
29/89 Device handbook A
PLUS
with / without LED display
,
157
679-19, 04/2016
ONLINE / OFFLINE
The parametrization may be performed ONLINE (with existing connection to the device) or OFFLINE
(without connection to the device). To perform an ONLINE configuration first the configuration of the
connected device, and therewith its hardware version, is read. A modified configuration can then be
downloaded to the device and stored on the hard disk of the computer for archiving.
An OFFLINE parametrization can be used to prepare device configurations, to store them on disk and to
download it to the devices, once you are in the field where the devices are installed. To make this work,
the device versions selected during parametrization must agree with the versions on site.
6.3 Installation check
Check if inputs are connected correctly
► Voltage (at least 20% U
rated
) and current (at least 2% I
rated
) must be present
Using the connection check, which is integrated in the visualization of the instantaneous values, the
correct connection of the current and voltage inputs may be checked. The phase sequence will be
checked, as well as if there are open connections or reversed current connections (which change the
direction of the current).
The image below shows open current connections (red description I1, I2, I3). This arises because the
individual currents are below 2% of the rated value.
Simulation of I/O's
To check if subsequent circuits will work properly with the measurement data provided by the A
PLUS
all
analog, digital and relay outputs may be simulated, by predefining any output value resp. discrete state by
means of the CB-Manager software.
Also all functions of the logic module, which allows performing any combination of logical states, may be
predefined. This way e.g. an alarming due to a violation of a limit value can be simulated.