Manual Unlocking Of The Door - Thermo Scientific TSB140R Operating And Maintenance Instructions Manual

External Terminal Board
When the external terminal board is installed behind the
unit, it is possible to connect the equipment to an
external alarm system by dry contacts (AL1, AL2) and
ethernet port.
Figure 20. External Terminal Board Label
AL1
The dry contact (no-c-nc) commutes when an alarm/failure of touchscreen controller (or DMLP DIGITAL MONITOR,
if present) happens.
Table 9. AL1 Configurations
AL1 Configurations
Standard
•
AL1
4-20mA Output (Optional)
The 4-20mA outputs allows connecting the equipment
to an external system with 4-20mA input. 4-20mA
outputs convert a temperature value detected by the
touchscreen controller or DMLP digital monitor probe
into an electric signal.
Manual Unlocking of the
Door
In the event of unexpected power failure, it is possible to
unlock the electronic locking (if installed) by means of
the screw driver (
Figure 22
Medical Devices -Touch Controller
with DMLP
installed
•
).
Figure 21. External Terminal Board Position
with DMLP and PT100 probe for temp. product simulation
installed
•
Figure 22. Screw Driver
-
One chamber equipment:
dedicated slot placed on the front panel side in
accordance with the door handle position.
In order to be able to open the door, it is necessary
to hold the release lever pushed. By stopping
pushing, the mechanism door will be locked again.
( ).
Figure 23
37 | Touchscreen Controller Display Functioning
Insert the screw driver in