1 operating data operating voltage u b dc 24 v (18...32 v) current ratings i n adjustable ratings: 1 a through 10 a in 1 a steps standby current i 0 in on condition: typically 25 ma with version -103/-115/-125 typically 20 ma with version -114/-117/- 124/-127 visual status multicoloured led: indication green: - load circuit connected flashing (green/yellow): - load current warning limit reached 80% yellow: - overload or short circuit until disconnection red: - after disconnection due to overload, short circuit or temperature - after undervoltage disconnection in on condition of operating voltage with auto- matic reset flashing (red/off): - upon changed rating adjustment off: - devices switched off via on/off switch - no operating voltage with on/off switch in on condition load circuit load output power mosfet switching output (plus switching) load current typically 0.8 x i n warning limit (i limit ) hysteresis typically 5% overload disconnection typically 1.2 x i n (1.05...1.35 x i n ) (i ol ) (see time/current characteristic) short circuit current (i sc ) active current limitation with i sc = typically 2.5 x i n , 1 a typically 1.4 x i n , 2 a -10 a (see time/current characteristic) trip times at overload disconnection (i ol ) = typ. 3 s at short circuit current (i sc ) = typically 0.1 s (see time/current characteristic) temperature internal temperature monitoring with monitoring electronic disconnection disconnection typically +100 c hysteresis typically 10 c operating voltage off at typically u b < 16.0 v monitoring with regard on at typically u b > 17.5 v to low voltage with automatic on and off switching description technical data (t amb = 25 c, u b = dc 24 v) esx10-s the model esx10-sxxx extends our product group of electronic overcurrent protection devices for dc 24 v applications. at a width of only 12.5mm it provides selective protection for all dc 24 v load circuits. this is achieved by a combination of active elec - tronic current limitation in the event of a short circuit and overload disconnection typically from 1.2 times rated current. the esx10-s is a plug-in type and thus allows quick and easy installation for groups of devices with several circuits on the power distribution systems module 17plus and svsxx. dc 24 v switch-mode power supplies are widely used in automation today. in the event of an overload, however, they turn down the output voltage which is intended to power all connected loads. so if there is a failure in a single load of the system, the supply voltage will break down also in all other load circuits. not only does this frequently cause undefined fault conditions, but it can even lead to machine stoppages or system downtimes. this is exactly where the esx10-s comes in by responding to the overload conditions faster than the switch-mode power supply. the max. possible overcurrent is limited to typically 1.4 times rated current (see table 1). this allows switching on capacitive loads of up to 20,000 f, but a disconnection will only be effected in the event of an over - load or short circuit. for adjustment to the load conditions the current rating can be selected by means of a rotary switch from 1a to 10a. status and failure indication is by means of a multi-coloured led, an integral short circuit proof status output (single or group alarms) or via a potential-free relay contact (change-over contact). remote actua - tion is possible via a remote reset signal. the manual on/off switch on the device itself allows start-up of certain individual load circuits. as soon as the esx10-s detects overload or short circuit in its load circuit, it blocks the load output transistor and disconnects the current flow in the faulty circuit. after remedy of the failure, the load output of the esx10-s is re-activated by an electronic reset signal or manually by actuating the on/off switch on the device. us patent number: us 6,490,141 b2 features and benefits approvals l selective load protection, electronic trip curve l all types of loads can be connected (dc 24 v motors upon request) l active current limitation when switching on capacitive loads up to min. 20,000 f and in case of overload/short circuit l whole-number adjustable current ratings from 1a to 10 a by means of rotary switch l reliable overload disconnection typically from 1.2 x i n even with long load lines or small cable cross sections l manuel on/off switch (s1) l clear status indication by means of led, electronic status output sf or signal output f (potential-free auxiliary contact) l electronic reset input re, control input in l integral fail-safe-element l width per channel only 12.5 mm l plug-in type mounting on power distribution system module 17plus and svsxx. authority standard rated voltage current ratings ul ul 2367 dc 24 v 1...10 a ul ul 508 c22.2 no 14 dc 24 v 1...10 a www.e-t-a.de electronic circuit protector esx10-sxxx-dc24v-1a-10a 1646 4
2 technical data (t amb = 25 c, u b = dc 24 v) technical data (t amb = 25 c, u b = dc 24 v) switch-on delay t start typically 0.1 s - after each on operation, reset and after applying of u b - during switch-on delay the load circuit is disconnected. disconnection of - manually on the device with the load circuit on/off switch (off) - after disconnection due to overload or short circuit - temporarily at undervoltage - at excess temperature of the device - upon changed rating adjustment - at no operating voltage leakage current in load typically < 1 ma circuit in the off condition capacitive loads min. 20,000 f free-wheeling diode external free-wheeling diode recommended for inductive load parallel connection of several load outputs not allowed status output sf esx10-s114 / -s124 electrical data plus switching signal output, connects u b to terminal sf rated data: dc 24 v / max. 0.2 a (short circuit proof) the status output is connected internally with a 10 kohm resistor against 0 v status out (-s114/-s124) esx10-s114/-s124 (signal status out), at ub = + 24 v normal condition: + 24 v s1 is on, load output connected fault condition: 0 v s1 is on, load output blocked or in the event of manual dis- connection (s1 is off) red led lighted 0 v no operating voltage u b status output sf esx10-s117/-s127 electrical data plus switching signal output, connects u b to terminal sf rated data: dc 24 v / max. 0.2 a (short circuit proof) the status output is locked internally with a 10 kohm resistor against 0 v. status out (-s117/-s127) esx10-s117/-s127 (signal status out inverted), at u b = + 24 v standard condition: 0 v on/off switch is on, load output connected through fault condition: + 24 v on/off switch is on, load output locked or with manual disconnection on/off switch is off 0 v no operating voltage u b control input in+ esx10-s114 / -s115 / -s117 electrical data voltage max. dc 32 v high> dc 8 v < dc 32 v low < dc 3 v > 0 v current consumption typically 2.6 ma (dc 24 v) control input in+ +24 v level (high): device is switched on by a remote on/off signal. 0 v level (low) device is switched off by a remote on/off signal. switch s1 on/off device can only be switched on when a high level is applied to in+ reset function a blocked load output (blocked by overload/ short circuit) can externally be reset by the control input for this purpose the control input has be switched off for at least 100 ms and switched on again afterwards. reset input re esx10-124/-125/-s127 electrical data voltage max. + dc 32 v high > dc 8 v dc 32 v low dc 3 v > 0 v current consumption typically 2.6 ma (+ dc 24 v) reset C pulse / edge from low > 100 ms on high > 100 ms reset signal re by means of the reset signal the electronically locked esx10-s124/- s125/-s127 can be remotely reset via an external momentary switch or via the plc. a joint reset signal can also be applied to more than one device at a time. devices in on condition will remain unaffected. signal output f esx10-s103 electrical data potential-free auxiliary change-over contact max. dc 30 v / 0.5 a min. 10 v / 10 ma standard condition: sc/so (13/14) closed sc-si (13/12) open load output connected through fault condition: sc/so (13/14) open sc-si (13/12) closed load output locked signal output f esx10-s115 / -s125 electrical data potential-free auxiliary make contact max. dc 30 v / 0.5 a min. 10 v / 10 ma normal condition: sc/so (13/14) closed load output connected fault condition: sc/so (13/14) open load output locked general characteristics fail-safe-element integral fail-safe-element 15 a max. rupture capacity of the element is 300 a at 24 v dc terminals line+ / load+ / 0v / (re / in+ / sf) or (sc / so / si) blade terminals 6.3 mm to en60934-6.3-0.8 housing material moulded mounting method plug-in type onto module 17plus and svsxx ambient temperature 0...+50 c (without condensation, cf. en 60204-1) storage temperature -40...+70 c humidity 96 hrs / 95% rh 40c to iec 60068-2-78-cab climate class 3k3 to en 60721 vibration 3g test to iec 60068-2-6, test fc , degree of protection iec 60529, din vde 0470) operating area ip30 terminal area ip00 emc requirements emission: en 61000-6-3 (emc directive, ce logo) susceptibility: en 61000-6-2 insulation co-ordination 0.5 kv / pollution degree 2 (iec 60934) reinforced insulation in operating area dielectric strength max. dc 30 v (load circuit) insulation resistance n/a, only electronic disconnection (off condition) approvals ce logo ul 2367, file # e306740, solid state overcurrent protectors ul 508, file # e322549 dimensions (w x h x d) 12.5 x 70 x 60 mm (tolerances to din iso 286 part 1 it13) mass approx. 40 g electronic circuit protector esx10-sxxx-dc24v-1a-10a electronic circuit protector esx10-sxxx-dc24v-1a-10a www.e-t-a.de 1646 4
3 type no. esx10 electronic circuit protector, with current limitation mounting s plug-in, with rotary switch for 10-step current rating adjustment from 1 a to 10 a version 1 without physical isolation signal input 0 without signal input (only version -s103) 1 control input i n (only version -s114/-s115/-s117) 2 with reset input re (only version -s124/-125/-127) signal output: 3 signal change-over contact (only version -s103) 4 status output sf (only version -s114/-124) 5 signal contact (only version -s115/-125) 7 status output sf, inverted (only version -s/117/-s127) operating voltage dc 24 v voltage rating dc 24 v current ratings 1 a - 10 a adjustable esx10 - s 1 0 3 - dc 24 v - 1 a-10 a ordering example standard types: esx10-s103-dc24v-1a...10a esx10-s127-dc24v- 1a...10a order numbering code please note l the user has to ensure that the cable cross section of the load circuit in question complies with the current rating of the esx10-s used. l in addition special precautions must be taken in the system or machine (e.g. use of a safety plc) which reliably prevent an automatic re-start of parts of the system (cf. machinery directive 2006/42/eg and en 60204-1, safety of machinery). in the event of a failure (short circuit/overload) the load circuit will be disconnected electronically by the esx10-s. table 1: typical voltage drop, current limitation, max. load current current rating i n typical voltage drop u on at i n active current limitation i limit typically max. load current at 100 % on duty t amb = 40 c t amb = 50 c 1 a 15 mv 2,5 x i n 1 a 1 a 2 a 30 mv 1,4 x i n 2 a 2 a 3 a 45 mv 1,4 x i n 3 a 3 a 4 a 60 mv 1.4 x i n 4 a 4 a 5 a 75 mv 1.4 x i n 5 a 5 a 6 a 90 mv 1,4 x i n 6 a 5 a 7 a 105 mv 1,4 x i n 7 a 6 a 8 a 120 mv 1,4 x i n 8 a 7 a 9 a 135 mv 1,4 x i n 9 a 8 a 10 a 150 mv 1,4 x i n 10 a 9 a note: when mounted side-by-side without convection, the devices should carry max 80% of their rated load continuously (100 % on duty). i k 10000 1000 1 2 4 trip time in sec ... times rated current 100 10 1 0, 1 0,01 3 5 0 5 overload disconnection typically 1.2 x i n short circuit current limitation typ. 2.5 x i n with i n 1 a typ. 1.4 x i n with i n 2 a to 10 a time/current characteristic curve (t amb = 25 c, u b = dc 24 v) l without the current limitation there would be a much higher overcurrent in the event of an overload or short circuit. schematic diagram esx10-s127 (example) failsafe r sense e dc 24 v ad lo output gnd (-) sf status output re reset input re reset input operating condition s1 on/off electronic control unit current rating adjustment www.e-t-a.de electronic circuit protector esx10-sxxx-dc24v-1a-10a 1646 4 electronic circuit protector esx10-sxxx-dc24v-1a-10a
4 wiring diagrams 1 line+ failsafe signal 11 gnd 13 sc 14 so 12 si 2 load+ 1 line+ failsafe 11 gnd 13 in+ 14 in+ 12 sf 2 load+ status out contr ol in ^ ^ 1 line+ failsafe signal contr ol in signal reset in 11 gnd 13 sc 14 so 12 in+ 2 load+ 1 line+ failsafe 11 gnd 13 in+ 14 in+ 12 sf 2 load+ status out contr ol in ^ ^ 1 line+ failsafe 11 gnd 13 re 14 re 13 re 14 re 12 sf 2 load+ 1 line+ failsafe 11 gnd 13 sc 14 so 12 re 2 load+ status out reset in reset in ^ ^ 1 line+ failsafe 11 gnd 2 load+ ^ 12 sf status out the auxiliary contacts are shown in the off or fault condition standard condition: sc/so closed, sc-si open fault condition: sc/so open, sc-si closed standard condition: sc/so closed fault condition: sc/so open standard condition: sc/so closed fault condition: sc/so open standard condition: sf 0 v = ok fault condition: sf +24 v standard condition: sf+24v = ok fault condition: sf 0v standard condition: sf 0v = ok fault condition: sf +24v standard condition: sf +24v = ok fault condition: sf 0v esx10-s103 without signal input with signal output f (group signal, change-over) esx10-s115 with signal input in+ with signal output f (group signal, n/o) esx10-s124 with reset input re with status indication sf esx10-s127 with reset input re with status indication sf inverted esx10-s114 with signal input in+ with status indication sf esx10-s117 with signal input in+ with status indication sf inverted esx10-s125 with reset input re with signal output f (group signal, n/o) electronic circuit protector esx10-sxxx-dc24v-1a-10a electronic circuit protector esx10-sxxx-dc24v-1a-10a www.e-t-a.de 1646 4
5 dimensions esx10-s 60 6x6,8 = 40,8 re verse plug-in pr otection blade terminals en 60934-6,3-0,8 installation ar ea operating ar ea electr onic overc urr ent pr otector esx10-s1xx-dc24v -1a-10a 6,8 70 10,3 12,3 made in german y xxxx on o a esx10 -s1xx - dc24v r e s e t all dimensions without tolerances are for reference only. in the interest of improved design, performance and cost effectiveness, the right to make changes in these specifications with - out notice is reserved. product markings may not be exactly as the ordering codes. errors and omissions excepted. accessories line (+ ) load (+ ) gn d re re si i > ok on / of f control uni t failsaf e slot for busbar module right-side terminal block left-side terminal block slot for fitting labels from phoenix, weidmller, wieland 63 115 47 42.5 70 57 6 25 25 max. 38 11 14 17 plus 11 14 2 12 12 1 line 1 line 2 g-profile en 50035-g32 symmetrical rail en 50022-35x7.5 2.75 1.85 1.67 2.48 4.53 2.24 .236 max. 1.50 .984 .984 module 17plus for technical data see section power distribution systems www.e-t-a.de electronic circuit protector esx10-sxxx-dc24v-1a-10a 1646 4 electronic circuit protector esx10-sxxx-dc24v-1a-10a
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