B&B Electronics PPIO - Manual

Table of Contents:

• Page 2 – Table of Contents; TABLE OF CONTENTS
• Page 3 – NTRODUCTION; The PPIO allows you to connect your IBM PC (or clone)
• Page 4 – Packing List; Examine the shipping carton and contents for physical damage.
• Page 5 – PC P; ARALLEL; To understand how the PPIO can be controlled you must
• Page 7 – Table 1; that will read the TTL levels on those pins. In this; BIT; See
• Page 9 – PPIO D; ESCRIPTION; The PPIO makes use of the eight output pins (pins 2 through 9)
• Page 10 – Figure 1
• Page 11 – ONTROLLING THE; PPIO U; SING; GWBASIC; Refer to the fragment of GWBASIC code in Figure 2 to see how; Figure 2; The above assumes that you are using a parallel port located at
• Page 12 – Table 2; The big advantage of using the ANDing and ORing as shown in
• Page 13 – not; work if any of the PPIO pins are connected to
• Page 14 – The PPIO disk includes two source code files as an example of
• Page 15 – ELSE
• Page 16 – Mask Value; Line
• Page 20 – The PPIO disk includes three source code files as an example
• Page 28 – NTERFACING TO THE; PPIO; Each output of the PPIO is capable of handling currents as high; Figure 3; Each input of the PPIO works with voltages up to 50 volts DC
• Page 29 – Figure 4
• Page 30 – Figure 5 shows a simple use of the PPIO to create an automatic
• Page 31 – Figure 5
• Page 32 – Figure 6
• Page 33 – PPENDIX; Hexadecimal Numbers; Hexadecimal numbers are base-16 numbers. Instead of only; shows the value of the individual; Table 4; can be used; Table 3; Value
• Page 34 – Binary Numbers; Binary numbers are base-2 numbers. They are written as a; shows how to convert any value between 0 and 15 into