ZAlift - 20230706 - calculation ZAL-185853
ZIEHL-ABEGG SE
Künzelsau, Germany
Elevator calculation acc. EN81-20/50 bad 24.01.2024
Elevator data
Nominal load Q kg 1600
Car weight F kg 1800(1622 - 2947kg)
Counterweight G kg 2600(50%)
Travelling speed v (V_3=) m/s 1,00
Travel distance H m 30,0
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 10
Rope diameter ds mm 8
Rope weight s kg 77(0,258 kg/m)
Compensation rope weight su kg 0
Car cable weight HK kg 15
Rope span weight R kg 0
Min. rope breaking load B N 40600
Traction sheave diameter Dtr mm 320
Sheave width mm 150number of grooves (10)
Groove distance mm 14,0Minimum distance
Angle of wrap minimum min. deg 180
V-groove angle deg 45
Sheave profile: V-groove with min. 50 HRC
Traction, rope pressure, rope safety
Traction empty,on top, accelerating (1,33)
2,0187 <= 2,0935
Traction 150% nominal load, below, not moving
1,6749 <= 2,0935
Rope pressure k < permissible rope pressure
1,78 < 2,00 N/mm²
Conditions according to EN81:
Load 125% 1,5211 <= 2,2726 (1)
Emergency stop 1,6854 <= 1,9820 (4)
with deceleration [m/s²] 0,500
Blocked car 11,725 > 5,1648 (4)
Real safety factor > Minimum safety factor for ropes (dfactor = 1,00)
23,28 > 12
Pulleys >= 320 mm, pulleys NPR = 0 NPS = 2
Rope safety nue = 23,3 > 17,6 (minSF)
Rope certification EN81
Traction conditions are fulfilled.
Rope safety conditions are fulfilled.


ZAlift - 20230706 - Machine dimensioning ZAL-185853
Mechanical drive data
Machine manufactured by Ziehl-Abegg
Machine type SM 210.60B Gearless synchronous
Machine version ZAtop *
Traction sheave mm 320 /150/14,0/10x8/HK45
Permissible load output torque Nm 908 (max. 1000)
Real statical axle load kg 3084 (max. 4500)
Rope pull admissible only in direction of motor foot!
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Brake data
brake Mayr ROBA-twinstop RTW1000, 2x1200 Nm, EU-BD 1014/1
Dual circuit disc brake, DC supply necessary
(749 Nm, 0,88 m/s², 1 m, 11246 J, 316 W)
207 V brake, with hand release, microswitch
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Machine load data in the installation
Typical motor operating power kW 7,8
Typ. operating current 31,5 A, Start. Current 44,8 A at acceleration 0,60 m/s²
Start. Current 53,7 A at acceleration 1 m/s²
Start. Current 47,0 A at acceleration 0,7 m/s²
Average power losses 1,67 kW = 6020,82 kJ/h
Output speed rpm 119
Load torque Nm 908,5(eff. 626,7)
Inertia of installation kgm² 40,38
240 Starts per hour , 40 % required duty cycle at elevator operation
Max. static load pulleys 25507 N, pulley speed 1,00 m/s
Selected ZIEHL-ABEGG motor
Motor type SM210.60B-20 - gearless
Nameplate data(Operating data)
Rated voltage V 360
Rated frequency Hz 20 ( 19,9)
Rated torque Nm 850 ( 908,5)
Rated speed rpm 120 ( 119,4)
Rated output power kW 10,7( 11,4)
Rated current A 29 ( 31,5)
Maximum torque Nm 1450 ( 1450 )
Current at maximum torque A 55 ( 55 )
Inertia of motor kgm² 0,500
Possible accelleration m/s² 1,06
(MKmax=630,0 Nm)
Without cooling [PTC] (80)
Dimension sheet A-M-6706, Motor construction type IMB3
Motor with encoder ECN 1313-2048Endat
Selected frequency inverter
Inverter ZAdynpro032, Rated inverter current 32 A
mains current 22,5 A, 400 V, 14,8 kW, Max. 1,06 m/s², F_amax 1,60 (1450 Nm)
Radio interference filter, integrated ; Line reactor, separate ND032
Braking resistance BR25-3


ZAlift - 20230706 - ZAL-185853
Elevator data
Elevator1600kg-1,00m/s-2:1-30m
Machine type SM 210.60B
Traction sheave 320/150/14,0/10x8/HK45
InertiaTraction sheave 1,125 kgm²
Brake data
Mayr ROBA-twinstop RTW1000, 2400 Nm, EU-BD 1014/1, 40 ms, 95 ms, 150 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] |
1:5,51 | 0,05 | 0,74 | 0,13 |
2:5,51 | 0,09 | 1,02 | 0,18 |
3:1,86 | 0,14 | 1,09 | 0,22 |
4:0,93 | 0,17 | 1,12 | 0,26 |
5:-0,62 | 0,20 | 1,11 | 0,28 |
6:-1,23 | 0,70 | 0,00 | 1,18 |
Stopping distance (without traction influence) 0,364 m, empty up
Max. stopping distance (traction depending)0,697 m, empty up
Max. stopping distance (traction depending) 0,415 m, full down
Max. stopping distance (inverter off, empty) 0,256 m, empty up
Max. test stopping distance(v= 0,150m/s) 0,106 m, empty up
Max. test stopping distance(v= 0,150m/s) 0,099 m, full down
Max. test stopping distance(a= 2,000 m/s²) 0,270 m, empty up
Max. test stopping distance(a= 2,000 m/s²) 0,232 m, full down
At short-circuit motor braking
a[m/s²] | s[m] | v[m/s] | t[s] |
1:5,51 | 0,05 | 0,74 | 0,13 |
2:5,51 | 0,09 | 1,02 | 0,18 |
3:1,03 | 0,14 | 1,06 | 0,22 |
4:0,52 | 0,17 | 1,07 | 0,25 |
5:-0,63 | 0,19 | 1,06 | 0,28 |
6:-1,26 | 0,64 | 0,00 | 1,12 |
Short-circuit motor brake torque MK2: 327,8 ,MK3: 308,5 Nm
Max. stopping distance (traction depending) 0,638 m, empty up
Max. stopping distance (traction depending) 0,385 m, full down
Max. stopping distance (inverter off, empty) 0,216 m, empty up
Max. test stopping distance(v= 0,150m/s) 0,088 m, empty up
Max. test stopping distance(v= 0,150m/s) 0,086 m, full down
Max. test stopping distance(a= 2,000 m/s²) 0,229 m, empty up
Max. test stopping distance(a= 2,000 m/s²) 0,207 m, full down
We assume no liability for calculation results!