GE Multilin 745 Communications Manual page 60

Transformer protection system
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MODBUS PROTOCOL
Table 2–4: 745 memory map (Sheet 42 of 56)
Addr
Description
2067
Winding 3 harmonic derating correction
2068
Winding 3 phase time overcurrent relays
2069
Reserved
206F
Reserved
Winding 1 phase instantaneous overcurrent 1
2070
Winding 1 phase instantaneous overcurrent 1 function
2071
Winding 1 phase instantaneous overcurrent 1 target
2072
Winding 1 phase instantaneous overcurrent 1 pickup
2073
Winding 1 phase instantaneous overcurrent 1 delay
2074
Winding 1 phase instantaneous overcurrent 1 block
2075
Winding 1 phase instantaneous overcurrent 1 relays
2076
Reserved
207F
Reserved
Winding 2 phase instantaneous overcurrent 1
2080
Winding 2 phase instantaneous overcurrent 1 function
2081
Winding 2 phase instantaneous overcurrent 1 target
2082
Winding 2 phase instantaneous overcurrent 1 pickup
2083
Winding 2 phase instantaneous overcurrent 1 delay
2084
Winding 2 phase instantaneous overcurrent 1 block
2085
Winding 2 phase instantaneous overcurrent 1 relays
2086
Reserved
208F
Reserved
Winding 3 phase instantaneous overcurrent 1
2090
Winding 3 phase instantaneous overcurrent 1 function
2091
Winding 3 phase instantaneous overcurrent 1 target
2092
Winding 3 phase instantaneous overcurrent 1 pickup
2093
Winding 3 phase instantaneous overcurrent 1 delay
2094
Winding 3 phase instantaneous overcurrent 1 block
2095
Winding 3 phase instantaneous overcurrent 1 relays
2096
Reserved
209F
Reserved
Winding 1 phase instantaneous overcurrent 2
20A0
Winding 1 phase instantaneous overcurrent 2 function
20A1
Winding 1 phase instantaneous overcurrent 2 target
20A2
Winding 1 phase instantaneous overcurrent 2 pickup
20A3
Winding 1 phase instantaneous overcurrent 2 delay
20A4
Winding 1 phase instantaneous overcurrent 2 block
20A5
Winding 1 phase instantaneous overcurrent 2 relays
20A6
Reserved
20AF
Reserved
Winding 2 phase instantaneous overcurrent 2
20B0
Winding 2 phase instantaneous overcurrent 2 function
2–54
Range
Step
---
---
1 to 8
---
---
---
---
---
0.05 to 20.00
0.01
0 to 60000
1
---
---
1 to 8
---
---
---
---
---
0.05 to 20.00
0.01
0 to 60000
1
---
---
1 to 8
---
---
---
---
---
0.05 to 20.00
0.01
0 to 60000
1
---
---
1 to 8
---
---
---
---
---
0.05 to 20.00
0.01
0 to 60000
1
---
---
1 to 8
---
---
---
745 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
CHAPTER 2: MODBUS PROTOCOL
Units
Format
Default
---
F30
0 = Disabled
---
F153
None
---
F30
1 = Enabled
---
F46
1 = Latched
x CT
F3
1000=10.00xCT
ms
F1
0 ms
---
F87
0 = Disabled
---
F153
None
---
F30
1 = Enabled
---
F46
1 = Latched
x CT
F3
10.00 x CT
ms
F1
0 ms
---
F87
0 = Disabled
---
F153
None
---
F30
1 = Enabled
---
F46
1 = Latched
x CT
F3
1000=10.00xCT
ms
F1
0 ms
---
F87
0 = Disabled
---
F153
None
---
F30
1 = Enabled
---
F46
1 = Latched
x CT
F3
1000=10.00xCT
ms
F1
0 ms
---
F87
0 = Disabled
---
F153
None
---
F30
1 = Enabled

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