
AppendixDigital Signals − Quick Reference
| A | Appendix | 
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| A.1 | Digital Signals | 
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 | Quick Reference | 
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 | Connector | Signal Codes | 
 | Description | DI / | |||
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 | Pins | DI/DO | 
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 | EMG | – | 
 | Forced stop - emergency safety signal: | DI | |||
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 | The signal is permanently assigned to this pin and must be acti- | 
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 | vated for motor control. | 
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 | DOG | RYn3 | 
 | Proximity dog switch: | DI | |||
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 | This signal is used for some of the home position return modes. | 
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 | LSP | RYn4 | 
 | Forward rotation stroke end switch | DI | |||
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 | LSN | RYn5 | 
 | Reverse rotation stroke end switch | DI | |||
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 | RD | RXn0 | 
 | Servo amplifier ready | DO | |||
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 | ALM | RX(n+1)A | Alarm, signals a servo error | DO | ||||
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 | ZP | RXn3 | 
 | Home position return completed successfully | DO | |||
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 | DI0 | RYnA | 
 | Select point table entry, i.e. activate a line in the table for position- | DI | |||
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 | ing. Combinations of signals DI0 through DI7 (see Table  | 
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 | Point table entry no.1 | 
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 | be used to selec up tot 256 positioning steps. | 
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 | DI1 | RYnB | 
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 | Point table entry no. 2 | 
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 | Signals DI5, DI6 and DI7 are only available when the amplifier oc- | 
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 | DI2 | RYnC | 
 | cupies 2 stations in the network, thus making 64 bits available via | DI | |||
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 | Point table entry no. 3 | 
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 | DI3 | RYnD | 
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 | Point table entry no. 4 | 
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 | DI4 | RYnE | 
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 | DI | |||
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 | Point table entry no. 5 | 
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 | DI5 | RY(n+2)3 | 
 | DI | ||||
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 | Point table entry no. 6 | 
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 | DI6 | RY(n+2)4 | 
 | DI | ||||
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 | Point table entry no. 7 | 
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 | DI7 | RY(n+2)5 | 
 | DI | ||||
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 | Point table entry no. 8 | 
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 | DICOM | – | 
 | Connection for an external power supply for the digital control termi- | DI | |||
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 | nals. Negative connection for source interface logic (PNP). | 
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 | SON | RYn0 | 
 | SERVO ON: | DI | |||
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 | Activating the SON signal powers on the base circuit and makes | 
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 | the amplifier ready for operation. | 
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 | ACD0 | – | 
 | Digital output signals for encoded error messages (see Appendix | DO | |||
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 | A.3) | 
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 | ACD1 | – | 
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 | ACD2 | – | 
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 | ACD3 | – | 
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 | RES | RY1A | 
 | Reset for error messages | DI | |||
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 | MD0 | RYn6 | 
 | Switch between automatic/manual mode: | DI | |||
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 | The MD0 signal must be off for opertion in jog mode. The signal | 
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 | must be activated before starting a home position return or position- | 
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 | ST1 | RYn1 | 
 | Start signal for forward rotation | DI | |||
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 | ST2 | RYn2 | 
 | Start signal for reverse rotation | DI | |||
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 | DOCO | – | 
 | Connection for an external power supply for the digital control termi- | DI | |||
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 | nals. Positive connection for source interface logic (PNP). | 
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 | INP | RXn1 | 
 | IN Position: Target position reached signal. | DO | |||
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Table 
| A - 39 |