2 Functions
204
7SA522 Manual
C53000-G1176-C155-3
2.9.2.4 Information List
2511 Time const. Ï„ 1 .. 60 sec 5 sec Time constant Tau
2512A Rec. Ext. 0.00 .. 30.00 sec 0.65 sec Reception extension
2513A T 3I0> Ext. 0.00 .. 30.00 sec 0.60 sec 3I0> exceeded extension
2514 3I0> Threshold 1A 0.05 .. 1.00 A 0.50 A 3I0 threshold for neutral
current pickup
5A 0.25 .. 5.00 A 2.50 A
2515 TM 0.00 .. 30.00 sec 0.40 sec WI delay single pole
2516 TT 0.00 .. 30.00 sec 1.00 sec WI delay multi pole
2517 1pol. Trip ON
OFF
ON Single pole WI trip allowed
2518 1pol. with 3I0 ON
OFF
ON Single pole WI trip with 3I0
2519 3pol. Trip ON
OFF
ON Three pole WI trip allowed
2520 T 3I0> alarm 0.00 .. 30.00 sec 10.00 sec 3I0> exceeded delay for
alarm
2530 WI non delayed ON
OFF
ON WI non delayed
2531 WI delayed ON
OFF
by receive fail
OFF WI delayed
Addr. Parameter C Setting Options Default Setting Comments
No. Information Type of In-
formation
Comments
4203 >BLOCK Weak Inf SP >BLOCK Weak Infeed
4204 >BLOCK del. WI SP >BLOCK delayed Weak Infeed stage
4205 >WI rec. OK SP >Reception (channel) for Weak Infeed OK
4206 >WI reception SP >Receive signal for Weak Infeed
4221 WeakInf. OFF OUT Weak Infeed is switched OFF
4222 Weak Inf. BLOCK OUT Weak Infeed is BLOCKED
4223 Weak Inf ACTIVE OUT Weak Infeed is ACTIVE
4225 3I0 detected OUT Weak Infeed Zero seq. current detected
4226 WI U L1< OUT Weak Infeed Undervoltg. L1
4227 WI U L2< OUT Weak Infeed Undervoltg. L2
4228 WI U L3< OUT Weak Infeed Undervoltg. L3
4229 WI AUS 3I0 OUT WI TRIP with zero sequence current
4231 WeakInf. PICKUP OUT Weak Infeed PICKED UP
4232 W/I Pickup L1 OUT Weak Infeed PICKUP L1
4233 W/I Pickup L2 OUT Weak Infeed PICKUP L2
4234 W/I Pickup L3 OUT Weak Infeed PICKUP L3
4241 WeakInfeed TRIP OUT Weak Infeed General TRIP command
4242 Weak TRIP 1p.L1 OUT Weak Infeed TRIP command - Only L1
4243 Weak TRIP 1p.L2 OUT Weak Infeed TRIP command - Only L2
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