ABB | SACE Emax 2
Specific applications | 2 - Load control
161 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
Continued from the previous page
Load control via wiring
For load control via wiring, for each load the master requires at least:
• An input, to get information on the open/closed state of the slave on the supply side of the load.
• Either one or two outputs, depending on the type of slave, to control its opening/closing (two outputs if
the slave is a circuit-breaker, for example one output to control the opening coil and one output to control
the closing coil).
For these signals, the inputs and outputs of the signalling modules connected to the master can be used
(Ekip Signalling 4K mounted on the trip unit, or 2K or 10K modules connected to the trip unit via Local Bus,
see the chapters “5 - Ekip Signalling 4K module" and "6 - Ekip Signalling 2K modules“ and the manual
for 10K modules). Thus, if the slaves are circuit-breakers, the maximum number of loads
that can be controlled through wiring is:
• Two, if the master is an E1.2 and 2K modules are used (4k modules cannot be installed on E1.2 circuit
breakers, and a maximum of two 2k modules can be connected).
• Five, if the master is an E2.2, an E4.2 or an E6.2, and 4K and 2K modules are used.
• 15, if 10K modules are used.
More information on the connections, the equipment of the master and of every type of slave (for example:
air , molded-case, miniature circuit-breakers), and examples of applications are provided in the White Paper
“Load management with Ekip Power Controller for SACE Emax 2”.
Load control via Link Bus
Load control via Link Bus offers the advantage of reducing the number of cables. In fact, the information on
the state of the circuit-breakers and the opening/closing controls is shared by the trip units on the Link Bus,
and each connected trip unit can be set so as to select the shared information required to perform its own
function.
Furthermore, load control via Link Bus is possible even if the slaves are not SACE Emax 2 circuit-breakers,
by using the inputs and outputs of Ekip Signalling 10K modules configured to communicate via Link Bus and
associated to the trip unit mounted on the master.
NOTE:
unlike the 10K modules connected to the trip unit via Local Bus (with which the
programming of inputs and outputs must be performed via Ekip Connect, by connecting to
the trip unit), the programming of the inputs and outputs of 10K modules configured to
communicate via Link Bus must be performed via Ekip Connect, connecting the module. For
details, see the manual
of the 10K modules.
Load control via Link Bus is useful if the loads are located in different switchboards and the connection
distances are long. And it is possible by setting up one or more Ethernet switches, with an adequate number
of outputs for the connection of all the trip units equipped with Ekip Link modules and Ekip Signalling 10K
modules configured to communicate via the Link Bus of the installation.
More information on the connections, the equipment of the master and of every type of slave (for example:
air , molded-case, miniature circuit-breakers), and examples of applications are provided in the White Paper
“Load management with Ekip Power Controller for SACE Emax 2”.
Содержание SACE Emax E1.2
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