Baldor MN1940 installation manual Basic connections, SPI interface ‘P’ connector

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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
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
		(12-48 VDC or 12-75 VDC)

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 4-1

Image 17

Contents DSM S-Series Integrated Stepper Motor / Driver Page Contents Troubleshooting General Information Precautions Safety NoticeMN1940 Introduction DSM S-Series integrated motor and driverModel ‘F’ ‘P’ ‘M’ Option availabilityIdentifying the catalog number InstalledReceiving and inspection Units and abbreviations PhaseLocation requirements You should read all the sections in Basic InstallationIntroduction Mounting the DSM Dimensions DSMS17Dimensions Weight Screw thread limitation DSMS17 DSMS23x-1B Dimensions DSMS23DSMS23x-2B DSMS23x-3BSecuring DSM cables Dimensions DSMS34Motor Dimensions Other requirements for installation Basic connections SPI interface ‘P’ connectorMotor power input Cable length Minimum Wire sizesPower wire ratings Logic inputs Enable brown flying leadLogic input descriptions Step clock orange flying leadInput timing Sinking input configurations Sinking / sourcing input configurationDIR0 Pin Name Description SPI connectorSPI interface SPI signal descriptions NextMove ESB Connection summary minimum system wiringX12 Installing the virtual COM port driver Connecting the DSM to the PCInstalling the USB driver \BaldorSPIInterface.exe Installing Baldor SPI InterfaceDetermining the virtual COM port number Starting the controller and DSM Motion settings view Configuration parametersName Range Units Default Baldor SPI InterfaceHold Current Delay Time Hcdt Microstep Resolution Select MselRecall! and Upgrade! menu options Msel valueClock IOF 2.2 I/O settings viewClock Type Communication problems Problem diagnosisSymptom Check Further supportMotor control problems Input current maximum Input powerMaximum supply voltage +48VDC +75VDC Detent torque DSMS17x-1ARotor inertia DSMS17x-2ADSMS17x-3A DSMS23x-2B DSMS23x-1BDSMS23x-3B DSMS34x-1B Motor speed & torque DSMS34DSMS34x-2B DSMS34x-3B Digital inputs Specifications MN1940 Index Index MN1940 Comment CommentsComments MN1940 Page LT0227A02