Microsoft UNO-3074 user manual Contents

Contents

Chapter	1	Overview	2
	1.1	Introduction	2
	1.2	Hardware Specifications	5
	1.3	Safety Precautions	7
	1.4	Chassis Dimensions	8
		Figure 1.1:Chassis Dimensions for CeleronM 1GHz ....	8
		Figure 1.2:Chassis for Pentium 1.8GHz or Faster CPU	9
	1.5	Packing List	10
		Figure 1.3: Accessories	10

Chapter	2	Hardware Functionality		12
	2.1	Introduction		12
			Figure 2.1:Front Panel of UNO-3074	12
	2.2	RS-232 Interface (COM1~COM2)		13
	2.3	RS-232/422/485 Interface (COM3~COM4)		13
		2.3.1 16C550 UARTs with 16-byte FIFO Standard		13
		2.3.2	RS-422/485 Detection	13
		2.3.3 Automatic Data Flow Control Function for RS-485 ...		13
		2.3.4	RS-232/422/485 Selection	14
			Figure 2.2:RS-422/485 Jumper Setting	14
			Figure 2.3:RS-232 Jumper Setting	14
		2.3.5 RS-485 Auto Flow/RS-422 Master/Slave Selection ....		14
			Table 2.1:Auto Flow & RS-422 Slave/Masters	15
		2.3.6 IRQ, I/O Address and Transmission Rate Setting		15
			Table 2.2:IRQ Setting via Switch 1 at SW3	16
		2.3.7	Table 2.3:Transmission Rate (Switch 2 at SW3)	16
			Termination Resistor (JP6)	17
	2.4	LAN: Ethernet Connector		17
	2.5 Onboard Isolated Digital Input			17
		2.5.1	Pin Assignments	17
			Figure 2.4:Digital Input Connector Pin Assignments ..	17
		2.5.2	Table 2.4:Digital Input Connector Signal Description	18
			Isolated Inputs	18
			Figure 2.5:Isolated Digital Input Connection	18
		2.5.3 Interrupt Function of the DI Signals		19
		2.5.4	IRQ Level	19
		2.5.5	Interrupt Control Register	19
			Table 2.5:Interrupt Control Register Bit Map	19
		2.5.6 Interrupt Enable Control Function		20
			Table 2.6:Interrupt Disable/Enable Control	20
		2.5.7 Interrupt Triggering Edge Control		20
		2.5.8	Table 2.7:Interrupt Triggering Edge Control	20
			Interrupt Flag Bit	20
			Table 2.8:Interrupt Flag Bit Values	20
	2.6 Onboard Isolated Digital Output			21

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