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ProSoft Technology 5201-DFNT-104C User Manual

Page 59

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104C Version 3 ♦ ProLinx Gateway

IEC-60870-5-104 Protocol Implementation

IEC 60870-5-104 Client (Firmware v3.xx)

Protocol Manual

ProSoft Technology, Inc.

Page 59 of 139

August 4, 2011

C_DC_NA
A Control Double Command information object occupies two bits and uses bit
addressing. For example, if you configure the following information objects:

These information objects would be used as follows:

Inf. Object Address

Module Database Address

800

Bits 0 and 1 of word 200 to hold the Control bits (Bit
addresses 3200 and 3201)