24.09.2019
ChainMaster VarioLifts SIL3 for PreRigg of Helmut-List-Halle

Pictures: © Stefan-Leitner-Photography

Sin­ce the mar­ket launch of Chain­Mas­ter pro­duc­ts in 1994, the Saxon-based medi­um-sized com­pa­ny has deve­lo­ped into one of the world’s lea­ding manu­fac­tu­rers of hoist tech­no­lo­gy in the event indus­try and offers a com­pre­hen­si­ve ran­ge of pro­duc­ts for all requi­re­ments from set-up ope­ra­ti­ons to com­plex sce­nic move­ments to com­ple­te auto­ma­ti­on of per­for­man­ces. Natio­nal and inter­na­tio­nal pro­jec­ts are accom­pa­nied indi­vi­dual­ly from plan­ning to imple­men­ta­ti­on as well as user trai­ning. The world­wi­de net­work of Chain­Mas­ter Con­sul­ting Offices, com­mer­ci­al part­ners and trai­ned ser­vice com­pa­nies gua­ran­tees com­pre­hen­si­ve after-sales ser­vice.

In August 2019, Chain­Mas­ter deli­ve­r­ed a new chain hoist sys­tem to its long-stan­ding Aus­tri­an sales part­ner A.T.C GmbH, based in Wul­ka­pro­ders­dorf, Aus­tria. A.T.C GmbH car­ri­ed out the assem­bly and instal­la­ti­on of the sys­tem on site in the Hel­mut List hall in Graz.

For this pro­ject, Chain­Mas­ter sup­plied 38 Vario­Lifts 1000 kg with a two-fall design and a con­ti­nuous­ly varia­ble speed up to 4.8 m/min and a maxi­mum lif­ting height of 12 m. The dri­ves are con­trol­led by the XYZ con­trol sys­tem, cer­ti­fied accord­ing to EN/IEC 61508 SIL3. The con­trol sys­tem is cur­r­ent­ly desi­gned for a maxi­mum of 42 dri­ves. The sys­tem is ope­ra­ted via a con­trol panel with a 19″ touch screen, equip­ped with two tra­vel levers with dead­man switch. Two safe­ty com­pu­ters with self-moni­to­ring and Inter­net access for remo­te main­ten­an­ce ope­ra­te in the back­ground of the con­trol sys­tem.

The Chain­Mas­ter XYZ Con­trol Sys­tem is ide­al for crea­ting com­plex moti­on sequen­ces and is the­re­fo­re a reli­able inter­face bet­ween ope­ra­tor and sta­ge dri­ves. The strai­ght­for­ward user inter­face and the prac­ti­cal con­fi­gu­ra­ti­on of the func­tions enab­le simp­le and intui­ti­ve ope­ra­ti­on at the hig­hest level of safe­ty with con­stant access to the hoists inte­gra­ted in the sys­tem.

To con­trol the chain hoists, the Hel­mut List hall is equip­ped with a con­trol cabi­net sys­tem of six units each for four dri­ves and six units for three dri­ves. Equip­ped with sta­te-of-the-art clo­sed-loop fre­quen­cy con­ver­ters, high-reso­lu­ti­on dis­pla­ce­ment sen­sors and safe load eva­lua­ti­on enab­le pro­gramm­a­ble start and stop ramps, full tor­que at standstill over several minu­tes, direc­tion chan­ges wit­hout inter­rup­ti­ons and make the Chain­Mas­ter Vario­lifts a hoist of the hig­hest per­for­mance.