ProSoft Technology 5201-DFNT-104C - Manual (Page 57)

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 57 of 139
August 4, 2011
3.4 Using Control (Command) Information Objects
In order to configure the control points please refer to the Client Command
section. Refer to section 2.1.6 for further information about each command field.
The 104C gateway supports the following Control information objects for data
transfer:
ASDU Type Information Object Description
C_SC_NA Control Single Command
C_DC_NA Control Double Command
C_RC_NA Control Regulating Step Command
C_BO_NA Control 32-Bit Bitstring Command
C_SE_NA Control Normalized Value Set Point Command
C_SE_NB Control Scaled Value Set Point Command
C_SE_NC Control Short Floating-Point Value Set Point Command
In addition to these the module also supports generic commands to request
specific tasks from the remote server such as clock synchronization.
Each Control information object is identified by its Information Object Address.
For each Control information object, configure the following parameters:
Point Index - This is the Information Object Address of the information object. It
identifies the information object in the network. This address must be unique for
each sector (Common ASDU Address) in the network.
DB Address - This is the database location in the 104C v3 gateway associated
with the information object. The database address interpretation may be bit-
address, byte-address, word-address, double-word-address depending on the
ASDU type. Refer to the following section for further information: