Pepper Computer Modular Computers RS485 - Manual (Page 284)

SMART I/O User’s Manual
March 12, 1996 ©1996 PEP Modular Computers GmbH Page 6 - 2
Chapter 6 Communications Modules
Table of Contents
6. Communications Modules .......................6-5
6.1 SM-RS232 ............................................................................. 6-5
6.1.1 Introduction ......................................................................................... 6-5
6.1.2 Specifications ...................................................................................... 6-5
6.1.3 Front Panel Layout .............................................................................. 6-6
6.1.4 Board Overview .................................................................................. 6-6
6.1.5 Functional Description ........................................................................ 6-7
6.1.6 Configuration ...................................................................................... 6-8
6.1.7 Pinouts ................................................................................................. 6-8
6.1.8 ISaGRAF Programming .................................................................... 6-10
6.1.8.1 The ISaGRAF Board Parameters ............................................. 6-10
6.1.8.2 The ISaGRAF Operate Calls .................................................... 6-12
6.1.9 OS-9 Programming ........................................................................... 6-14
6.2 SM-SSI................................................................................. 6-17
6.2.1 Introduction ....................................................................................... 6-17
6.2.2 Specifications .................................................................................... 6-17
6.2.3 Front Panel Layout ............................................................................ 6-18
6.2.4 Board Overview ................................................................................ 6-18
6.2.5 Functional Description ...................................................................... 6-19
6.2.6 SSI Operation .................................................................................... 6-20
6.2.7 Register Description .......................................................................... 6-22
6.2.7.1 Control Register........................................................................ 6-22
6.2.7.2 CTRL1 Register........................................................................ 6-23
6.2.7.3 CTRL2 Register........................................................................ 6-23
6.2.7.4 CTRL3 Register........................................................................ 6-23
6.2.7.5 Compare Register ..................................................................... 6-24
6.2.7.6 Identification Register .............................................................. 6-24
6.2.7.7 Status Register .......................................................................... 6-24
6.2.7.8 STAT1 Register......................................................................... 6-24
6.2.7.9 STAT2 Register......................................................................... 6-25
6.2.7.10 Data Register .......................................................................... 6-25