Schweitzer Engineering Laboratories SEL-734 - Page 314

H.4
SEL-734 Meter Instruction Manual Date Code 20090730
Analog Quantities
Vx_RE
b
Real component of Vx where x =A, B,
or C
Volts sec
xx
Vx_IM
b
Imaginary component of Vx where
x = A, B, or C
Volts sec
xx
a
Line-to-Line voltages are not available from Form 9 meters when using Modbus.
b
Real and imaginary currents are scaled in ADC counts (1489) for CL10/CL20 meters and (5079) for CL2 meters. Real and imaginary voltages are
scaled in ADC counts (145).
Ta b l e H .2 D e m a n d M e t e r i n g (Sheet 1 of 2)
Name Description Units
Usage
MET
(Pri)
PRED
(Pri)
HMI
(Pri)
LDP
(Sec)
DP
(Pri)
Logic
(Sec)
DNP
(Pri)
Modbus
(Sec)
FM
(Pri)
AO
(Pri)
IxD Current, x-phase, mag.
where x = A, B, or C
Amps
xxxxxx x x xx
IND Current, neutral, mag. Amps
xxxx xxx
IGD Current, neutral or residual
(auto switching), mag.
Amps
xxx
3I2D Current, 3-phase neg.-seq.,
mag.
Amps
xxx
MVAxDI (9) Apparent power mag.,
x-phase IN where x =A, B,
or C
VA
xxxxxx x x x
MVA3DI Apparent power mag.,
3-phase IN
VA
xxxxxx x x x
MVAxDO (9) Apparent power mag.,
x-phase OUT where x =A,
B, or C
VA
xxxxxx x x x
MVA3DO Apparent power mag.,
3-phase OUT
VA
xxxxxx x x x
MWxDI (9) Real power mag., x-phase
IN where x = A, B, or C
Watts
xxxxxx x x xx
MW3DI Real power mag., 3-phase
IN
Watts
xxxxxx x x xx
MWxDO (9) Real power mag., x-phase
OUT where x = A, B, or C
Watts
xxxxxx x x xx
MW3DO Real power mag., 3-phase
OUT
Watts
xxxxxx x x xx
MVRxDI_LG (9) Reactive power mag.,
x-phase IN lagging where
x = A, B, or C
VA R
xx x xx x x
MVR3DI_LG Reactive power mag.,
3-phase IN lagging
VA R
xx x xx x x
MVRxDI_LD (9) Reactive power mag.,
x-phase IN leading where
x = A, B, or C
VA R
xx x xx x x
MVR3DI_LD Reactive power mag.,
3-phase IN leading
VA R
xx x xx x x
Table H.1 Instantaneous and RMS Quantities (Sheet 3 of 3)
Name Description Units
Usage
MET
(Pri)
HMI
(Pri)
LDP
(Sec)
DP
(Pri)
Logic
(Sec)
DNP
(Pri)
Modbus
(Sec)
FM
(Pri)
AO
(Pri)
Courtesy of NationalSwitchgear.com