GE Multilin 745 Communications Manual page 61

CHAPTER 2: MODBUS PROTOCOL
Table 2–4: 745 memory map (Sheet 43 of 56)
Addr Description
20B1 Winding 2 phase instantaneous overcurrent 2 target
20B2 Winding 2 phase instantaneous overcurrent 2 pickup
20B3 Winding 2 phase instantaneous overcurrent 2 delay
20B4 Winding 2 phase instantaneous overcurrent 2 block
20B5 Winding 2 phase instantaneous overcurrent 2 relays
20B6 Reserved
↓ ↓
20BF Reserved
Winding 3 phase instantaneous overcurrent 2
20C0 Winding 3 phase instantaneous overcurrent 2 function
20C1 Winding 3 phase instantaneous overcurrent 2 target
20C2 Winding 3 phase instantaneous overcurrent 2 pickup
20C3 Winding 3 phase instantaneous overcurrent 2 delay
20C4 Winding 3 phase instantaneous overcurrent 2 block
20C5 Winding 3 phase instantaneous overcurrent 2 relays
20C6 Reserved
↓ ↓
20CF Reserved
Winding 1 neutral time overcurrent
20D0 Winding 1 neutral time overcurrent function
20D1 Winding 1 neutral time overcurrent target
20D2 Winding 1 neutral time overcurrent pickup
20D3 Winding 1 neutral time overcurrent shape
20D4 Winding 1 neutral time overcurrent multiplier
20D5 Winding 1 neutral time overcurrent reset
20D6 Winding 1 neutral time overcurrent block
20D7 Winding 1 neutral time overcurrent relays
20D8 Reserved
↓ ↓
20DF Reserved
Winding 2 neutral time overcurrent
20E0 Winding 2 neutral time overcurrent function
20E1 Winding 2 neutral time overcurrent target
20E2 Winding 2 neutral time overcurrent pickup
20E3 Winding 2 neutral time overcurrent shape
20E4 Winding 2 neutral time overcurrent multiplier
20E5 Winding 2 neutral time overcurrent reset
20E6 Winding 2 neutral time overcurrent block
20E7 Winding 2 neutral time overcurrent relays
20E8 Reserved
↓ ↓
20EF Reserved
Winding 3 neutral time overcurrent
20F0 Winding 3 neutral time overcurrent function
20F1 Winding 3 neutral time overcurrent target
20F2 Winding 3 neutral time overcurrent pickup
20F3 Winding 3 neutral time overcurrent shape
745 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
Range Step
--- ---
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
--- ---
0.00 to 100.00 0.01
--- ---
--- ---
1 to 8 ---
↓ ↓
--- ---
--- ---
0.05 to 20.00 0.01
--- ---
0.00 to 100.00 0.01
--- ---
--- ---
1 to 8 ---
↓ ↓
--- ---
--- ---
0.05 to 20.00 0.01
--- ---
MODBUS PROTOCOL
Units Format Default
--- 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
--- F46 1 = Latched
x CT F3 85 = 0.85 x CT
--- F36 0 = Ext Inverse
--- F3 100 = 1.00
--- F68 1 = Linear
--- F87 0 = Disabled
--- F153 None
↓ ↓ ↓
--- F30 0 = Disabled
--- F46 1 = Latched
x CT F3 85 = 0.85 x CT
--- F36 0 = Ext Inverse
--- F3 100 = 1.00
--- F68 1 = Linear
--- F87 0 = Disabled
--- F153 None
↓ ↓ ↓
--- F30 0 = Disabled
--- F46 1 = Latched
× CT F3 85 = 0.85 × CT
--- F36 0 = Ext Inverse
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