
P1 
Pin Assignment - P1 I/O, SPI and Encoder
Connections
| Pin # | Function | Description | |
| 
 | 
 | The signal applied to the Optocoupler Reference will | |
| 
 | 
 | determine the sinking/ or sourcing configuration of the inputs. | |
| Pin 1 | Opto Reference | To set the inputs for sinking operation, a +5 to +24 VDC | |
| 
 | 
 | supply is connected. If sourcing, the Reference is connected | |
| 
 | 
 | to Ground. | |
| 
 | 
 | Enable/Disable Input will enable or disable the driver output | |
| Pin 2 | Enable | to the motor. In the disconnected state the driver outputs are | |
| 
 | 
 | enabled in either sinking or sourcing configuration. | |
| Pin 3 | Index + | Encoder Index + Output. | |
| Pin 4 | Channel B + | Encoder Channel B + Output. | |
| Pin 5 | Channel B – | Encoder Channel B – Output. | |
| Pin 6 | N/C | No Connect. | |
| Pin 7 | Channel A + | Encoder Channel A + Output. | |
| Pin 8 | MOSI | ||
| 
 | 
 | 
 | |
| Pin 9 | CS | SPI Chip Select. This signal is used to turn communications | |
| on multiple MDM units on or off. | |||
| 
 | 
 | ||
| Pin 10 | +5 VDC Output | Supply voltage for the  | |
| Pin 11 | GND | Communications Ground. | |
| 
 | 
 | 
 | |
| Pin 12 | N/C | No Connect. | |
| 
 | Direction/Channel B/ | Direction input. The axis direction will be with respect to the | |
| Pin 13 | state of the Direction Override Parameter. It may also receive | ||
| Clock Down | |||
| 
 | quadrature and clock up type inputs if so configured. | ||
| 
 | 
 | ||
| Pin 14 | Index – | Encoder Index – Output. | |
| Pin 15 | Channel A – | Encoder Channel A – Output. | |
| Pin 16 | SPI Clock | The Clock is driven by the SPI Master. The clock cycles once | |
| for each data bit. | |||
| 
 | 
 | ||
| Pin 17 | MISO | ||
| to the SPI Master. | |||
| 
 | 
 | ||
| 
 | 
 | Step Clock input. The step clock input will receive the clock | |
| Pin 18 | Step Clock/Channel A/ | pulses which will step the motor 1 step for each pulse. It | |
| Clock Up | may also receive quadrature and clock up type inputs if so | ||
| 
 | |||
| 
 | 
 | configured. | |
| 
 | 
 | ||
| 
 | 
 | Fault. When device reaches the temperature specified by | |
| Pin 19 | Fault Output | the warning temperature the output will pulse at 1 second | |
| 
 | 
 | intervals. When in  | |
| 
 | 
 | active continually. | |
| Recommended | 
 | 
 | |
| Cordset | 
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 | |
| 
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 | ||
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| Table 1.2.3: P1-  | |||
| Part 1: Hardware Specifications |