Gruetzner LUBRICUS LUB-V, Руководство пользователя

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Description:

The LUB-V is properly connected to an external controller via the electrical interface and con-
nected to the power supply.

Pulse mode is activated on the LUB-V.

There are no errors on the LUB-V; the LUB-V is ready for operation.

The LUB-V sends a permanent output signal (high level) to PIN 4, which indicates readiness
for operation to the external controller (PLC). This output signal must be present permanently
and uninterruptedly for >500 milliseconds. Only if this prerequisite is fulfilled, an activation by the
external control is possible at all.

The control signal „Filling“ with signal length of 900 (875 ... 925) milliseconds high level can be
sent to the LUB-V from the external control (PLC).

While a high level is present at PIN 2 of the LUB-V as an input signal from the external controller
(PLC), the symbol indicating the pulse mode flashes in the display for the length of the signal.

Immediately after the control signal drops, the lubrication stroke C of the LUB-V starts and
0.15 ml of lubricant is delivered to the outlet. The LUB-V monitors this lubrication stroke for the
entire duration.

The lubrication stroke time depends on various conditions, including the counterpressure pre-
sent or built up in the hydraulic system and the temperature. For the LUB-V, the lubrication stroke
duration is 7...17 seconds (t
C
= 7...17 seconds).

During the lubrication stroke C, a numerical value 1...70 is shown in the display, which indicates
the approximate back pressure in bar. The back pressure is displayed in relation to the outlet.

At the end of a lubrication stroke C, the LUB-V sends an output signal to PIN 4, which provides
information about the past lubrication stroke as well as other states of the LUB-V for evaluation
at a PLC or other external controller (see chapter 8.3).

A total of 40 lubrication strokes C and 39 relaxation phases t
E
of two seconds length take place
in immediate succession between the lubrication strokes. In the process, 40 x 0.15 ml = 6.0 ml of
lubricant are delivered from the cartridge to the outlet.

At the earliest >500 milliseconds after the end of the last output signal, a possible next control
signal can be sent from the external control (PLC). During the filling function, the control signal
„Cancel filling“ (chap. 8.2.3) is the only control signal that the LUB-V can process.

If the integrated microelectronic of the LUB-V has detected an error during or immediately
after the end of the lubrication stroke, it will be transmitted to the external control (PLC) by the
corresponding output signal (chap. 8.3).

The filling function can be stopped with the „Cancel filling“ control signal, see section 8.2.3.