Chapter 7: Programming 7-17

 

Communications Protocol Hex Tag Summary

 

 

 

 

 

 

 

Communications Protocol Type

Hex Tag

 

 

 

 

 

OCIA NCR Short (Datachecker)

0

 

 

 

 

 

 

OCIA NCR Long

1

 

 

 

 

 

 

OCIA Non-NCR Dual Cable

2

 

 

 

 

 

 

IBM 468x/9x Address 4A

3

 

 

 

 

 

 

IBM 468x/9x Address 4B (HHBCR)

4

 

 

 

 

 

 

RS-232

5

 

 

 

 

 

 

OCIA Single Cable

6

 

 

 

 

 

 

OCIA NCR Dual Cable

7

 

 

 

 

 

Casio 4-Bit, Parallel, Dual Cable

A

 

 

 

 

 

 

IBM 1520 (BRC, IBM 468x/9x Port 4B)

B

 

 

 

 

TEC, 4-Bit, Parallel, Dual Cable

C

 

 

 

 

 

Programming Example

Following is an example of a completed Communications Protocol worksheet. In this example, RS-232 is the selected protocol.

Your Program

1

0

5

CommunicationsProtocol

Protocol

R0064

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NCR 7870 manual Programming Example, Communications Protocol Hex Tag Summary, Your Program