C_sc_na and c_dc_na – ProSoft Technology 5201-MNET-101S User Manual
Page 94
Reference
IEC-101 Slave ♦ ProLinx Communication Gateway
Protocol Manual
IEC 60870-5-101 v3 Slave (Firmware version 3.xx)
Page 94 of 159
ProSoft Technology, Inc.
August 6, 2010
C_SC_NA and C_DC_NA
The single-point command and dual-point command points use one bit with bit-
addressing. For example, if you configure the following points:
The following table describes how these points would be used.
Inf. Object Address
Module Database Address
100
Bit 0 of word 100
101
Bit 1 of word 100
102
Bit 2 of word 100
The protocol specification defines a qualifier value that is set by the Master to
determine the duration of the pulse (short, long or persistent). Configure the
Short Pulse Time and Long Pulse Time parameters, seen below, to set the
duration of the short and long pulses: