P521/EN AD/B21
Update Documentation
Page 2/24
MiCOM P521
Document Ref.
Section
Page No.
Description
P521/EN AP/B11
53
MiCOM P521 trip circuit supervision
mechanism
Figure 22 : amended
54
Figure 23 : amended
3.8.1
55
Figure 24 : amended
5.8
74
Unconditional 4 wire pilot
communications for distances
greater than 1.2km (P595)
Note : amended
P521/EN CM/B11
9.3.2
32
Protection comms. fault
Figure 2 : amended
P521/EN MC/B11
2.
3
Definitions
Switch diagram : added to end of section
P521/EN AC/B11
5.1
13
Function of loopback test box
Figure 6 : amended
P521/EN VC/B11
-
-
Hardware/software version history
and compatibility
Updated to reflect latest relay software