Time Control Technique

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Time Conrol Technique muliimer Mulifuncion Relay MK 785N/2 23928 Your Advanages Up o 1 funcions in one uni Simplified sorage Increased flexibiliy Quick seing of long ime values Opions wih Pluggable

Inser a screwdriver in he side recess of he fron plae. 3. Turn he screwdriver o he righ and lef. 4. Please noe ha he erminal blocks have o be mouned on he belonging plug in erminaions.

- Pulse forming funcion () - Fleeing on break () - Delay on energisaion and de-energisaion ( / ) 8 ime ranges from.2 s o 3 h selecable via roaional swiches Volage range AC/DC 12.

posiion and ime delay Wire connecion: also 2 x 1.5 mm 2 sranded ferruled, or 2 x 2.

5 mm widh MK 785N/5: as MK 785N/2 bu wih 2 addiional funcions: - Cyclic imer, sar wih break (TP) - Fleeing on make and break (EW / ) second ime seing 2 for funcions - Cyclic imer, sar wih pulse (TI)

1 Time Conrol Technique muliimer Mulifuncion Relay MK 785N/ Your Advanages Up o 1 funcions in one uni Simplified sorage Increased flexibiliy Quick seing of long ime values Opions wih Pluggable Terminal Blocks Screw erminal (PS/plugin screw) Noes Cageclamp (PC/plugin cageclamp) Removing he erminal blocks wih cage clamp erminals 1. The uni has o be disconneced. 2. Inser a screwdriver in he side recess of he fron plae. 3. Turn he screwdriver o he righ and lef. 4. Please noe ha he erminal blocks have o be mouned on he belonging plug in erminaions. Feaures According o C/EN funcions seable via roaional swich: - Delay on energisaion () - Fleeing on make (EW) - Delayed pulse () - Flasher, sar wih pulse (BI) - Delay on de-energisaion () - Pulse forming funcion () - Fleeing on break () - Delay on energisaion and de-energisaion ( / ) 8 ime ranges from.2 s o 3 h selecable via roaional swiches Volage range AC/DC V Wih ime inerrupion / ime adding inpu for all funcions Suiable for 2-wire proximiy sensor conrol 2 changeover conacs, one programmable as insananeous conac LED indicaors for operaion, conac posiion and ime delay Wire connecion: also 2 x 1.5 mm 2 sranded ferruled, or 2 x 2.5 mm 2 solid DIN /-2/-3/-4 as opion wih pluggable erminal blocks for easy exchange of devices - wih screw erminals - or wih cage clamp erminals 22.5 mm widh MK 785N/5: as MK 785N/2 bu wih 2 addiional funcions: - Cyclic imer, sar wih break (TP) - Fleeing on make and break (EW / ) second ime seing 2 for funcions - Cyclic imer, sar wih pulse (TI) or break (TP), based on he separae seing of pulse and break ime he flasher funcion can be used as cyclic imer - Fleeing on make and break (EW/) - Delay on energisaion and de-energisaion ( / ) - Delay pulse () and seing of pulse lengh Connecion faciliy for 2 exernal poeniomeers Approvals and Marking * Canada / USA АЕ68 * see varians Applicaion Time-dependen conrollers Indicaors green LED: yellow LED "R/": -Coninuously off: -Coninuously on: -Flashing (shor on, long off) -Flashing (long on, shor off) on when volage conneced shows saus of oupu relay and ime delay: oupu relay no acive; no ime delay oupu relay acive; no ime delay oupu relay no acive; ime delay oupu relay acive; ime delay en / 276

2 Funcion Diagram Funcion Diagram posiion funcion swich U H - U S B1- a b c d posiion funcion swich 1 2 UH - US B1- EW 1 1 a b c d 1=a+b+c 1=a+b+c UN UN 1 2 EW = a + b + c = a + b + c 3 S1: A* S1: B* 1 1 2,5s 1=a+b+c,5s +d e f 1=a+b+c 2=e+f 3 4 BI,5s = a + b + c e = a + b + c,5s + d f = e + f 4 TI S1: A* TP S1: B* =a+b+c 2=e+f g h i 2=a+b+g 1=h+i U H - UH - UN U S B1- U S B / 7 S1: A* EW/ S1: B* M829 8 / M8291 *)A and B indicae he posiion of funcion slide swich S1 MK 785N/2... = posiion of funcion swich = Delay on energisaion EW = Fleeing on make BI = Delayed pulse = Flasher, sar wih pulse = Delay on de-energisaion = Pulse forming funcion = Fleeing on break / = Delay on energisaion and de-energisaion MK 785N/5... = posiion of funcion swich = Delay on energisaion EW = Fleeing on make TI TP = Delayed pulse S1 in posion A: 1: adjusable, 2 =.5 s fixed S1 in posiion B: 1 and 2 adjusable = Cyclic imer, sar wih pulse S1 in posiion A = Cyclic imer, sar wih break S1 in posiion B = Delay on de-energisaion = Pulse forming funcion = Fleeing on break S1 in posiion A EW/ = Fleeing on make and break S1 in posiion B / = Delay on energisaion and de-energisaion en / 276

3 Circui Diagrams Noes B1 B1 21 (+) 21 Z1 B1 Z1 B1 21 (+) Z1 21 Conrol inpu B1 The funcions,,, / have o be conrolled via inpu B1 (+) wih volage agains. The conrol signal could be he same as he auxiliary/conrol volage of or any oher volage beween 12 and V AC or DC. Operaing a parallel load beween B1 and is also possible. If wih funcion he inpus and B1 are conrolled simulaneously a pulse wih he adjused lengh is sared. Wih he varian MK 785N/5 he oupu pulse can be disabled by seing he slide swich in Posiion "B" MK 785N.82/2 X M81_a X1 MK 785N.82/ M8676_a Time inerrupion and ime addiion wih On all funcions, also wih,, (EW/) and AB/ he ime delay can be inerruped during iming by bridging he erminals -. By opening he bridge he ime coninues (ime addiion). While and are bridged he conrol inpu is disabled and he yellow LED remains in he sae i had a sop. No exernal volage mus be conneced o and as he uni may be damaged. B1 Z1 Z Z1 Z MK 785N.82/5 B1 21 (+) X1 Z1 Z M811_a Remoe poeniomeers Boh seings on varian MK 785N/5 can also be made by remoe poeniomeers of 1 kohms: - erminals Z1 - : poeniomeer for ime 1 - erminals - Z3: poeniomeer for ime 2 When connecing a remoe poeniomeer he corresponding poeniomeer has o be se o min. If no remoe poeniomeers are required he erminals Z1- resp. -Z3 have o be linked. The wires o he remoe poeniomeers should be insalled separaely from he lines wih mains volage. If his is no possible, a screened cable is recommende where he shield is conneced o. To erminals Z1, and Z3 no exernal volage mus be conneced, as he uni migh be damaged. Addiional funcion Wih he varian MK 785N/5 addiional feaures can be seleced for he funcions posiion 3, 4 and 7 using he slide swich S1 on he relay fron in posiion "B". A he same ime a second ime seing 2 is available on he lower poeniomeer (see Funcion Diagram) he ime range is he same as for 1. Noes Seing Conrol of - wih proximiy sensors The inpu can be conrolled by DC 3 wire or AC/DC 2 wire proximiy sensors. For operaing volage > V and usage of sensors wihou buil-in shor circui proecion a proecion resisor on is recommendend o reduce he inrush curren. The dimension is as follows: R v operaing volage / max. swiching curren of sensor The series resisor mus no be seleced higher han necessary. Max. values are: Operaing volage: 48 V 6 V 11 V 23 V Series resisor R v max: 27 Ω 39 Ω 68 Ω 1.8 kω (1 W) Insananeous conac By exernal wire links he oupu funcion of he device can be alered from 2 delayed conacs o 1 delayed and 1 insananeous conac. The conac --27 is delayed wihou bridge on X1-, i is insananeous wih bridge on X1-. The legend erm is The insananeous conac swiches when he operaing volage is conneced. To erminals X1 and no oher volage poenials mus be conneced, as he uni migh be damaged. green LED on when volage conneced yellow LED funcion see indicaors slide swich S1 (only wih MK785N/5) Bridge, if exern poeniomeer no used (only for MK785N/3 and /5) range selecor swich ime seing 1 funcion seing ime seing 2 (only wih MK785N/5) Adjusmen assisance The flashing period of he yellow LED is 1 s ± 4 % and can be used o adjus he ime. Especially on he lower end of scale and for long imes i is suiable as he muliplicaion facors beween he differen ime ranges are exac wihou olerance. Example: The required ime is 4 min. I has o be adjused wihin range min.the ime check akes oo long as several iming cycles would be necessary for a precise value. For faser adjusmen he seing is made o min. On his range he poeniomeer should be se o.4 min (= sec.). Wih he righ poeniomeer seing he LED mus show flashing cycles. Afer ha he ime range is swiched over o min. and he seing is complee. M832_d Aenion If no remoe poeniomeers a MK 785N/5 are required he erminals Z1- resp. -Z3 have o be linked. Time inerrupion / ime adding wih B1 Wih he funcions, EW, and BI he ime delay can be inerruped by conrolling inpu B1 (+) wih conrol volage. Removing he conrol signal will coninue he iming cycle (ime addiion) en / 276

4 Technical Daa Time circui Time ranges: Time seing 1, 2: Recovery ime: a DC V: a DC V: a AC 23 V: Repea accuracy: Volage and emperaure influence: Inpu Nominal volage : Volage range: Release volage (/) AC 5 Hz: AC 5 Hz: Max. permied residual curren wih 2-wire proximiy sensor conrol (-) up o AC/DC V: up o AC/DC 4 V: Conrol curren B1: range Min. on/off ime of conrol inpu B1(+): AC 5 Hz: 8 ime ranges in one uni, seable via roaional swich s min s min s h min h coninuous, 1:1 on relaive scale (2 only a MK 785N/5) approx. ms approx. 5 ms approx. 8 ms ±.5 % of seleced end of scale value + 2 ms < 1 % wih he complee operaing range AC/DC V Delayed conac approx. 7.5 V approx. 7 V Insananeous conac approx. 3 V approx. 3.3 V AC resp. DC 5 ma AC resp. DC 3 ma approx. 1mA, over complee volage approx. ms / approx. 6 ms approx. 5 ms / approx. 6 ms Release volage (B1/) AC 5 Hz: approx. 3.5 V approx. 3 V Nominal power consumpion AC 12 V: approx. 1.5 VA AC V: approx. 2 VA AC V: approx. 3 VA DC 12 V: approx. 1 W DC V: approx. 1 W DC V: approx. 1 W Nominal frequency: Hz Oupu Conacs MK 785N.82: wihou bridge X1-: wih bridge X1-: Thermal curren I h : 2 changeover conacs, one programmable as insananeous conac: --28 delayed changeover conac insananeous conac a on - see quadraic oal curren limi curve (max. 4 A per conac) Swiching capaciy o AC NO conac: 3 A / AC 23 V C/EN NC conac: 1 A / AC 23 V C/EN o DC 13: 1 A / DC V C/EN Elecrical life C/EN o AC a 1 A, AC 23 V: 1.5 x 1 5 swiching cycles Shor circui srengh max. fuse raing: 4 A gl C/EN Mechanical life: 3 x 1 6 swiching cycles Technical Daa General Daa Operaing mode: Coninuous operaion Temperaure range: C Clearance and creepage disances raed impuls volage / polluion degree: 4 kv / 2 C EMC Elecrosaic discharge: 8 kv (air) C/EN HF-irradiaion: 3 V / m C/EN Fas ransiens: 2 kv C/EN Surge volages beween wires for power supply: 2 kv C/EN beween wire and ground: 4 kv C/EN HF-wire guided: 1 V C/EN Inerference suppression: Limi value class B EN Degree of proecion Housing: IP 4 C/EN Terminals: IP 2 C/EN Housing: Thermoplasic wih V behaviour according o UL subjec 94 Vibraion resisance: Ampliude.35 mm, frequency Hz, C/EN Climae resisance: 4 / 6 / 4 C/EN Terminal designaion: EN 5 5 Wire connecion DIN /-2/-3/-4 Screw erminals (inegraed): Insulaion of wires or sleeve lengh: 8 mm Plug in wih screw erminals max. cross secion for connecion: Insulaion of wires or sleeve lengh: Plug in wih cage clamp erminals max. cross secion for connecion: 1 x 4 mm 2 solid or 1 x 2.5 mm 2 sranded ferruled or 2 x 1.5 mm 2 sranded ferruled or 2 x 2.5 mm 2 solid 1 x 2.5 mm 2 solid or 1 x 2.5 mm 2 sranded ferruled 8 mm min. cross secion for connecion:.5 mm 2 Insulaion of wires 1 x 4 mm 2 solid or 1 x 2.5 mm 2 sranded ferruled or sleeve lengh: 12 ±.5 mm Wire fixing: Plus-minus erminal screws M 3.5 box erminals wih wire proecion or cage clamp erminals Wire fixing: Box erminals wih wire proecion Mouning: DIN rail C/EN 6 7 Weigh: approx. g Dimensions Widh x heigh x deph MK 785N/2: MK 785N/2 PC: MK 785N/2 PS: UL-Daa Swiching capaciy: Ambien emperaure 6 C: Wire connecion: Screw erminals fixed: Plug in screw: Plug in cage clamp: nfo 22.5 x 9 x 97 mm 22.5 x 111 x 97 mm 22.5 x 14 x 97 mm Pilo duy B3 5A Vac G.P. 6 C / 75 C copper conducors only G 2-12 Sol/Sr Torque.8 Nm G 2-14 Sol Torque.8 Nm G 2-16 Sr Torque.8 Nm G 2-12 Sol/Sr Technical daa ha is no saed in he UL-Daa, can be found in he echnical daa secion en / 276

5 Sandard Type MK 785N.82/2 AC/DC V Aricle number: 545 Oupu: 2 changeover conacs, one programmable as insananeous conac Nominal volage : AC/DC V Time ranges: from.2 s... 3 h Widh: 22.5 mm Varians MK 785N.82/3: MK 785N.82/5: 8 funcions wih connecion faciliy for 1 remoe poeniomeer 1 kω (1). second ime seing 2, connecion faciliy for 2 remoe poeniomeers 1 kω o adjus 1 and 2, 2 addiional funcions selecable via slide swich S1: - Cyclic imer, sar wih break (TP) - Fleeing on make and break (EW/) Accessories AD 3: Degree of proecion fron side: IP 6 Exernal poeniomeer 1 kω Aricle number: The exernal poeniomeer is used for remoe seing of he ime delay. The inernal poeniomeer of he imer mus be se o min. ime delay. Ordering example for varians MK 785N.82 / _ /61 AC/DC V Nominal volage wih UL-approval (Canada / USA) Varian Type of erminals wihou indicaion: erminal blocks fixed, wih screw erminals PC (plug in cage clamp): pluggable erminal blocks wih cage clamp erminals PS (plug in screw): pluggable erminal blocks wih screw erminals Conacs Type Characerisics I 2 (A 2 ) M1875 T( C) device mouned away from hea generaion componens. device mouned wihou disance heaed by devices wih same load. quadraic oal curren limi curve en / 276

6 Connecion Examples L(+) S1 AC/DC12...V N(-) S2 B1(+) MK785N volfree conrol conac (sop funcion) M5794 L(+) S1 S2 B1(+) MK785N N(-) M8127 Conrol wih parallel conneced load L(+) AC/DC12...V DCV S1 B1(+) e.g. PLC semiconducor oupu MK785N N(-) M8292 Connecion wih 2 differen conrol volages. E. DOLD & SÖHNE KG D Furwangen PO Box 11 Telephone (+49) / 654- Telefax (+49) / dold-relays@dold.com inerne: hp:// en / 276

Time Control Technique

Time Control Technique Time Conrol Technique MULTITIMER Mulifuncion Relay MK 785N/2 23928 Your Advanages Up o 1 funcions in one uni Simplified sorage Increased flexibiliy Quick seing of long ime values Circui Diagrams B1 22