specifications are subject to change without notice (06.11.00) 1 product description ordering key multifunction multi-voltage timer with 7 knob-selectable functions and 7 knob-selectable time ranges within 0.1s and 100h. for mounting on din-rail. 17.5 mm wide housing suit- able both for back and front panel mounting. ? selectable timerange 0.1 s to 100 h ? 7 knob selectable functions: op - delay on operate in - interval io - interval on trigger open id - double interval dr - delay on release r - symmetrical recycler on first rb - symmetrical recycler off first ? automatic or manual start ? repeatability: 0.2% ? output: 8 a spdt relay ? for mounting on din-rail in accordance with din/en 50 022 ? 17.5 mm din-rail housing ? combined ac and dc power supply ? led indication for relay status and power supply on output spdt relay rated insulation voltage 250 vac (rms) contact ratings (agsno 2 ) resistive loads ac 1 8 a @ 250 vac dc 12 5 a @ 24 vdc small inductive loads ac 15 2.5 a @ 250 vac dc 13 2.5 a @ 24 vdc mechanical life 3 30 x 10 6 operations electrical life 3 10 5 operations (at 8 a, 250 v, cos j = 1) operating frequency < 7200 operations/h dielectric strength dielectric voltage 2 kvac (rms) rated impulse withstand voltage 2.5 kv (1.2/50 s) output specifications type selection dmb 51 c m24 housing function type item number output power supply mounting output housing supply: 24 vdc and 24 to 240 vac din-rail spdt mini-d DMB51CM24 time specifications time ranges knob selectable 0.1 to 1 s 1 to 10 s 6 to 60 s 60 to 600 s 0.1 to 1 h 1 to 10 h 10 to 100 h setting accuracy 5% repeatability 0.2% time variation within rated power supply 0.05%/v within ambient temperature 0.2%/c reset manual reset of time and/or close the trigger contact relay between pins a1 and y1 pulse duration 3 100 ms power supply interruption 3 200 ms type dmb51 timers
2 specifications are subject to change without notice (06.11.00) dmb51 power on delay 100 ms indication for power supply status led, green output status led, yellow (flashing when timing) environment (en 60529) degree of protection ip 20 pollution degree 2 (iec 60664) operating temperature -20 to +60c, r.h. < 95% storage temperature -30 to +80c, r.h. < 95% weight 75 g screw terminals tightening torque max. 0.5 nm according to iec 60947 approval ul emc electromagnetic compatibillity immunity according to en 50082-2 emission according to en 50082-1 general specifications power supply overvoltage cat. ii rated operational voltage (iec 60664, iec 60038) through terminals: a1, a2 24 vdc 15% and 24 to 240 vac + 10% -15%, 45 to 65 hz voltage interruption 10 ms rated operational power 1.5 w supply specifications upper knob: setting of function: op - delay on operate in - interval io - interval on trigger open id - double interval dr - delay on release r - symmetrical recycler (on first) rb - symmetrical recycler (off first) centre knob: time setting on relative scale: 10 to 110% on full scale lower knob: setting of time range time setting mode of operation function op delay on operate the time period begins as soon as the trigger contact is closed. at the end of the set delay time the relay operates and does not release until the trigger contact is closed again or the power supply is disconnected. if the trigger contact is closed before the end of the delay time, the device resets and a new time period starts. function in interval the relay operates and the time period begins as soon as the trigger contact is closed. the relay releases at the end of this period or when the power supply is disconnected. the relay operates again when the trigger contact is closed again. if the trigger contact is closed before the end of the delay time, the device resets and a new time period starts. function io interval on trigger open the relay operates and the time period begins as soon as the trigger contact is opened. at the end of the set delay or when the power supply is disconnected the relay releases. the relay operates again when the trigger contact is opened again. if the trigger contact is opened before the end of the delay time the relay keeps on and a new time period begins. function id double interval the relay operates and the time period begins as soon as the trigger contact is closed. the relay releases at the end of this period or when the power supply is disconnected. when the trigger contact is opened the relay operates again for the set delay period. if the trigger contact is opened before the end of the first time period the second one begins; if the trigger contact is closed before the end of the second time period the device resets and the first time period begins again. function dr delay on release the relay operates as soon as the trigger contact is closed. the time period begins when the trigger con- tact is opened. the relay releases at the end of the set delay time or when the power supply is disconnect- ed. the relay operates again when the input contact is closed again. if it is opened before the end of the delay time the relay keeps on, a new time period begins as soon as the contact is closed again. function r symmetrical recycler, on- time period first the relay operates and the time period begins as soon as the input contact is closed. after the set delay period the relay releases for the same time period. this sequence continues with equal on- and off-time periods until the power sup- ply is interrupted. function rb symmetrical recycler, off-time period first the time period begins as soon as the input contact is closed. the relay is off during the set delay period, after this time it operates for the same time period. this sequence continues with equal off- and on-time periods until the power sup- ply is interrupted. additional load it's possible to wire an addi- tional load (i.e. a relay) between pins y1 and a2, driven by the trigger contact without damaging the device. yellow led working mode timing: slow blinking relay on: see operation diagrams incorrect knobs position: fast blinking
specifications are subject to change without notice (06.11.00) 3 operating diagrams wiring diagram dmb51 dmb51
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