Areva MiCOM P921 - Page 225

Technical Guide P92x/EN CT/E11
Modbus Protocol
MiCOM P921-P922-P923 Page 35/118
1.7.5.7 Rate of change of frequency ( Only MiCOM P923)
Address Group Description
Settings
range
Step Unit Format
Default
settings
03E2 df/dt1 0-1 1 F24 0
03E3 df/dt1 threshold -100 to 100 1 1/10
Hz/s
F2 10
03E4 df/dt2 0-1 1 F24 0
03E5 df/dt2 threshold -100 to 100 1 1/10
Hz/s
F2 10
03E6 df/dt3 0-1 1 F24 0
03E7 df/dt3 threshold -100 to 100 1 1/10
Hz/s
F2 10
03E8 df/dt4 0-1 1 F24 0
03E9 df/dt4 threshold -100 to 100 1 1/10
Hz/s
F2 10
03EA df/dt5 0-1 1 F24 0
03EB df/dt5 threshold -100 to 100 1 1/10
Hz/s
F2 10
03EC df/dt6 0-1 1 F24 0
03ED df/dt6 threshold -100 to 100 1 1/10
Hz/s
F2 10
03EE to
03EF
Reserved
1.7.6 Page 4 : Remote commands
Writing only access
Address Group Description
Settings
group
Step Unit Format
Default
settings
0400 Remote
control
Remote control word 1 0 to 31 1 - F9 0
1.7.7 Pages 5 and 6 : reserved
1.7.8 Page 7 : Self tests results of the relay MiCOM
Quick reading access only
Address Group Description
Settings
group
Step Unit Format
Default
settings
0700 Protection
Status
Description of the
protection autocontrols
1- F230