GE Multilin 745 Communications Manual page 87

CHAPTER 2: MODBUS PROTOCOL
745 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
Second block of eight bits (–––– –––– 0000 0000): applicable to element pickup and
element operated tokens, enumerated as follows:
Value Bit arrangement
0 –––– –––– 0000 0000
1 –––– –––– 0000 0001
2 –––– –––– 0000 0010
3 –––– –––– 0000 0011
4 –––– –––– 0000 0100
5 –––– –––– 0000 0101
6 –––– –––– 0000 0110
7 –––– –––– 0000 0111
8 –––– –––– 0000 1000
9 –––– –––– 0000 1001
10 –––– –––– 0000 1010
11 –––– –––– 0000 1011
12 –––– –––– 0000 1100
13 –––– –––– 0000 1101
14 –––– –––– 0000 1110
15 –––– –––– 0000 1111
16 –––– –––– 0001 0000
17 –––– –––– 0001 0001
18 –––– –––– 0001 0010
19 –––– –––– 0001 0011
20 –––– –––– 0001 0100
21 –––– –––– 0001 0101
22 –––– –––– 0001 0110
23 –––– –––– 0001 0111
24 –––– –––– 0001 1000
25 –––– –––– 0001 1001
26 –––– –––– 0001 1010
27 –––– –––– 0001 1011
28 –––– –––– 0001 1100
29 –––– –––– 0001 1101
30 –––– –––– 0001 1110
31 –––– –––– 0001 1111
32 –––– –––– 0010 0000
33 –––– –––– 0010 0001
34 –––– –––– 0010 0010
35 –––– –––– 0010 0011
36 –––– –––– 0010 0100
37 –––– –––– 0010 0101
38 –––– –––– 0010 0110
39 –––– –––– 0010 0111
40 –––– –––– 0010 1000
41 –––– –––– 0010 1001
42 –––– –––– 0010 1010
43 –––– –––– 0010 1011
44 –––– –––– 0010 1100
Element pickup / element operated
Any element
Any winding 1 overcurrent
Any winding 2 overcurrent
Any winding 3 overcurrent
Percent differential
Instantaneous differential
Winding 1 phase time overcurrent
Winding 2 phase time overcurrent
Winding 3 phase time overcurrent
Winding 1 phase instantaneous overcurrent 1
Winding 2 phase instantaneous overcurrent 1
Winding 3 phase instantaneous overcurrent 1
Winding 1 phase instantaneous overcurrent 2
Winding 2 phase instantaneous overcurrent 2
Winding 3 phase instantaneous overcurrent 2
Winding 1 neutral time overcurrent
Winding 2 neutral time overcurrent
Winding 3 neutral time overcurrent
Winding 1 neutral instantaneous overcurrent 1
Winding 1 neutral instantaneous overcurrent 1
Winding 1 neutral instantaneous overcurrent 1
Winding 1 neutral instantaneous overcurrent 2
Winding 1 neutral instantaneous overcurrent 2
Winding 1 neutral instantaneous overcurrent 2
Winding 1 ground time overcurrent
Winding 2 ground time overcurrent
Winding 3 ground time overcurrent
Winding 1 ground instantaneous overcurrent 1
Winding 2 ground instantaneous overcurrent 1
Winding 3 ground instantaneous overcurrent 1
Winding 1 ground instantaneous overcurrent 2
Winding 2 ground instantaneous overcurrent 2
Winding 3 ground instantaneous overcurrent 2
Winding 1 restricted ground fault
Winding 2 restricted ground fault
Winding 3 restricted ground fault
Winding 1 restricted ground trend
Winding 2 restricted ground trend
Winding 3 restricted ground trend
Winding 1 negative-sequence time overcurrent
Winding 2 negative-sequence time overcurrent
Winding 3 negative-sequence time overcurrent
Winding 1 negative-sequence instantaneous overcurrent
Winding 2 negative-sequence instantaneous overcurrent
Winding 3 negative-sequence instantaneous overcurrent
MODBUS PROTOCOL
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