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Product description
12
RCMS150_D00259_01_M_XXEN/08.2021
If one of the four set response values
I
ΔN…
is exceeded, the assigned response delay
t
on…
starts. If the response value continues to be exceeded, the corresponding alarm
message (prewarning or main alarm) is indicated on the gateway after the response de-
lay
t
on…
has elapsed.
In the event of a main alarm, the alarm LED of the respective channel K1…6 lights up
yellow.
A pending alarm message is emitted via the BMS or Modbus interface with address and
measuring channel indication and can be evaluated by means of a gateway.
If the recorded residual current falls below the release value (response value minus hys-
teresis) the delay on release
t
off
begins. If the value remains below the release value af-
ter
t
off
has elapsed, the LED of the respective channel goes out. The alarm message is
reset on the interface.
If the fault memory is enabled (only applicable to RCMS150-01), the alarm message re-
mains on the bus despite the LED going out.
All devices can be accessed via the network from any PC using a standard web browser.
Like this, all relevant measurement data of the monitored system are available. All de-
vice-related parameters of the RCMS150… can be set via the gateway technology.
To ensure the device function, a continuous automatic self test is run, which monitors
the function of all measuring current transformers. In the event of a device error, the
alarm LED of the respective channel flashes and an error message is output via the in-
terface.
During the manual self test, a residual current is induced in the respective current trans-
former at each individual channel K1…6 one after the other via test windings and it is
checked whether the corresponding main alarm is triggered. The duration of the test
depends on the response delays of the main alarms.
3.3 Approvals and certifications
UL508
in preparation
CSA
in preparation
LR
in preparation
Содержание LINETRAXX RCMS150
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