safety monitoring relays h a go to the engineering guide for in-depth information on safety standards and use. sr107ad, sr108ad and sr109ad power requirementsthe sr107ad, sr108ad and sr109ad will accept 24 vac/dc inputsthe sr107ad, sr108ad and sr109ad will accept single or dual n/c inputs or dual pnp solid-state inputs from a light curtain (see sr102am for application wiring for a light curtain) outputsthe sr107ad, sr108ad and sr109ad have a total of 4 n/o outputs with 3, 2 or 1 of the outputs with a time delay of 1-30 sec. external device monitoring (edm) is provided with a n/c loop between s12 and s21 on the sr107ad, sr108ad and sr109ad reset modea monitored manual start or an auto/manual start may be confgured with the sr107ad, sr108ad and sr109ad. monitored manual reset requires closure of the reset circuit followed by opening of the circuit. reset occurs when circuit is opened. auto reset requires only closure of the reset circuit as reset occurs when circuit is closed. conforms to en60204-1, en954-1, en292, vde 0113-1 ul and c-ul listed, bg approved sr107ad, sr108ad and sr109ad plc compatiblethe n/o off delayed outputs make it possible to use the sr107ad, sr108ad and sr109ad on machines with programmable logic controllers that require some time to execute an orderly shutdown dual channel safety monitoring relay r c us
safety monitoring relays h application sr107ad, sr108ad and sr109ad terminal connections and output contact arrangements 24vac/dc, 110vac, 230vac 11 21 33 12 22 34 t5009 interlock switch k1 (aux) k2 (aux) start momentar y push butto n stop momentary push button fuse k1 k2 m k1 k2 l1 l2 l3 contact protection e.g. thermal cut out reset momentary push button eb series latching e-stop button relay control and fault monitoring power supply (s11 = 24 v) a2 a1 s11 s21 13 23 14 k1 k2 k3 k4 24 s10 s13 s12 s14 fuse 37 38 47 48 guard closed sr108 timer pin assignment a2 a1 u b 0v +u b dc n l1 ac 13 14 27 28 37 38 47 48 sr107ad 14 28 38 48 s12 s13 s10 a2 a1 s11 s14 s21 13 27 37 47 14 24 38 48 s12 s13 s10 a2 a1 s11 s14 s21 13 23 37 47 14 24 34 48 s12 s13 s10 a2 a1 s11 s14 s21 13 23 33 47 sr108ad 13 14 23 24 33 34 47 48 sr109ad 13 14 23 24 37 38 47 48 see the sr102am for wiring to a light curtain ?
safety monitoring relays h a go to the engineering guide for in-depth information on safety standards and use. a2 a1 s11 s21 13 23 14 24 s10 s13 s12 s14 37 38 47 48 relay control and fault monitoring power supply (s11 = 24 v) k1 k2 k3 k4 sr108 timer pin assignment a2 a1 u b 0v +u b dc n l1 ac dimensions mm/in. block diagram sr107ad, sr108ad and sr109ad suitable for 35mm din rail acc. to din en 50022-35 114 4.49 22.5 0.885 99 3.9
safety monitoring relays h specifcations e lectrical all m odels s r 107ad s r 108ad s r 109ad power supply: 10%, 50-60 hz, 24 vac/dc power c onsumption: 4.6 w safety i nputs: 1 n/c or 2 n/c m ax i nput r esistance: 800 ohms per channel outputs: 1 n/o + 3 n/o delayed 2 n/o + 2 n/o delayed 3 n/o + 1 n/o delayed auxiliary outputs: none m ax switched a c : inductive ac-15, 3 a/250 vac; resistive ac-12, 8 a/250 v m ax switched d c : inductive dc-13, 3 a/24 vdc; resistive dc-12, 8 a/50 v m in switched c urrent/voltage: 10 ma/24 v i mpulse withstand voltage: 2500 v m ax drop-out t ime: 10 ms (75 ms by removing supply voltage) m ax output f use: 8 a quick-acting fuse or 6 a slow-acting fuse start m ode: monitored manual (s11-s21) or auto/manual (s12-s21) e xternal device m onitoring ( e d m ): n/c loop between s12 and s21 m echanical m ounting: 35 mm (1.38 in.) din rail c ase m aterial: polyamide pa6.6 m ax wire size: 1 x 2.5 mm 2 (14 awg) stranded weight: 250 g (8.8 oz.) c olor: red e xternal switches: output delay adjustment (1 to 30 sec.) i ndication: 4, status displays for relays k1 to k4 m echanical l ife: 1 x 10 6 operations e nvironmental e nclosure protection: ip20 terminals, ip40 (nema 1) housing operating t emperature: -15 to 40c (-5 to 140f) h umidity: 93% rh at 104c (219f) c ompliance standards: en60204-1, en954-1, vde 0113 part 1 approvals/ l istings: ce-marked for all applicable directives, ul and c-ul, bg safety c ategory: cat. 4 per en954-1 (sr107, sr108, sr109 internal operation) specifcations are subject to change without notice. note: the safety contacts of the omron sti switches are described as normally closed (n/c)i.e., with the guard closed, actuator in place, and the machine able to be started. ordering m odel supply i nputs i mmediate outputs delayed outputs part n o. sr107ad01 24 vac/dc 2 n/c 1 n/o 3 n/o 44510-1071 sr108ad01 24 vac/dc 2 n/c 2 n/o 2 n/o 44510-1081 sr109ad01 24 vac/dc 2 n/c 3 n/o 1 n/o 44510-1091 sr107ad, sr108ad and sr109ad
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