GE Multilin 745 Communications Manual page 26

MODBUS PROTOCOL
Table 2–4: 745 memory map (Sheet 8 of 56)
Addr Description
020D Instantaneous differential flag
020E Winding 1 phase time overcurrent flag
020F Winding 2 phase time overcurrent flag
0210 Winding 3 phase time overcurrent flag
0211 Winding 1 phase instantaneous overcurrent 1 flag
0212 Winding 2 phase instantaneous overcurrent 1 flag
0213 Winding 3 phase instantaneous overcurrent 1 flag
0214 Winding 1 phase instantaneous overcurrent 2 flag
0215 Winding 2 phase instantaneous overcurrent 2 flag
0216 Winding 3 phase instantaneous overcurrent 2 flag
0217 Winding 1 neutral time overcurrent flag
0218 Winding 2 neutral time overcurrent flag
0219 Winding 3 neutral time overcurrent flag
021A Winding 1 neutral instantaneous overcurrent 1 flag
021B Winding 2 neutral instantaneous overcurrent 1 flag
021C Winding 3 neutral instantaneous overcurrent 1 flag
021D Winding 1 neutral instantaneous overcurrent 2 flag
021E Winding 2 neutral instantaneous overcurrent 2 flag
021F Winding 3 neutral instantaneous overcurrent 2 flag
0220 Winding 1 ground time overcurrent flag
0221 Winding 2 ground time overcurrent flag
0222 Winding 3 ground time overcurrent flag
0223 Winding 1 ground instantaneous overcurrent 1 flag
0224 Winding 2 ground instantaneous overcurrent 1 flag
0225 Winding 3 ground instantaneous overcurrent 1 flag
0226 Winding 1 ground instantaneous overcurrent 2 flag
0227 Winding 2 ground instantaneous overcurrent 2 flag
0228 Winding 3 ground instantaneous overcurrent 2 flag
0229 Winding 1 restricted ground time overcurrent flag
022A Winding 2 restricted ground time overcurrent flag
022B Winding 3 restricted ground time overcurrent flag
022C Winding 1 restricted ground instantaneous overcurrent
flag
022D Winding 2 restricted ground instantaneous overcurrent
flag
022E Winding 3 restricted ground instantaneous overcurrent
flag
022F Winding 1 negative-sequence time overcurrent flag
0230 Winding 2 negative-sequence time overcurrent flag
0231 Winding 3 negative-sequence time overcurrent flag
0232 Winding 1 negative-sequence instantaneous overcurrent
0233 Winding 2 negative-sequence instantaneous overcurrent
0234 Winding 3 negative-sequence instantaneous overcurrent
0235 Underfrequency 1 flag
0236 Underfrequency 2 flag
0237 Frequency decay rate 1 flag
0238 Frequency decay rate 2 flag
0239 Frequency decay rate 3 flag
2–20
Range Step
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745 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
CHAPTER 2: MODBUS PROTOCOL
Units Format Default
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