This symbol indicates an important warning. OVERVIEW The SR E4 Safety Relay is able to monitor two inputs coming from safety gate, safety guard or similar (two channels electromechanical safety switch). The SR E4 module main features are the following: •...
Figure 2 – Manual operation with K1 K2 relays SIMULTANEITY CHECK The SR E4 Safety Relay module is able to monitor two inputs coming from a safety gate, safety guard or similar (two channels electromechanical safety switch). Short circuit between the two channels or between the channels and 24VDC are detected by means of the OUT TEST1, OUT TEST2 signals generated by the safety relay.
Terminal tightening torque: 5...7lb-in (0,6...0,7 Nm). Figure 3 Install SR E4 in an enclosure with a protection class of at least IP54. Connect the safety relay module when it is not powered. The supply voltage to the units must be 24 20% VDC; PELV (in compliance with the standard EN 60204-1 (Chapter 6.4)).
Safety relay A, contact 2 (N.O.) Table 1 CHECKLIST AFTER INSTALLATION The SR E4 Safety Relay Module is able to detect in real time the faults. To guarantee the system perfect operation perform the following checks at start up and at least every year:...
SAFETY RELAY MODULE SR E4 INPUT AND OUTPUT THE RESTART COMMAND The RESTART command allows SR E4 to manage Manual operation. The RESTART command must be installed outside the danger area in a position where the danger area and the entire work area concerned are clearly visible.
SAFETY RELAY MODULE SR E4 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).
SAFETY RELAY MODULE SR E4 STATUS INDICATORS NORMAL OPERATION COLOR STATUS/COLOR CONDITION Input contact1 CLOSED Green Input contact1 OPEN Fault detected IN2/ GREEN Input contact2 CLOSED Green FAIL Input contact2 OPEN Output relays opened The number of blinks show the type...
SAFETY RELAY MODULE SR E4 TECHNICAL DATA SAFETY DATA VALUE STANDARD SIL 3 EN 61508:2010 Safety level SILCL 3 EN 62061:2005 / A2:2015 Cat.4 EN ISO 13849-1: 2015 Device lifetime 20 years EN ISO 13849-1: 2015 Certifications cULus, TÜV MTTFd #...
SAFETY RELAY MODULE SR E4 ENCLOSURE DATA VALUE Description Electronic housing 16 pole, with locking latch mounting Enclosure protection rating IP 20 Terminal block protection rating IP 2X Fastening Fast attachment to rail according to CEI EN 60715 Dimensions (h x w x d)
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. 8541413 - 19/09/2022 Rev.1...
ReeR therefore declines any responsibility for all and anything resulting from failure to comply with all or some of the aforesaid instructions. Characteristics are subject to change without prior notice. No part of this document may be reproduced unless authorised by ReeR. 8541413 - 19/09/2022 Rev.1...
SAFETY RELAY MODULE SR E4 UKCA DECLARATION OF CONFORMITY ReeR declares that SR E4 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 •...
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SAFETY RELAY MODULE SR E4 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 8541413 - 19/09/2022 Rev.1...
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