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Summary of Contents for Reer SR X
- Page 1 Installation use and maintenance Safety Relay Module 8541411 - 26/09/2023 Rev.2...
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Page 2: Table Of Contents
CONNECTION OF SR X WITH 1 PAIR OF PHOTOCELLS (WITH K1K2 EXTERNAL CONTACTORS) ........ 9 SERIES CONNECTION OF SR X WITH 2 PAIRS OF PHOTOCELLS (WITH K1K2 EXTERNAL CONTACTORS) ....9 CONNECTION OF SR X WITH 4 PAIRS OF PHOTOCELLS (WITHOUT K1-K2 EXTERNAL CONTACTORS) ....10 ELECTRICAL CONNECTIONS ..................... -
Page 3: Overview
• In MANUAL mode, maintenance of the RESTART contact closed is not interpreted as AUTOMATIC mode. For safe use of the SR X module, it is essential to read and understand the contents of this handbook. Failure to comply with the prescriptions indicated in this handbook may result in very high risks for the operating personnel of the machine protected. -
Page 4: New Safety Parameters For Type 2 Barriers And Mandatory Labelling
SAFETY RELAY MODULE SR X NEW SAFETY PARAMETERS FOR TYPE 2 BARRIERS AND MANDATORY LABELLING ➔ With the publication of Edition 3 of the harmonized EN 61496-1 standard it is no longer possible to use a Type 2 safety light barrier for safety functions assessed as SIL 2 / PL d. -
Page 5: Operating Modes Description
SAFETY RELAY MODULE SR X OPERATING MODES DESCRIPTION OPERATING MODES SELECTION TERMINAL 5 TERMINAL 6 OPERATION 0 VDC +24 VDC Automatic +24 VDC 0 VDC Manual 0 VDC 0 VDC Non-permissible conditions +24 VDC +24 VDC Table 1 AUTOMATIC MODE... -
Page 6: Manual Mode
SAFETY RELAY MODULE SR X MANUAL MODE In this operating mode, the outputs of the safety relay are activated only if the protected area is free and after sending the RESTART signal to the unit using the push-button or by means of a specific command on the RESTART input (terminal 4). -
Page 7: Connection Of External Contactors K1 And K2
SAFETY RELAY MODULE SR X CONNECTION OF EXTERNAL CONTACTORS K1 AND K2 Control of external contactors K1 K2 can be activated in both operating modes. If this control must be used, the series of normally closed contacts of the external contactors must be connected to terminal 11 of the Safety Relay Module (Figure 3 and Figure 4). -
Page 8: Connecton Examples
SAFETY RELAY MODULE SR X CONNECTON EXAMPLES Connection of SR X with 2 pairs of photocells (without K1K2 external contactors) Figure 5 8541411 - 26/09/2023 Rev.2... -
Page 9: Connection Of Sr X With 1 Pair Of Photocells (With K1K2 External Contactors)
SAFETY RELAY MODULE SR X Connection of SR X with 1 pair of photocells (with K1K2 external contactors) Figure 6 Series connection of SR X with 2 pairs of photocells (with K1K2 external contactors) Figure 7 ➔ In this case, the 2 photocells are connected in series and the module INPUT2 (terminal 8) is not utilized;... -
Page 10: Connection Of Sr X With 4 Pairs Of Photocells (Without K1-K2 External Contactors)
SAFETY RELAY MODULE SR X Connection of SR X with 4 pairs of photocells (without K1-K2 external contactors) Figure 8 8541411 - 26/09/2023 Rev.2... -
Page 11: Electrical Connections
Figure 9 Install the SR X Safety Relay Module in an environment with a protection rating of at least IP54. If more modules SR X must be installed in the same board panel, in order to avoid overheating, maintain between them one minimal distance of 2cm. -
Page 12: Pinout
❒ Operate a complete System Test. The System Test is mandatory because a type 2 device is connected upstream to SR X safety module (e.g., photocell, etc). Refer to the “THE SYS TEST COMMAND” section. 8541411 - 26/09/2023 Rev.2... -
Page 13: Input And Output
The SYS TEST command must be forwarded to the safety module connecting the terminal 6 to the +24Vdc. The SYS TEST command must be sent to SR X connecting terminal 6 to the 24VDC for a time t>40 msec and remains operative as long as the terminal 6 is connected to 24VDC. -
Page 14: Characteristics Of The Output Circuit
SAFETY RELAY MODULE SR X CHARACTERISTICS OF THE OUTPUT CIRCUIT For the output circuit, the Safety Relay Module uses two guided contact safety relays. These relays are rated by the manufacturer for voltage and current values above those indicated in the technical data; however, to assure correct insulation and to avoid damage or premature aging, protect each output line with an appropriate fuse (depending on the load). -
Page 15: Status Indicators / Fault Diagnosis
SAFETY RELAY MODULE SR X STATUS INDICATORS / FAULT DIAGNOSIS NORMAL OPERATION COLOR STATUS CONDITION Photocell 1 free Green Photocell 1 intercepted or not present Fault detected * Green/ IN2/FAIL GREEN Photocell 2 free Photocell 2 intercepted or not present... -
Page 16: Technical Data
SAFETY RELAY MODULE SR X TECHNICAL DATA SAFETY DATA VALUE STANDARD Type 2 EN 61496-1: 2020 SIL 1 EN 61508:2010 Safety level SILCL 1 EN 62061:2005 / A2:2015 Cat.2 EN ISO 13849-1: 2015 Performance level PL c EN ISO 13849-1: 2015... -
Page 17: Dimensions
SAFETY RELAY MODULE SR X CONNECTIONS / OPERATION Operating modes Manual or Automatic, selectable from terminal block Connections 16 Terminal block with protection against reversal of polarity Status indicators LED: Input – Output Status – Fail Max. length of connections... -
Page 18: Indications And Information For Environmental Protection
In each individual Member State of the European Union this product is required to be disposed of in accordance with Directive 2012/19/EU as implemented in the Member State where the product is disposed of. For further information please contact ReeR or your local dealer. 8541411 - 26/09/2023 Rev.2... -
Page 19: Warranty
SAFETY RELAY MODULE SR X WARRANTY ReeR warrants that each SR X unit in new ex-factory condition, in conditions of normal use, is free of defects in the materials and of manufacturing defects for a period of 12 (twelve) months. -
Page 20: Ec Declaration Of Conformity
SAFETY RELAY MODULE SR X EC DECLARATION OF CONFORMITY 8541411 - 26/09/2023 Rev.2... -
Page 21: Ukca Declaration Of Conformity
SAFETY RELAY MODULE SR X UKCA DECLARATION OF CONFORMITY ReeR declares that SR X Safety Relay module complies with following UK legislation: • S.I. 2008 No. 1597 - The Supply of Machinery (Safety) Regulations • S.I. 2016 No. 1101 - Electrical Equipment (Safety) Regulations •... - Page 22 SAFETY RELAY MODULE SR X Via Carcano, 32 10153 Torino, Italy T +39 011 248 2215 F +39 011 859 867 www.reersafety.com info@reer.it All R R product manuals are available at URL https://www.reersafety.com/it/en/download/manuals 8541411 - 26/09/2023 Rev.2...
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