Firmware V3.00
05.08.2019
29/100
5.3.5 Real time clock
The UA 410 L AC is equipped with a real-time clock. This clock is battery-backed and keeps running in an
electric power failure. The real-time clock synchronises the software clock cyclically. This is intended to
accommodate stand-alone operation of the UA 410 L. When a CAN bus is connected, the real-time clock and
software clock are synchronized via the CAN bus.
The internal clock of the UA 410 L AC registers the date and time of day. Automatic summer / winter time
changeover can be selected (last Sunday in March and October).
Software clock over CAN bus
When connected to the CAN bus, the software clock is cyclically synchronised from a higher level controller
with real-time clock (system centre, store computer or operator terminal).
5.3.6 BT 30 temperature display
Up to 4 BT 30 temperature displays can be connected to the case controller.
The connection is made via the connection DISPLAY (terminals 1..6) using an RJ45 splitter.
The following temperatures of a case controller or controller type can be displayed:
Controller type
Display of temperatures on the BT 30 in °C
Address 1
Address 2
Address 3
Address 4
UA 410 L
Rx.1
Rx.2
Rx.3
Rx.4
Wire loop - BT 30 configuration
green wire
closed
open
closed
open
white wire
closed
closed
open
open
