PRODUCT DESCRIPTION
SKF Enlight Collect gateway
SKF Enlight Collect IMx-1 System
User Manual
Revision F
o Off: gateway is unpowered
• Lower, Status LED indicator
o Off: gateway is unpowered
o White fixed: gateway is starting up
o Yellow fixed: gateway is not commissioned
o Green flashing: gateway is commissioned but not connected to the
backend and/or not NTP synchronised
o Green fixed: gateway connected to the backend and synchronised
o Red fixed: fatal error (permanent fault, requires manual action)
Connected relates to the establishment of a connection between the gateway and the
@ptitude Observer MQTT service.
1.4.4 Data and event time stamping
Each gateway has a backup power capacitor which will maintain the Real Time Clock
(RTC) setting for approximately one week if the device is disconnected from power.
1.4.5 Data acquisition scheduling
The gateway is configured with four data acquisition schedules by way of Interval
and Interval alarm settings for both the Trend measurements and Dynamic
measurements. The Measurement schedule can be set in Active time period by
selecting from-to time span. The weekday on which the measurement should be
performed can also be selected. These schedules are common to sensors
associated with a machine and are set in @ptitude Observer at the Machine
Properties level, Enlight Collect IMx-1 System tab, see
Gateways.
Notes on scheduling and measurements:
To ensure sensor network stability, the gateway is a master to the multiple sensor
‘slaves’ so a sensor can never initiate a measurement nor the transfer of data to the
gateway. Measurement and measurement data transfer is always at the request of
the gateway and these requests are sent sequentially to the different sensors.
After a start-up the gateway will wait for the configured interval period before
requesting the ‘first’ sensor measurements. If changes are made to the schedule and
these changes are synchronised, any ongoing measurement cycle for the machine
will complete and then the new schedule will be implemented.
In addition, whenever a sensor receives a new configuration, for example and
including its initial configuration during commissioning, the gateway will then request
that the sensor make a set of overall measurements, without waiting for the
configured time period. This ensures a timelier receipt of data during commissioning
rather than having to wait for the scheduled time to elapse.
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