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4 Input / Output
4.1 Introduction
This section describes the input and output connections of the DSM.
Logic level cables must not run parallel to power cables. Power cables will introduce noise into the logic level cables and make the system unreliable. Logic level cables must be shielded to reduce the chance of induced noise. The shield needs to be grounded at the signal source to AC ground; the other end of the shield must not be connected. This allows the shield to act as a drain.
| Do not connect or disconnect any wiring when power is applied! Disconnect the |
| AC power side to power down the DC power supply. For battery operated |
CAUTION | systems, connect a transient suppressor across the power switch to prevent arcs |
| and high voltage spikes. |
4.1.1 Basic connections |
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| |
Flying | Color | Description | Pin |
leads | White +5 VDC Optocoupler reference | . . 1 | |
|
| (NC) | |
| Orange . | . . . . Step Clock input | . . 3 |
| Blue . . . | CW/CCW Direction input . . | . . 4 |
| Brown . . | . . Enable/Disable input . . . . | . . 5 |
| Black . . | . . . Motor power GND | . . 6 |
| Red . . . . | . . . . . Motor power | . . 7 |
|
|
| |
SPI interface
‘P’ connector
Models with ‘P’ connector option (DSMS17P... / DSMS23P... only)
(NC) 1 (NC) 3 GND 5
Master Out / 7
Slave In
(NC) 9
2(NC)
4Chip Select
6 +5 V Out
8Clock
10Master In / Slave Out
Figure 5 - Basic connection summary
MN1940 | Input / Output |
