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Frequency Characteristics

ZSH 87/2.200.5

ZSH 87/3.200.5

2.5

Half-step mode

5

Half-step mode

2 4 U =140 V b

Drive Torque [Nm] Drive Torque [Nm]

1.5 3 1 2 U =140 V b U =90 V b 0.5 1 U =90 V b Frequency [kHz]02.557.5101.,515 Frequency [kHz]02.557.51012.515 375 750 1125 1500 1875 2250 375 750 1125 1500 1875 2250 Speed [rev./min] Speed [rev./min]

ZSH 87/2.200.6,5

ZSH 87/3.200.8,4

Half-step mode 2.5 5
Half-step mode U =140 V b 2 4
Drive Torque [Nm] Drive Torque [Nm] 1.5 3 U =140 V b
1 U =90 V b 2
0.5 1 U =90 V b

Frequency [kHz]02.557.51012.515 Frequency [kHz]02.557.51012.515

375 750 1125 1500 1875 2250 375 750 1125 1500 1875 2250
Speed [rev./min] Speed [rev./min]

Fig. 27 Fig. 28 Fig. 30 Fig. 31 Fig. 29Fig. 26 ZSH 87/2.200.8,4

ZSH 87/3.200.10

2.5 Half-step mode 5 Half-step mode U =140 V b [Nm] 2 4 Drive Torque Drive Torque [Nm] 1.5 3 U =140 V b U =90 V b 1 2 U =90 V b 0.5 1 Frequency [kHz]02.557.51012.515 Frequency [kHz]02.557.51012.515 375 750 1125 1500 1875 2250 375 750 1125 1500 1875 2250 Speed [rev./min] Speed [rev./min]

ZSH / 07-1 GB / 9