Advantech UNO-3082, Руководство пользователя

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vii Table of Contents
Contents
Chapter 1 Overview .......................................................... 2
1.1 Introduction ....................................................................... 2
1.2 Hardware Specifications ................................................... 2
1.3 Safety Precautions ............................................................. 5
1.4 Chassis Dimensions........................................................... 6
Figure 1.1:Chassis Dimensions ...................................... 6
1.5 Packing List....................................................................... 7
Chapter 2 Hardware Functionality ............................... 10
2.1 Introduction ..................................................................... 10
Figure 2.1:Front Panel of UNO-3084 .......................... 10
2.2 RS-232/422/485 Interface (COM1~COM2) .................. 11
2.2.1 16C950 UARTs with 16-byte FIFO Standard ............. 11
2.2.2 RS-422/485 Jumperless Detection ............................... 11
2.2.3 Automatic Data Flow Control Function for RS-485 ... 11
2.2.4 RS-232/422/485 Selection ........................................... 11
Figure 2.2:RS-422/485 Jumper Setting ....................... 12
Figure 2.3:RS-232 Jumper Setting ............................... 12
2.2.5 Terminal Resistor Setup for RS-422/485 ..................... 13
Table 2.1:Terminal Resistor Settings ........................... 13
2.2.6 RS-485 Auto Flow/RS-422 Master/Slave Selection .... 14
2.3 Optional RS-232 Interfaces (COM3~COM4)................. 15
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 Isolated Inputs .............................................................. 18
Figure 2.5:Digital Input Wet Contact Diagram ........... 18
2.5.3 Interrupt Function of the DI Signals ............................ 18
2.5.4 IRQ Level .................................................................... 19
2.5.5 Interrupt Control Register ............................................ 19
Table 2.2:Interrupt Control Register Bit Map ............. 19
2.5.6 Interrupt Enable Control Function ............................... 19
Table 2.3:Interrupt Disable/Enable Control ................. 19
2.5.7 Interrupt Triggering Edge Control ............................... 20
Table 2.4:Interrupt Triggering Edge Control ............... 20
2.5.8 Interrupt Flag Bit ......................................................... 20
Table 2.5:Interrupt Flag Bit Values ............................. 20
2.6 Onboard Isolated Digital Output ..................................... 21
2.6.1 Pin Assignments .......................................................... 21
Figure 2.6:Digital Output Connector Pin Assignments 21
Table 2.6:Digital Output Connector Signals ................ 21
2.6.2 Power On Configuration .............................................. 22
Figure 2.7:Location of CN27 ....................................... 22