5.3.8 Stepper axes outputs
| Location | X9 |
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12 |
| Mating connector: Weidmüller Omnimate BL 3.5/12 | ||
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| Pin | Name | Description | NextMove ES |
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| 12 | Shield | Shield connection | a32 |
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| 11 | DIR1+ | Direction output 1+ | b15 |
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| 10 | DIR1- | Direction output 1- |
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| 9 | STEP1+ | Step (pulse) output 1+ | b14 |
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1 | 8 | STEP1- | Step (pulse) output 1- |
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| 7 | DGND | Digital ground | a3 |
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| 6 | Shield | Shield connection | a32 |
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| 5 | DIR0+ | Direction output 0+ | a15 |
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| 4 | DIR0- | Direction output 0- |
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| 3 | STEP0+ | Step (pulse) output 0+ | a14 |
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| 2 | STEP0- | Step (pulse) output 0- |
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| 1 | DGND | Digital ground | a3 |
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The stepper outputs on the backplane are driven by DS26LS31 line drivers, providing RS422 differential outputs.
CAUTION: The DS26LS31 drivers are static sensitive devices. Take appropriate ESD precautions when handling the backplane.
NextMove ES |
| Backplane | ‘X9’ | |
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| 96 | DS26LS31 |
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| ULN2003 | pin | 2 | STEP0- |
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Step | 74AHCT244 |
| 3 | STEP0+ |
Output |
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GND |
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| 1 | DGND |
Figure 25 - Stepper output - STEP0 output shown
| MN1928 |
