ZAlift - 20220211 - calculation GBt_220013_021641---1275-200-SM 200.45E-
ZIEHL-ABEGG SE
Künzelsau, Germany
Elevator calculation acc. EN81-20/50 GBtr 13.04.2022
Elevator data
Nominal load Q kg 1275
Car weight F kg 1400(1270 - 2060kg)
Counterweight G kg 2038(50%)
Travelling speed v (V_3=) m/s 2,00
Travel distance H m 90,0
Suspension/roping is 2 : 1
Machine at the top, above , without deflection pulley
Shaft efficiency etaS % 82
Number of pulleys (ball bearing) 3
Type of rope WOLF PAWO F7
Number of ropes z 8
Rope diameter ds mm 8
Rope weight s kg 185(0,258 kg/m)
Compensation rope weight su kg 371
Car cable weight HK kg 22
Rope span weight R kg 0
Min. rope breaking load B N 40600
Traction sheave diameter Dtr mm 320
Sheave width mm 122number of grooves (8)
Groove distance mm 14,0Minimum distance
Angle of wrap minimum min. deg 180
Undercutangle deg 95
Undercutwidth b mm 5,90
Groove angle deg 30
Sheave profile: circular undercut groove
Traction, rope pressure, rope safety
Traction empty,on top, accelerating
1,6116 <= 1,8399
Traction 150% nominal load, below, not moving
1,5289 <= 1,8399
Rope pressure k < permissible rope pressure
8,15 < 9,00 N/mm²
Conditions according to EN81:
Load 125% 1,4060 <= 1,8582 (2)
Emergency stop 1,5234 <= 1,5567 (2)
with deceleration [m/s²] 0,500
Blocked car 05,962 > 3,4528 (4)
Real safety factor > Minimum safety factor for ropes
21,58 > 12
Rope safety factor according to EN81: (0), Basis 0
Pulleys >= 320 mm, pulleys NPR = 0 NPS = 2
Rope safety nue = 21,6 > 17,8 (minSF)
Rope certification EN81
Traction conditions are fulfilled.
Rope safety conditions are fulfilled.


ZAlift - 20220211 - Machine dimensioning GBt_220013_021641---1275-200-SM 200.45E-
Mechanical drive data
Machine manufactured by Ziehl-Abegg
Machine type SM 200.45E Gearless synchronous
Machine version ZAtop *
Traction sheave mm 320 /122/14,0/8x8/U95
Permissible load output torque Nm 627 (max. 799)
Real statical axle load kg 2739 (max. 3600)
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Brake data
brake Mayr ROBA-twinstop RTW800, 2x800 Nm, EU-BD 1112
Dual circuit disc brake, DC supply necessary
(518 Nm, 0,60 m/s², 4 m, 44077 J, 264 W)
207 V brake, with hand release, microswitch
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Machine load data in the installation
Typical motor operating power kW 12,0
Typ. operating current 40,7 A, Start. Current 78,7 A at acceleration 0,90 m/s²
Start. Current 69,7 A at acceleration 0,7 m/s²
Average power losses 2,31 kW = 8318,42 kJ/h
Output speed rpm 239
Load torque Nm 627,6(eff. 480,5)
Inertia of installation kgm² 37,29
240 Starts per hour , 50 % required duty cycle at elevator operation
Max. static load pulleys 23639 N, pulley speed 2,00 m/s
Selected ZIEHL-ABEGG motor
Motor type SM200.45E-20 - gearless
Nameplate data(Operating data)
Rated voltage V 360
Rated frequency Hz 43 ( 39,8)
Rated torque Nm 710 ( 627,6)
Rated speed rpm 258 ( 238,8)
Rated output power kW 19,2( 15,7)
Rated current A 46 ( 40,7)
Maximum torque Nm 1200 ( 1200 )
Current at maximum torque A 93 ( 93 )
Inertia of motor kgm² 0,350
Possible accelleration m/s² 1,22
(MKmax=480,0 Nm)
Cooling 2 x DP201 (1~230V_20W) [PTC] (62)
Dimension sheet A-M-6762 / A-M-6778, Motor construction type IMB3
Motor with encoder ECN 1313-2048Endat
Selected frequency inverter
Inverter ZAdynpro050, Rated inverter current 50 A
mains current 28,1 A, 400 V, 18,5 kW, Max. 1,15 m/s², F_amax 2,21 (1161 Nm)
Radio interference filter, integrated ; Line reactor, separate ND050
Braking resistance BR100-3A
Brake control module ohne



ZAlift - 20220211 - Energy calculation GBt_220013_021641---1275-200-SM 200.45E-
Elevator data
Elevator1275kg-2,00m/s-2:1-90m
Total trips per day480,00
Energy cost26,00 ct/kWh
Average load of machine, typical 70-90%80,00 %
Travel demand350,00 W
Contactor to switch off inverter and recuperationNo
Inverter and recuperation with standby-functionYes
Standby demand40,00 W
Standby demand inverter10,00 W
Standby demand regeneration11,00 W
Power for brake release264,00 W
Calculation according VDI4707
Usage category4 (3.0h VDI 4707)
Selected ZIEHL-ABEGG motor SM200.45E-20-19kW-710Nm-239rpm
Load power12141,86 W
Power consumption13978,12 W
Load factor0,70
Counterweight balance factor0,50
without recuperationBR100-3A
Energy cost per year Travel1929,70 Euro
Energy cost per year Standby99,65 Euro
Energy cost per year Total2029,35 Euro
Nominal demand per year7805 kWh
Energy consumption reference trip 242,07 Wh
Specific travel demand0,738 mWh/kg/m
Total specific energy demand0,776 mWh/kg/m
Energy efficiency class TravelB
Energy efficiency class StandbyA
Energy efficiency class TotalB
with recuperationZArec4C 026 + BR50-3
Regeneration power8778,38 W
max recuperation power19195,31 W
max recuperation current30,78 A
Energy cost per year Travel1066,84 Euro
Energy cost per year Standby121,57 Euro
Energy cost per year Total1188,41 Euro
Nominal demand per year4571 kWh
Energy consumption reference trip 133,83 Wh
Specific travel demand0,408 mWh/kg/m
Total specific energy demand0,455 mWh/kg/m
Energy efficiency class TravelA
Energy efficiency class StandbyB
Energy efficiency class TotalA
All data subject to measuring on site!


ZAlift - 20220211 - GBt_220013_021641---1275-200-SM 200.45E-
Elevator data
Elevator1275kg-2,00m/s-2:1-90m
Machine type SM 200.45E
Traction sheave 320/122/14,0/8x8/U95
InertiaTraction sheave 0,843 kgm²
Brake data
Mayr ROBA-twinstop RTW800, 1600 Nm, EU-BD 1112, 30 ms, 60 ms, 100 ms
-207 V brake, with hand release, microswitch
Calculation of unintended movement
Values of elevator controller
Detection distance 0,050 m
Dead time 50 ms
V Detector 0,000 m/s
Without short-circuit motor braking
a[m/s²] | s[m] | v[m/s] | t[s] |
1:4,38 | 0,05 | 0,66 | 0,15 |
2:4,38 | 0,09 | 0,88 | 0,20 |
3:1,32 | 0,12 | 0,92 | 0,23 |
4:0,66 | 0,14 | 0,94 | 0,25 |
5:-0,52 | 0,15 | 0,93 | 0,27 |
6:-1,05 | 0,56 | 0,00 | 1,15 |
Stopping distance (without traction influence) 0,308 m, empty up
Max. stopping distance (traction depending)0,562 m, empty up
Max. stopping distance (traction depending) 0,369 m, full down
Max. stopping distance (inverter off, empty) 0,192 m, empty up
Max. test stopping distance(v= 0,150m/s) 0,094 m, empty up
Max. test stopping distance(v= 0,150m/s) 0,090 m, full down
Max. test stopping distance(a= 2,000 m/s²) 0,262 m, empty up
Max. test stopping distance(a= 2,000 m/s²) 0,262 m, full down
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