Intelligent Motion Systems MDrive34Plus manual Shifting, Logic, SPI Pins and Connections, Circuit

WARNING! The Parallel/SPI Port on your PC must be set to one of the following:

output only

1.bi-directional

2.EPP (Extended Parallel Port)

Try the SPI connection using the default parallel port setting first. If necessary, the Parallel/SPI port may be configured in the bios of your PC.

SPI Pins and Connections

			PC Parallel Port			10-Pin IDC (Only present on
						models with Flying Lead)
			*	+5 VDC ONLY used		P2
				for IMS MD-CC300-000	Pin 4
				E
2	3	4
				A Pin 5
		15	18 - 25	D Pin 7

Circuit	A		B Pin 10
		Comm GND	C	Pin 8
Shifting	B	MISO	*	Pin 6
	C SPI Clock
Level				12-Pin Locking Wire Crimp
	D	MOSI	E	Pin 11
Logic
	E			Pin 7
		SPI Chip Select	A Pin 9
			*
Only required if using				P1
a 3.3 volt output parallel port.
See Schematic on Following
Page			C Pin 8
			B Pin 10
			D Pin 12

Figure 2.4.1: SPI Pins and Connection — All Connector Styles

2-22	MDrive 34Plus Microstepping Hardware - Revision R071108
	Relevant to Firmware Version 3.0.02