Glossary Of Abbreviations - LEGRAND EMDX3 Manuel D'installation

• Glossary of abbreviations

1n1E Single-phase network
3n3E Three-phase 4 wires network, 3 sensors
3-3E Three-phase 3 wires network, 3 sensors
3-2E Three-phase 3 wires network, 2 sensors
3n1E Three-phase 4 wires network, 13 sensor
3-1E Three-phase 3 wires network, 13 sensor
Averag values
Σ
Λ Maximum average values
bLit Backlight LCD display
Ct CT transformation ratio
Cont Display contrast
EACt tPOS Positive active energy
ErEA tPOS Positive reactive energy
EACt tnEg Negative active energy
ErEA tnEg Negative reactive energy
EACt PPOS Positive partial active energy
ErEA PPOS Positive partial reactive energy
EACt PnEg Negative partial active energy
ErEA PnEg Negativ partial reactive energy
Lin 1 Line 1
Lin 2 Line 2
Lin 3 Line 3
MAS MAX. value / Alarm on high threshold
Min Min. value / Alrm on low threshold
PASS Password
PF Power factor
rES Reset
Hour meter depending on power or
rUn hoUr
voltage
SyS Network type
thd A Phase currents THD %
thd V Phase or chained voltages THD %
tIME Integration time of Currents and Powers
Ut VT transformation ratio
MdbS Communication
Addr Slave address
bAUd Speed of communication in kbps
PAr Communication frame parity
EMDX modular multifunction meter
3
nonE Without parity
EVEn Even parity
odd Odd parity
out Ouput type
PULS tyPE Pulse output allocation
EACt Active power (kWh)
ErEA Reactive power (kvarh)
PULS VAL Pulse value
PULS dUr Pulse duration
ALrM tyPE Alarm type
ALrM MEAS Alarm output allocation / Trheshol value
U12, U23, U31 Phase-to-phase voltage U12, U23, U31
U1, U2, U3 Phase-to-neutral voltage V1, V2, V3
I1, I2, I3 Current I1, I2, I3
FrEq Frequency
ACt Active power (kWh)
rEat Reactive power (kvarh)
ALrM unit Decimal point
ALrM Sign Sign
k Kilo (e.g. : kA = kilo amps)
M Mega (e.g. : MA = mega amps)
nC Relay normally closed
nO Relay normally open
hYSt Hysteresis
Alarm intervention delay time (mode
t On ALrM) or
Timing relay (mode rMtt)
t OFF Alarm recovery delay time
rMtb Relay status control via RS 485
Relay status control via RS 485 with
rMtt
return to unenergised state
ModE Energy count mode
Asyn Partial energies count always active
Partial energies count activated by 2
Syn
digital inputs
Count on 4 Tariffs; switching via 2
trFS
digital inputs
Partial energies count always active and
Cntr
Pulse counting via 2 digital inputs
run1 ... run4 Current tariff
71