ST12450W/WD Installation Guide, Rev. B |
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DC power requirements |
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| +5V | +12V | +5V | +12V | |
Voltage regulation5 | ± 5% | ± 5%2 | ± 5% | ± 5%2 | |
Maximum operating current1 |
| Amps |
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1.32 | 0.91 | 1.65 | 0.91 |
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Maximum starting current |
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Peak DC3, 6 | 1.3 | 2.18 | 1.43 | 2.18 |
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Peak AC3 | – | 3.1 | – | 3.1 |
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Delayed motor start (max)4 | 1.25 | 1.5 | 1.31 | 1.5 |
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Peak operating current |
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Typ DC1,10 | 1.3 | 0.84 | 1.6 | 0.84 |
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Max DC1 | 1.32 | 0.91 | 1.65 | 0.91 |
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Max (peak) | 1.4 | 1.85 | 2.4 | 1.85 |
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Track following (DC) |
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at OD1 | 1.3 | 0.78 | 1.4 | 1.85 |
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at ID1 | 1.3 | 0.82 | 1.4 | 0.78 |
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Read track |
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OD DC1, 13 | 1.4 | 0.81 | 1.9 | 0.81 |
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AC | 1.5 | 1.16 | 2.5 | 1.16 |
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Seeking |
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Typical DC1, 12 | 1.3 | 1.06 | 1.4 | 1.06 |
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Maximum DC1 | 1.3 | 1.14 | 1.44 | 1.14 |
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Maximum (peak) AC | 1.3 | 1.85 | 2.2 | 1.85 |
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1Measured with an average reading DC ammeter. Instanta- neous +12V current peaks will exceed these values.
