P54x/EN PL/La4 Programmable Logic
(PL) 7-56
MiCOM P543, P544, P545 & P546
PL
Opto-input
number
P545 relay text Function
9 Input L9 L9 CB AuxA 52-B
10 Input L10 L10 CB AuxB 52-B
11 Input L11 L11 CB AuxC 52-B
12 Input L12 L12 MCB/VTS
13 Input L13 L13 CB Close Man
14 Input L14 L14 Reset Lckout
15 Input L15 L15 CB Healthy
16 Input L16 L16 BAR
17 Input L17 L17 PIT
18 Input L18 L18 Prop Dly Eq
19 Input L19 L19 IM64 1
20 Input L20 L20 IM64 2
21 Input L21 L21 IM64 3
22 Input L22 L22 IM64 4
23 Input L23 L23 Not Used
24 Input L24 L24 Not Used
25 Input L25 L25 Not Used
26 Input L26 L26 Not Used
27 Input L27 L27 Not Used
28 Input L28 L28 Not Used
29 Input L29 L29 Not Used
30 Input L30 L30 Not Used
31 Input L31 L31 Not Used
32 Input L32 L32 Not Used
Opto-input
number
P546 relay text Function
1 Input L1 L1 Inhibit Diff
2 Input L2 L2 BAR
3 Input L3 L3 Aid 1 Receive
4 Input L4 L4 Aid 1 COS/LGS
5 Input L5 L5 Reset LEDs
6 Input L6 L6 CB2 AuxA 52-B
7 Input L7 L7 CB2 AuxB 52-B
8 Input L8 L8 CB2 AuxC 52-B
9 Input L9 L9 CB AuxA 52-B
10 Input L10 L10 CB AuxB 52-B
11 Input L11 L11 CB AuxC 52-B
12 Input L12 L12 MCB/VTS