ZAlift - 20210802 - calculation GBt_210014_113830---1250-160-SM 200.45E-
ZIEHL-ABEGG SE
Künzelsau, Germany
Elevator calculation acc. EN81-20/50 GBtr 14.09.2021
Elevator data
Nominal load Q kg 1250
Car weight F kg 1400(1365 - 2492kg)
Counterweight G kg 2025(50%)
Travelling speed v (V_3=) m/s 1,60
Travel distance H m 40,0
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 82(0,258 kg/m)
Compensation rope weight su kg 165
Car cable weight HK kg 10
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 90
Undercutwidth b mm 5,66
Groove angle deg 30
Sheave profile: circular undercut groove
Traction, rope pressure, rope safety
Traction empty,on top, accelerating
1,7060 <= 1,7866
Traction 150% nominal load, below, not moving
1,5707 <= 1,7866
Rope pressure k < permissible rope pressure
6,71 < 9,00 N/mm²
Conditions according to EN81:
Load 125% 1,4327 <= 1,8119 (2)
Emergency stop 1,5585 <= 1,5688 (2)
with deceleration [m/s²] 0,500
Blocked car 11,777 > 3,2830 (4)
Real safety factor > Minimum safety factor for ropes
23,44 > 12
Rope safety factor according to EN81: (0), Basis 0
Pulleys >= 320 mm, pulleys NPR = 0 NPS = 2
Rope safety nue = 23,4 > 16,4 (minSF)
Rope certification EN81
Traction conditions are fulfilled.
Rope safety conditions are fulfilled.


ZAlift - 20210802 - Machine dimensioning GBt_210014_113830---1250-160-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/U90
Permissible load output torque Nm 604 (max. 799)
Real statical axle load kg 2507 (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
(498 Nm, 0,72 m/s², 2 m, 23460 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 9,5
Typ. operating current 30,6 A, Start. Current 53,7 A at acceleration 0,80 m/s²
Start. Current 50,5 A at acceleration 0,7 m/s²
Average power losses 1,78 kW = 6407,55 kJ/h
Output speed rpm 191
Load torque Nm 604,3(eff. 475,0)
Inertia of installation kgm² 33,09
240 Starts per hour , 40 % required duty cycle at elevator operation
Max. static load pulleys 21487 N, pulley speed 1,60 m/s
Selected ZIEHL-ABEGG motor
Motor type SM200.45E-20 - gearless
Nameplate data(Operating data)
Rated voltage V 360
Rated frequency Hz 32 ( 31,8)
Rated torque Nm 710 ( 604,3)
Rated speed rpm 192 ( 191,0)
Rated output power kW 14,3( 12,1)
Rated current A 36 ( 30,6)
Maximum torque Nm 1200 ( 1200 )
Current at maximum torque A 74 ( 74 )
Inertia of motor kgm² 0,350
Possible accelleration m/s² 1,43
(MKmax=480,0 Nm)
Without cooling [PTC] (68)
Dimension sheet A-M-6762, Motor construction type IMB3
Motor with encoder ECN 1313-2048Endat
Selected frequency inverter
Inverter ZAdyn 4CS032, Rated inverter current 32 A
mains current 22,2 A, 400 V, 14,6 kW, Max. 0,92 m/s², F_amax 1,88 (934 Nm)
Radio interference filter, integrated ; Line reactor, integrated
Braking resistance BR50-3
Brake control module ohne


ZAlift - 20210802 - Energy calculation GBt_210014_113830---1250-160-SM 200.45E-
Elevator data
Elevator1250kg-1,60m/s-2:1-40m
Total trips per day864,00
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 inverter16,00 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-20-14kW-710Nm-191rpm
Load power9515,57 W
Power consumption11187,05 W
Load factor0,70
Counterweight balance factor0,50
without recuperation
Energy cost per year Travel1603,27 Euro
Energy cost per year Standby111,60 Euro
Energy cost per year Total1714,87 Euro
Nominal demand per year6596 kWh
Energy consumption reference trip 111,73 Wh
Specific travel demand0,782 mWh/kg/m
Total specific energy demand0,837 mWh/kg/m
Energy efficiency class TravelB
Energy efficiency class StandbyB
Energy efficiency class TotalB
with recuperationZArec4C 026 + BR14A
Regeneration power6736,94 W
max recuperation power13207,38 W
max recuperation current21,18 A
Energy cost per year Travel949,26 Euro
Energy cost per year Standby133,52 Euro
Energy cost per year Total1082,78 Euro
Nominal demand per year4165 kWh
Energy consumption reference trip 66,16 Wh
Specific travel demand0,463 mWh/kg/m
Total specific energy demand0,528 mWh/kg/m
Energy efficiency class TravelA
Energy efficiency class StandbyB
Energy efficiency class TotalA
All data subject to measuring on site!


ZAlift - 20210802 - GBt_210014_113830---1250-160-SM 200.45E-
Elevator data
Elevator1250kg-1,60m/s-2:1-40m
Machine type SM 200.45E
Traction sheave 320/122/14,0/8x8/U90
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] |
1:4,34 | 0,05 | 0,66 | 0,15 |
2:4,34 | 0,09 | 0,88 | 0,20 |
3:1,49 | 0,12 | 0,92 | 0,23 |
4:0,75 | 0,14 | 0,94 | 0,25 |
5:-0,40 | 0,15 | 0,93 | 0,26 |
6:-0,81 | 0,68 | 0,00 | 1,42 |
Stopping distance (without traction influence) 0,287 m, empty up
Max. stopping distance (traction depending)0,684 m, empty up
Max. stopping distance (traction depending) 0,382 m, full down
Max. stopping distance (inverter off, empty) 0,238 m, empty up
Max. test stopping distance(v= 0,150m/s) 0,099 m, empty up
Max. test stopping distance(v= 0,150m/s) 0,091 m, full down
Max. test stopping distance(a= 2,000 m/s²) 0,304 m, empty up
Max. test stopping distance(a= 2,000 m/s²) 0,304 m, full down
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