M_st_na – ProSoft Technology 5201-DFNT-104S User Manual

Page 58

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104S v2 ♦ ProLinx Gateway

IEC-60870-5-104 (104S) Protocol Implementation

(Firmware v2.xx)

Protocol Manual


Page 58 of 157

ProSoft Technology, Inc.

M_ST_NA

A Monitored Step-Point occupies one byte and uses byte-addressing.

For example, if you configured the following points:

The following table describes how these points would be stored in the gateway
memory database.

Inf. Object Address

Gateway Database Address

300

Low Byte of word 20 (Byte address 40)

301

Low Byte of word 30 (Byte address 60)

302

High Byte of word 40 (Byte address 81)

March 19, 2010

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