specifications are subject to change without notice (21.10.00) 1 monitoring relays product description ordering key housing function type item number output power supply range ? trms ac/dc over+under, over+over or under+under voltage monitoring relays ? selection of measuring range by dip-switches ? measuring ranges from 2 to 500 v ac/dc ? adjustable voltage on relative scale ? adjustable hysteresis on relative scale ? adjustable delay function (0.1 to 30 s) ? programmable latching or inhibit at set level ? output: 1 or 2 x 8 a spdt relay n.d. or n.e. selectable ? for mounting on din-rail in accordance with din/en 50 022 (duc01) or plug-in module (puc01) ? 45 mm euronorm housing (duc01) or 36 mm plug-in module (puc01) ? led indication for relay, alarm and power supply on ? galvanically separated power supply type selection mounting output supply: 24 vdc supply: 24/48 vac supply: 115/230 vac din-rail dpdt duc 01 d 724 500v duc 01 d b48 500v duc 01 d b23 500v plug-in spdt puc 01 c 724 500v puc 01 c b48 500v puc 01 c b23 500v input voltage level duc01: terminals y1, y2 puc01: terminals 5, 7 measuring ranges internal resis. max. volt. 2 to 20 v ac/dc > 500 k 350 v 5 to 50 v ac/dc > 500 k 350 v 20 to 200 v ac/dc > 500 k 600 v 50 to 500 v ac/dc > 500 k 600 v max. voltage for 1 s 1000 v note: the input voltage cannot raise over 300 vac/dc with respect to ground (puc01 only) contact input duc01 terminals z1, y1 puc01 terminals 8, 9 disabled > 10 k enabled < 500 latch disable > 500 ms 1-phase true rms ac/dc over and under voltage types duc01, puc01 input specifications output 2 x spdt relays (duc01) 1 x spdt relays (puc01) rated insulation voltage 250 vac 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 3 2 kvac (rms) rated impulse withstand volt. 4 kv (1.2/50 s) output specifications duc 01 d b23 500v duc01 and puc01 are pre- cise trms ac/dc over+under, over+over or under+under voltage (selectable by dip- switch) monitoring relays. the voltage levels are adjustable separately and have their own time delay. owing to the built-in latch function, the on-position of the relay output can be maintained. inhibit function can be used to avoid relay operation when not desired (maintenance, transitions). the led's indicate the state of the alarm and the output relay. duc01 puc01
2 specifications are subject to change without notice (21.10.00) duc01, puc01 mode of operation duc01 and puc01 monitor both ac and dc over+under, over+over or under+under voltage. example 1 (no contact input - under+over voltage - 2 x spdt relays (1 x spdt for puc01)) duc01: one relay operates when the voltage drops below the under voltage set point for more than the respective delay time. it releases when the voltage exceeds the set level plus the set hysteresis. the other relay operates when the volt- age exceeds the over volt- age set point for more than the respective delay time. it releases when the voltage drops below the set level minus hysteresis (the hys- teresis is the same for both set levels). puc01: the relay operates when the voltage drops below the under voltage set level for more than the respective set delay time or when it exceeds the over voltage set level for more than the respective set delay time. the relay releases when the voltage exceeds the under voltage set level plus hysteresis and it drops below the over voltage set level minus hysteresis (the hysteresis is the same for both set levels). example 2 (latch enabled active - under+ under voltage - 2 x spdt relays (1 x spdt for puc01)) duc01: each relay operates and latches when the volt- age drops below the respec- tive set level for more than the respective delay time. provided that the voltage has exceeded the respective set level (see hysteresis), each relay r eleases when the con- tact inputs connection is inter- rupted. puc01: the relay operates when the voltage drops below the higher set level for more than the respective delay time. provided that the voltage has exceeded the respective set level plus hys- teresis, the relay releases when the contact input is opened. example 3 (inhibit enable active - over+ over voltage - dpdt relay (1 x spdt for puc01)) provided that the contact input is opened, the relay operates when the voltage exceeds the lower set level for more than the respective delay time. it releases when the voltage drops below the lower set level (see hystere- sis) or when the contact inputs pins are connected. note: when the inhibit contact is opened, if the input signal is already in alarm position, the delay time needs to elapse before relay(s) activation. power supply overvoltage cat. iii rated operational voltage (iec 60664, iec 60038) through terminals: a1, a2 or a3, a2 (duc01) 2, 10 or 11, 10 (puc01) 724: 24 vdc 20%, insulated b48: 24/48 vac 15% 45 to 65 hz, insulated b23: 115/230 vac 15% 45 to 65 hz, insulated dielectric voltage dc supply ac supply supply to input 2 kv 4 kv supply to output 4 kv 4 kv input to output 4 kv 4 kv rated operational power ac 5 va dc 3 w supply specifications power on delay 1 s 0.5 s or 6 s 0.5 s reaction time (input signal variation from -20% to +20% or from +20% to -20% of set value) alarm on delay < 100 ms alarm off delay < 100 ms accuracy (15 min warm-up time) temperature drift 1000 ppm/c delay on alarm 10% on set value 50 ms repeatability 0.5% on full-scale indication for power supply on led, green alarm on led, red (flashing 2 hz during delay time) output relay on 1 or 2 x led, yellow environment (en 60529) degree of protection ip 20 pollution degree 3 (duc01), 2 (puc01) operating temperature -20 to 60c, r.h. < 95% storage temperature -30 to 80c, r.h. < 95% housing dimensions din-rail version 45 x 80 x 99.5 mm plug-in version 36 x 80 x 87 mm weight approx. 250 g screw terminals tightening torque max. 0.5 nm acc. to iec 60947 ce-marking ye s general specifications
specifications are subject to change without notice (21.10.00) 3 selection of measuring range: dip-switch selector (1 to 2) 12 2 to 20 v input range 5 to 50 v input range 20 to 200 v input range 50 to 500 v input range selection of function: dip-switch selector (3 to 6 and 1a, 2a) 3 relay de-energized in normal condition. relay energized in normal condition. 4 power on delay 6 0.5 s power on delay 1 0.5 s 5 contact input as latch func- tion enable. when the contact is closed the latch function is activated. the reset of the latch condition occurs when the con- tact is open or by power down. contact input as inhibit of alarm enable. when the con- tact is closed the relay remains in normal position even if alarm condition occurs 6 set point 1 over voltage monitoring relay. the alarm con- dition occurs when voltage input is over the set point value. set point 1 under voltage monitoring relay. the alarm condition occurs when voltage input is under the set point value. 1a set point 2 over voltage monitoring relay. the alarm condition occurs when voltage input is over the set point value. set point 2 under voltage monitoring relay. the alarm condition occurs when voltage input is under the set point value. 2a 2 x spdt relays (duc01) 1 x dpdt relay (duc01) selection of level and time delay: upper knob: setting of hysteresis on rela- tive scale: 0 to 30% on set value. centre knobs: current level setting on rela- tive scale: 10 to 110% on full scale. lower knobs: setting of delay on alarm time on absolute scale (0.1 to 30 s). function/range/level and time delay setting duc01, puc01 examples 2 and 3 example 1 25 26 28 15 16 18 y1 y2 z1 pe u 25 26 28 15 16 18 pe y1 y2 z1 u a3 n (-) a1 a2 l a3 n (-) a1 a2 l 24 vdc (+) 48/230 vac 24/115 vac 24 vdc (+) 48/230 vac 24/115 vac latch/inhibit enable example 1 examples 2 and 3 pe 5 7 u pe 5 7 u 1 43 n (-) 10 l 1 43 n (-) 10 l 24 vdc (+) 48/230 vac 24/115 vac 11 2 24 vdc (+) 48/230 vac 24/115 vac 11 2 latch/inhibit enable wiring diagrams duc01 puc01 on on on
4 specifications are subject to change without notice (21.10.00) over+over voltage over+under voltage - n.e. relay(s) under+under voltage power supply power supply power supply set level 1 set level 1 set level 1 hysteresis hysteresis hysteresis hysteresis hysteresis hysteresis re1(duc01) re1(duc01) re1(duc01) re2(duc01) re2(duc01) re2(duc01) dpdt(duc01)/re(puc01) dpdt(duc01)/re(puc01) dpdt(duc01)/re(puc01) red led on red led on red led on set level 2 set level 2 set level 2 1 or 6 s 1 or 6 s 1 or 6 s 1 or 6 s 1 or 6 s 1 or 6 s 1 or 6 s 1 or 6 s 1 or 6 s t1 t1 t2 t1 t t t1 t2 t2 t1 t t2 t1 over+over voltage - latch over+under voltage - inhibit - n.e. relay(s) power supply power supply latch on inhibit on set level 1 set level 1 re1(duc01) re1(duc01) re2(duc01) re2(duc01) dpdt(duc01)/re(puc01) dpdt(duc01)/re(puc01) red led on red led on set level 2 set level 2 hysteresis hysteresis hysteresis hysteresis 1 or 6 s 1 or 6 s 1 or 6 s 1 or 6 s 1 or 6 s 1 or 6 s t1 t1 t2 t2 t1 t1 t2 t2 t1 t1 operation diagrams duc01, puc01
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