Menu P2 - General Data - LOVATO ELECTRIC ATL20 Manual Operativo

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6
MENU P2 – GENERAL DATA
PAR
Function
P2.01
Type of application
P2.02
Phase sequence control
P2.03
Main line selection
Interlock time Line 1 ¥ Line 2
P2.04
¥
P2.05
Interlock time Line 1
Line 2
P2.06
Changeover strategy
P2.07
Type of circuit breaker control
P2.08
Maximum time for circuit breaker operation (A03 - A04 Alarms delay)
P2.09
Open command duration
P2.10
Close command duration
P2.11
Maximum time for load not energised (A07 Alarm trip delay)
P2.12
Lock of automatic restore to main line
P2.13
Pre-transfer time
P2.14
Post-transfer time
P2.15
Generator start delay
P2.16
Generator cooling time
P2.17
Generator rotation interval
P2.18
Generator rotation hour
P2.19
Generator rotation minutes
P2.20
Battery minimum voltage threshold
P2.21
Battery maximum voltage threshold
P2.22
Battery threshold delay
P2.23
RTC setting at startup
P2.24
Voltage control enable in MAN mode
P2.25
Continuous command in RESET/OFF mode
P2.26
EJP start delay
P2.01 - Defines the type of application for the control of one or two generating sets, enabling the management of the relevant input/output signals.
P2.03 - Defines which is the main line, i.e. the line taking on the load when both sources are available.
P2.06 - OBP (Open Before Presence) means that, in automatic mode, the open command of a circuit breaker is generated when the line concerned goes beyond
limits, irrespective of the status of the alternative line.
OAP (Open After Presence) means that, in automatic mode, the open command of a circuit breaker is sent only after the alternative line is present within limits.
P2.07 - Defines whether open-close outputs must be continuously active (application with circuit breakers without feedback) or in pulse mode, i.e. activated
until the circuit breaker / switch has been positioned as required.
If in pulse mode, the command is extended for a specified time (see P2.09 and P2.10) even after positioning completion.
If contactors are used, P2.07 must be set to "Cnt".
P2.08 - If, after sending an open or close command to a circuit breaker, this is not positioned correctly within this time, alarm A03 or A04 is generated. It works
when the auxiliary contacts of circuit breaker status are programmed and wired.
P2.09 - Minimum duration of an opening command pulse.
For the motorised circuit breaker application, it must be set to a time long enough to allow the loading of the springs. This time is considered also when working
in continuous mode.
P2.10 - Duration of the opening command pulse.
P2.11 - If in automatic mode, both sources are not available at the same time for a time exceeding P2.11, alarm A07 is generated.
P2.12 - If this parameter is enabled, after a transfer to the secondary line, restore to main line does not occur automatically when the latter becomes available
again, but it must be commanded in manual mode.
P2.13 - Excitation time of the pre-transfer output before switching from one line to the other.
P2.14 - Excitation time of the post-transfer output after switching from one line to the other.
P2.15 - Time elapsing between the used line failure and the sending of the transfer signal to the generator on the alternative line. This time is independent of the
circuit breaker opening time.
P2.16 - Time during which the generator is left in operation to cool after it has been disconnected from the load.
P2.17 - P2.18 - P2.19 - These parameters allow to implement a time rotation in G-G applications, switching the priority between the two generators. P2.17
defines the rotation interval between the two generators. The time of day when rotation will occur is defined by P2.18 and P2.19. If the rotation interval exceeds
24h, then rotation always occurs at the time stated every n days. Contrarily, if it is less than 24h, then it occurs at the time specified and also at submultiples.
For instance, if you set time at 12:30 and rotation every 6h, there will be a changeover at 12:30, one at 18:30, one at 0:30, etc.
P2.23 - Defines whether, it must signal the need to set the calendar clock or not (Set rtc message) when the ATL is powered. For ATL20, if the real-time-clock is
not set after power-on, it returns to the default value.
P2.24 - Enables or disables voltage control in MAN mode. If the control is enabled, no transfers are performed between the two lines, but the individual
switching device is opened/closed when its voltage goes
beyond / restores within limits.
P2.25 - Defines the operation of the open/close command outputs when working in continuous command mode and ATL is in RESET/OFF mode. This parameter
can be useful when working with contactors.
P2.26 - Delay between the EJP start signal and the effective start signal sent to the generator.
Range
Default
U-G = Utility to Generator
U-G
U-U = Utility to Utility
G-G = Generator to Generator
OFF – Disabled
OFF
123 – Direct
321 – Inverse
-1- Line 1
-1-
-2- Line 2
0.1 ... 90.0 s
6.0 s
0.1 ... 90.0 s
6.0 s
ObP – Open Before Presence
OBP
OAP – Open After Presence
Con – Continuous
PUL
PUL – Pulse
Cnt - Contactors
1...900s
5 s
1.0...60.0s
10.0s
1.0...60.0 s
1.0 s
1.0...60.0s
1.0s
OFF – Disabled
OFF
ON – Lock on
OFF / 1...300s
OFF
OFF / 1...300s
OFF
0 .... 900s
1s
1...3600s
120s
OFF / 1h / 2h / 3h / 4h /
OFF
6h / 8h / 12h / 1d / 2d /
3d / 4d / 5d / 6d / 7d
0...23
12
0...59
0
OFF / 70...100%
75%
OFF / 110...140%
130%
0...60s
10s
OFF / On
On
OFF / On
OFF
OFF - Release command
Noc
output
Noc - No change on
command output
OFF / 70...100%
75%
G
B

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