9.5
Date Code 20090730 Instruction Manual SEL-734 Meter
Settings
Meter Word Bits (Used in SEL
OGIC Control Equations)
Sect ion 9 Se ttings Meter Word Bits ( Use d in SELOGIC Control Equations)
Table 9.4 SEL-734 Meter Word Bit Definitions
(Sheet 1 of 12)
Row Bit Definition
1 7 FALARM Harmonic threshold alarm
6 HARM02 Second harmonic threshold
5 HARM03 Third harmonic threshold
4 HARM04 Fourth harmonic threshold
3 HARM05 Fifth harmonic threshold
2 HARM06 Sixth harmonic threshold
1 HARM07 Seventh harmonic threshold
0 HARM08 Eighth harmonic threshold
2 7 HARM09 Ninth harmonic threshold
6 HARM10 Tenth harmonic threshold
5 HARM11 Eleventh harmonic threshold
4 HARM12 Twelfth harmonic threshold
3 HARM13 Thirteenth harmonic threshold
2 HARM14 Fourteenth harmonic threshold
1 HARM15 Fifteenth harmonic threshold
0 RESET RESET bit asserted
3 7 SAGA A-phase voltage sag element
6 SAGB B-phase voltage sag element
5 SAGC C-phase voltage sag element
4 SAG3P Three-phase voltage sag element
3 SWA A-phase voltage swell element
2 SWB B-phase voltage swell element
1 SWC C-phase voltage sag element
0 SW3P Three-phase voltage swell element
4 7 SAGAB Phase-to-phase AB voltage sag
element
6 SAGBC Phase-to-phase BC voltage sag
element
5 SAGCA Phase-to-phase CA voltage sag
element
4 ITIC_ND CBEMA/ITIC no damage region
3 SWAB Phase-to-phase AB voltage swell
element
2 SWBC Phase-to-phase BC voltage swell
element
1 SWCA Phase-to-phase CA voltage swell
element
0 ITIC_PR CBEMA/ITIC prohibited region
5 7 INTA A-phase voltage interrupt element
6 INTB B-phase voltage interrupt element
5 INTC C-phase voltage interrupt element
4 INT3P Three-phase voltage interrupt
element
3 INTAB Phase-to-phase AB voltage
interrupt element
2 INTBC Phase-to-phase BC voltage
interrupt element
1 INTCA Phase-to-phase CA voltage
interrupt element
0 ITIC_SR CBEMA/ITIC safe region
6 7 QDEM Negative-sequence demand current
above pickup setting QDEM
6 PDEM Phase demand current above
pickup setting PDEM
5 GDEM Residual ground demand current
above pickup setting GDEM
4 NDEM Neutral ground demand current
above pickup setting NDEM
3 RSTDEM Present demand value reset
2 EOIP End of Interval Pulse asserted
(demand)
1 RSTPKDM Peak demand value reset
0 MATHERR Math error asserted for error in
math variables
7 7 FLTBLK Fault block asserted
6 FAULT Fault bit asserted
5 DFAULT Delayed fault asserted
4 TEST Test mode bit asserted
3 IRIGOK IRIG-B input OK
2* Not used.
1 MIU Modem in use
0 LOWBAT Low real-time clock battery warning
8 7 SESNCH TOU season change bit asserted (for
later use)
6 DSTCH DST change bit asserted
5* Not used
4* Not used
3* Not used
Table 9.4 SEL-734 Meter Word Bit Definitions
(Sheet 2 of 12)
Row Bit Definition
Courtesy of NationalSwitchgear.com