwell Automation maintains current product environmental compliance information on its website at rok.auto/pec.

At the end of life, this equipment should be collected separately from any unsorted municipal waste.

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