F.18
SEL-734 Meter Instruction Manual Date Code 20090730
Modbus RTU Communications Protocol
Modbus RTU Communications Protocol
1283 0503 IN Demand UINT1000
1284–1287 0504–0507 WA IN, OUT Reserved if Form 5 LONG100
1288–1291 0508–050B WB IN, OUT Reserved if Form 5 LONG100
1292–1295 050C–050F WC IN, OUT Reserved if Form 5 LONG100
1296–1299 0510–0513 W3P IN, OUT LONG100
1300–1303 0514–0517 VAA IN, OUT Reserved if Form 5 LONG100
1304–1307 0518–051B VAB IN, OUT Reserved if Form 5 LONG100
1308–1311 051C–051F VAC IN, OUT Reserved if Form 5 LONG100
1312–1315 0520–0523 VA3P IN, OUT LONG100
1316–1319 0524–0527 VARA IN LAG, LEAD Reserved if Form 5 LONG100
1320–1323 0528–052B VARA OUT LAG, LEAD Reserved if Form 5 LONG100
1324–1327 052C–052F VARB IN LAG, LEAD Reserved if Form 5 LONG100
1328–1331 0530–0533 VARB OUT LAG, LEAD Reserved if Form 5 LONG100
1332–1335 0534–0537 VARC IN LAG, LEAD Reserved if Form 5 LONG100
1336–1339 0538–053B VARC OUT LAG, LEAD Reserved if Form 5 LONG100
1340–1343 053C–053F VAR3P IN LAG, LEAD LONG100
1344–1347 0540–0543 VAR3P OUT LAG, LEAD LONG100
1348–1351 0544–0547 VARA OUT, IN Reserved if Form 5 LONG100
1352–1355 0548–054B VARB OUT, IN Reserved if Form 5 LONG100
1356–1359 054C–054F VARC OUT, IN Reserved if Form 5 LONG100
1360–1363 0550–0553 VAR3P OUT, IN LONG100
1364 0554 Last Reset Time seconds 0 59 UINT
1365 0555 minutes 0 59 UINT
1366 0556 hours 0 23 UINT
1367 0557 Last Reset Date day 1 31 UINT
1368 0558 month 1 12 UINT
1369 0559 year 2000 9999 UINT
1370–1535 055A–05FF Reserved
(Peak) Demand Metering
Analog values are in secondary.
1536 0600 IA Demand UINT1000
1537 0601 IB Demand UINT1000
1538 0602 IC Demand UINT1000
1539 0603 IN Demand UINT1000
1540–1543 0604–0607 WA IN, OUT Reserved if Form 5 LONG100
1544–1547 0608–060B WB IN, OUT Reserved if Form 5 LONG100
1548–1551 060C–060F WC IN, OUT Reserved if Form 5 LONG100
1552–1555 0610–0613 W3P IN, OUT LONG100
1556–1559 0614–0617 VAA IN, OUT Reserved if Form 5 LONG100
1560–1563 0618–061B VAB IN, OUT Reserved if Form 5 LONG100
1564–1567 061C–061F VAC IN, OUT Reserved if Form 5 LONG100
1568–1571 0620–0623 VA3P IN, OUT LONG100
Table F.23 Modbus Register Map (Sheet 8 of 19)
Address Field Notes Min Max Conversion
Courtesy of NationalSwitchgear.com
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