F.13
Date Code 20090730 Instruction Manual SEL-734 Meter
Modbus RTU Communications Protocol
Modbus RTU Communications Protocol
393 0189 Bad packet length Number of times the receive
buffer has overflowed
UINT
394–399 018A–018F Reserved UINT
Self Test Status
Status is enumerated as 0 = OK, 1 = WARN, 2 = FAIL
400–403 0190–0193 Channel IA, IB, IC, IN Status ENUM
404–406 0194–0196 Channel VA, VB, VC Status ENUM
407–412 0197–019C Power Supply Status: +3.3, +5, +2.5,
+3.75, –1.25, –5 V
ENUM
413 019D Clock Battery Status ENUM
414 019E Mainboard Temperature Status ENUM
415 019F RAM Status ENUM
417 01A1 Program Memory Status ENUM
416 01A0 Critical RAM Status ENUM
418 01A2 NONVOL Memory Status ENUM
419 01A3 CT Board Status ENUM
420 01A4 PT Board Status ENUM
421 01A5 Auxiliary Board Status ENUM
422 01A6 Meter Enable Status ENUM
423–431 01A7–01AF Reserved
Real Time Clock
Date and Time are write enabled after valid password write.
432 01B0 Time (sec) ss 0 59 UINT
433 01B1 Time (min) mm 0 59 UINT
434 01B2 Time (hour) hh 0 23 UINT
435 01B3 Date (day) day 1 31 UINT
436 01B4 Date (month) month 1 12 UINT
437 01B5 Date (year) year 2000 9999 UINT
438 01B6 Time Source 0 = Internal, 1 = External ENUM
439–447 01B7–01BF Reserved
Sequential Event Recorder
Record 1 (Selected) is record closest in date / time to the starting date and time + selected number. See
Table F.24 for enumeration.
NOTE: All Min/Max Times include: Seconds (0—59); Minutes (0—59); Hours (0—23)
All Min/Max Dates include: Days (0—31); Months (1—12); Years (2000—9999)
448 01C0 Start Record Time seconds 0 59 UINT
449 01C1 minutes 0 59 UINT
450 01C2 hour 0 23 UINT
451 01C3 Start Record Date day 1 31 UINT
452 01C4 month 1 12 UINT
453 01C5 year 2000 9999 UINT
454 01C6 Selected starting record Read/Writable 0 512 UINT
455 01C7 Number of records available Records available since start
date/time
0 512 UINT
Table F.23 Modbus Register Map (Sheet 3 of 19)
Address Field Notes Min Max Conversion
Courtesy of NationalSwitchgear.com
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