DAB Esybox Serie Instructions Pour L'installation Et L'entretien page 69

Automatic alignment of sensitive parameters
When a multipump system is detected, the compatibility of the set parameters is checked. If the sensitive parameters are not aligned among all the
devices, a message appears on the display of each device asking whether you want to propagate the configuration of that particular device to the whole
system. If you accept, the sensitive parameters of the device on which you answered the question will be distributed to all the devices in the chain.
If there are configurations that are not compatible with the system, these devices are not allowed to propagate their configuration.
During normal operation, changing a sensitive parameter of a device results in the automatic alignment of the parameter on all the other devices without
asking for confirmation.
NOTE: The automatic alignment of the sensitive parameters has no effect on all the other types of parameters.
In the particular case of inserting a device with factory settings in the chain (a device replacing an existing one or a device on which the factory
configuration has been restored), if the present configurations with the exception of the factory configurations are compatible, the device with
factory configuration automatically assumes the sensitive parameters of the chain.
Parameters with optional alignment
These are parameters for which it is tolerated that they may not be
aligned among the various devices. At each change of these
parameters, when you come to press SET or MODE, you are asked
if you want to propagate the change to the entire communication
chain. In this way, if all elements of the chain are the same, it avoids
setting the same data on all the devices
11.4.6 First start of the multipump system
Make the electric and hydraulic connections of the whole system as described in par 4.1.1, 4.2.1 and par 5.1.
Switch on the devices and create the associations as described in paragraph 9.5 – AS: Association of devices.
11.4.7 Multipump adjustment
When a multipump system is switched on, the addresses are automatically assigned and an algorithm selects one device as the adjustment
leader. The leader decides the speed and starting order of each device in the chain.
The adjustment mode is sequential (the devices start one at a time). When starting conditions occur, the first device starts, when it has reached
maximum speed the next one starts, and then the others in sequence. The starting order is not necessarily in ascending order according to the
machine address, but it depends on the working hours done see 9.6. - ET: Max. switching time.
11.4.8 Assigning the starting order
Each time the system is switched on a starting order is associated with each device. Depending on this, the sequential starts of the devices are
decided. The starting order is modified during use as necessary by the following two algorithms:
– Reaching the Max. switching time.
– Reaching the maximum inactivity time.
11.4.9 Max. switching time
Depending on the parameter ET (Max. switching time), each device has a working time counter, and depending on this the starting order is
updated with the following algorithm:
– if at least half of the ET value has been exceeded, the priority is exchanged the first time the inverter switches off (exchange to standby);
– if the ET value is reached without ever stopping, the inverter is switched off unconditionally and is taken to minimum restarting priority (exchange
during running).
If the parameter ET (Max. switching time) is set at 0, there is an exchange at each restart.
See 9.6 - ET: Max. switching time.
11.4.10 Reaching the maximum inactivity time
The multipump system has an anti-stagnation algorithm, the aim of which is to keep the pumps in perfect working order and to maintain the
integrity of the pumped fluid. It works by allowing a rotation in the pumping order so as to make all the pumps supply at least one minute of flow
every 23 hours. This happens whatever the device configuration (enabled or reserve). The exchange of priority requires that the device that has
been stopped for 23 hours be given maximum priority in the starting order. This means that as soon as it is necessary to supply flow, it will be
the first to start. The devices configured as reserve have precedence over the others. The algorithm ends its action when the device has
supplied at least one minute of flow. When the intervention of the anti-stagnation algorithm is over, if the device is configured as reserve, it is
returned to minimum priority to preserve it from wear.
ENGLISH
List of parameters with optional alignment:
LA
Language
MS Measuring system
AE Anti-blocking
AF
AntiFreeze
O1 Function output 1
O2 Function output 2
RM Maximum speed
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