ProSoft Technology PTQ-101M - Manual (Page 82)

PTQ-101M ♦ Quantum Platform Module Configuration
IEC 60870-5-101 Master Communication Module
Page 82 of 181 ProSoft Technology, Inc.
May 14, 2008
Counter Interrogation
The format of the field for Counter Interrogation Command (101) is as follows:
Counter Interrogation Command
Bit
0
to
5
6
to
7
8
to
15
Description
Counter Interrogation Group
Freeze/Reset Qualifier
Not Utilized
No database value is associated with the construction of this command.
The Qualifier Parameter used with this command defines the counter
interrogation group to request. Only a single group can be requested in a single
command. The qualifier also contains the freeze/reset operation to be utilized
with the command The codes to use for this field are as follows:
Counter Interrogation Group:
0=No counter requested
1=Request counter group 1
2=Request counter group 2
3=Request counter group 3
4=Request counter group 4
5=Request general counter group
6 to 31 = Reserved by standard
32 to 63 = Reserved for special use (private range)
Freeze/Reset Qualifier:
0=No freeze or reset
64=Counter freeze without reset
128=Counter freeze with reset
192=No freeze with counter reset