ProSoft Technology MVI46-103M - Manual (Page 33)

Module Configuration MVI46-103M ♦ SLC Platform
IEC 60870-5-103 Master Communication Module
ProSoft Technology, Inc. Page 33 of 187
September 12, 2006
devices as the master driver for each port will execute these automatically when
the port is idle. In order for the port to be idle, make sure that there is idle time
available and that the commands do not constantly utilize the ports. The
command list section starts with a reserved label START and ends with the label
END
. Each row in the file corresponds to an individual command with the first
character position in each row left blank (white space). The contents of each
command record is outlined in the following table:
Col Field Description
1 Enable
Code This field determines when the command will be executed according to the
following codes:
0=Command is disabled and will only execute if enabled from PLC
processor
1=Command will execute no more frequently than the time set in the Poll
interval
2=Command will execute when the last value read in the database differs
from the current value
2 Database
Index This field specifies the location in the module's internal database to
associate with the command. The data type used in the command
determines addressing of the index as follows:
Type Description DB Index type
0 Special command *Word address
6 Time synchronization *Word address
7 General interrogation *Word address
20 General command (2
bit control) Bit address
*Word address = Value only used to signal when to send event (Enable
Code = 2)
3 Poll
Interval This parameter is used if the Enable Code field is set to a value of 1. It
sets the minimum number of seconds to delay between successive
execution of the command.
4 Session This parameter is utilized to associate the command with one of the
sessions defined for the module.
5 Sector This parameter associates the command with the proper sector of the
selected session.