Table of Contents
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CHAPTER V
CARD READER CONTROLLER
INTRODUCTION
The NCR Model EM-D2 (PE) Card Reader is used in the 1700 Low Speed System.
This
card reader is capable of reading approximately 100 cards/min.
Card columns are
read by photocells in the read station area of the card reader.
The data is
amplified by preamplifiers before being transferred to the card reader controller.
The 1729 includes the controller
logic and one card reader.
Table 5-1 shows the Function codes and table 5-2 shows the
Status Codes for
the card Reader.
AOO--Clear Controller
A01--Clear Interrupt
A02--Select Data Int.
A03--Select E.O.R. Int.
A04--Select Alarm Int.
A05--Start Motion
A06--Stop Motion
Table 5-1
Card Reader Function Codes
5-1
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