revision: 1
FlexxPump 250/400 DLS
User Manual
38
EN-
8.3.1 Empty level
The FlexxPump 250/400 DLS is equipped with a sensor which detects the
empty level of the lubricant cartridge. After reaching the empty level, the
FlexxPump 250/400 DLS no longer delivers lubricant. This ensures that no air enters
the FlexxPump 250/400 DLS or the lubricant lines. The empty state message (error E1)
is transmitted to the external control (PLC). For this purpose, a separate, unique output
signal is provided, which can be easily and reliably detected by the external control
(PLC).
U
24V
0V
t
PIN 4
1s 1s 1s 1s 1s 1s 1s
Description:
The FlexxPump 250/400 DLS is properly connected to an external controller via the
electrical interface and connected to the power supply.
The Empty state signal can only occur immediately after a donation.
The Empty state signal must and cannot be acknowledged. Remedial action is
described in chapter 9.2.
At the same time as removing the cartridge, the FlexxPump 250/400 DLS sends a
permanent low level (0 V) as output signal to PIN 4.
The FlexxPump 250/400 DLS does not process control signals until all errors have
been eliminated.
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