Advantech PCM-3753I, Руководство пользователя

Страница: 5 / 30

v Table of Contents
Contents
Chapter 1 General Information ....................................... 2
1.1 Introduction ....................................................................... 2
1.2 Features ............................................................................. 4
1.3 Applications ...................................................................... 4
1.4 Specifications .................................................................... 5
1.5 Pin Assignments (CN5~CN8)........................................... 6
Chapter 2 Installation ....................................................... 8
2.1 Initial Inspection................................................................ 8
2.2 Unpacking ......................................................................... 8
2.3 Jumper Settings ................................................................. 9
Figure 2.1:Location of Connectors and Jumpers ........... 9
Table 2.1:Summary of Jumper Settings ....................... 10
2.4 Setting the BoardID Switch (SW2)................................. 11
Table 2.2:BoardID Setting (SW2) ............................... 11
2.4.1 BoardID Register ......................................................... 11
Table 2.3:BoardID Register of PCM-3753I ................ 11
2.5 SW3 & SW4 Settings...................................................... 12
2.6 Hardware Installation ...................................................... 12
Chapter 3 Operation ....................................................... 14
3.1 Overview ......................................................................... 14
3.2 Digital I/O Ports .............................................................. 14
3.2.1 Introduction .................................................................. 14
3.2.2 8255 Mode 0 ................................................................ 14
3.2.3 Input/Output Control .................................................... 15
Table 3.1:Bitmap of Port Configuration Register ........ 15
3.2.4 Initial Configuration .................................................... 15
3.2.5 Dry Contact Support for Digital Input ......................... 16
Figure 3.1:Wet and Dry Contact Inputs ....................... 16
3.3 Interrupt Functions .......................................................... 17
3.3.1 Introduction .................................................................. 17
3.3.2 IRQ Level .................................................................... 17
3.3.3 Interrupt Control Registers .......................................... 17
Table 3.2:Interrupt Control Register Bitmap ............... 18
Figure 3.2:Interrupt Sources ........................................ 19
3.3.4 Interrupt Source Control .............................................. 20
Table 3.3:Interrupt Mode Bit Values ........................... 20
3.3.5 Interrupt Triggering Edge Control ............................... 21
Table 3.4:Triggering Edge Control Bit Values ............ 21
3.3.6 Interrupt Flag Bit ......................................................... 21
Table 3.5:Interrupt Flag Bit Values ............................. 21
3.3.7 Pattern Match Interrupt Function ................................. 22
3.3.8 Change of State Interrupt Function .............................. 23