Alstom MX3IPG2A - Page 6

pag. 6
MDE/C133 2561 001 MX3IPG2A
OVERCURRENT PROTECTION
measurement range: 0 ÷ 1.2 A
Settings
threshold I~>: 0.01÷0.10 A / OFF
starting signalling delay tstart: 0.00 ÷ 9.99 s
definite time trip delay t3: 0.05 ÷ 600 s
threshold settings step: 0.001
time setting step: 0.01
UNDER/OVERVOLTAGE PROTECTION (diagnostics)
undervoltage threshold : 28 V
trip delay : 2 s
overvoltage threshold : 52 V
trip delay : 2 s
DIRECT UNDER/OVERVOLTAGE PROTECTION
rated voltage (jumper in S20) Un: 30 ÷ 300 V
rated voltage (jumper in S21) Un: 3 ÷ 30 V
rated voltage (jumper in S22) Un: 0.3 ÷ 3 V
rated voltage (jumper in S23) Un: 0.03 ÷ 0.3 V
first undervoltage threshold U-<: 0.5 ÷ 1.2 Un / OFF
starting signalling delay tstart: 0.00 ÷ 9.99 s
trip delay t4: 0.02 ÷ 600.00 s
second threshold di minima tensione U-<<: 0.5 ÷ 1.2 Un / OFF
starting signalling delay tstart: 0.00 ÷ 9.99 s
trip delay t5: 0.02 ÷ 600.00 s
first overvoltage threshold U->>: 0.5 ÷ 1.2 Un / OFF
starting signalling delay tstart: 0.00 ÷ 9.99 s
trip delay t6: 0.02 ÷ 600.00 s
second overvoltage threshold U->>: 0.5 ÷ 1.2 Un / OFF
starting signalling delay tstart: 0.00 ÷ 9.99 s
trip delay t7: 0.02 ÷ 600.00 s
settings step: 0.01
ADDITIONAL SETTINGS
rated frequency fn: 50 or 60 Hz
minimum pulse width of end relays timp: 0.02 ÷ 1 s
additional timer tX1: 0.02 ÷ 600 s
additional timer tX2: 0.02 ÷ 600 s
additional timer tX3: 0.02 ÷ 600 s
Auxiliary power supply
MX3IPG2A.11, .61 and .71 versions
Uaux: 19 ÷ 100 Vcc
Uaux: 19 ÷ 72 Vca
MX3IPG2A.12, .62 and .72 versions
Uaux: 64 ÷ 300 Vcc
Uaux: 64 ÷ 275 Vca
X2/IPG2A attachment Uaux: 10 ÷ 315 Vca
frequency for Uaux in c.a.: 47 ÷ 63 Hz
burden (minimum/maximum) in d.c.: 5 W / 10 W
burden (minimum/maximum) in a.c.: 10VA / 20VA
burden of X2/IPG2A attachment in c.a.: 5 VA
Output contact rating
rated current: 5 A
breaking power (110 Vcc; L/R= 40 ms; 10
5
operations): 0.3 A
make and carry for 0.5 s: 30 A
mechanical durability: 10
6
operations
Digital inputs
MX3IPG2A.11, .61 and .71 versions
Uaux IN DIG: 19 ÷ 100 Vcc
maximum series lead resistance: 8.8 kohm
with additional external resistor, rated 4.7 kohm 2 W 30 ÷ 150 Vcc
with additional external resistor rated 18 kohm 7 W
50 ÷ 300 Vcc
MX3IPG2A.12, .62 and .72 versions
Uaux IN DIG: 64 ÷ 264 Vcc
maximum series lead resistance: 48 kohm
with additional external resistor rated 6.8 kohm 1 W 75 ÷ 300 Vcc
Errors of measuring equipment
 Resistance threshold
relative error: ≤ 3 % of set value (with min. value 20 Ohm)
consistency : ≤ 1 % of set value
 Current threshold
relative error: ≤ 3 % of set value + 0.005 A
consistency: ≤ 1 % of set value + 0.005 A
 Voltage thresholds
relative error : ≤ 2.5% + 1 V
consistency : ≤ 1% + 1 V
 Direct voltage thresholds
relative error (selector Un: S20): ≤ 3% (minimum 1 V)
(selector Un: S21): ≤ 3% (minimum 100 mV)
(selector Un: S22): ≤ 3% (minimum 10 mV)
(selector Un: S23): ≤ 3% (minimum 1 mV)
relative error : (selector Un: S20): ≤ 1% (minimum 1 V)
(selector Un: S21): ≤ 1% (minimum 100 mV)
(selector Un: S22): ≤ 1% (minimum 10 mV)
(selector Un: S23): ≤ 1% (minimum 1 mV)
Error variation
as frequency varies within the range ± 5% fn
and with ≤ 5% distortion factor
 Current threshold
relative error: ≤ 1 % of set value + 0.0025 A
 Voltage threshold
relative error : ≤ 1% + 1 V
as temperature and Uaux vary within the operating range
 Current threshold
relative error: ≤ 0.5% of set value + 0.001 A
 Voltage threshold
relative error : ≤ 0.5% + 1 V
 Direct voltage threshold
relative error (selector Un: S20): ≤ 0.5% (minimum 1 V)
(selector Un: S21): ≤ 0.5% (minimum 100 mV)
(selector Un: S22): ≤ 0.5% (minimum 10 mV)
(selector Un: S23): ≤ 0.5% (minimum 1 mV)
for asymmetric values
transient overreach: ≤ 5%
Time errors
relative error on definite times: ≤ 3% or 20 ms
consistency on definite times: ≤ 1% or 20 ms
Variation of time errors
as temperature and Uaux vary within the operating range
relative error on definite times: ≤ 0.5% or 10 ms
Other characteristics
reset ratio for maximum thresholds: > 0.95
reset ratio for minimum thresholds: < 1.05
reset time: ≤ 50 ms
overshoot: ≤ 30 ms
Operating ranges
service temperature: -10 °C ÷ +60 °C
storage and transport temperature: -25 °C ÷ +80 °C
relative humidity: < 95% with no formation of condensate
vibration: IEC255-21-1; class 2; 0.075mm 10-60Hz; 1g 60-500Hz
Weight
total: 2.5 Kg