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8.2 Input signals – External control (PLC)
The LUB-V provides the following invariably defined control signals (input signals), which must
be transmitted from the PLC to the LUB-V via PIN 2 of the electrical M12x1 interface as high level
(+24 V DC).
The control signals must be generated as high level (+24 V DC) by the external control (PLC) over
specific times, each with a tolerance of ±25 milliseconds.
The LUB-V processes the following control/input signals:
Signal length I
[ms]
Function
Detail
100
1 lubrication stroke
900
Filling
1000
Cancel filling
1600
Status request (sign of presence)
1700
Acknowledge error
For the electrical connection to the external control system (PLC) of a machine, the LUB-V has
a 4-pin interface, which is designed as a plug-in connection with the industry-standard M12x1
connection.
The LUB-V can be switched off completely in pulse mode by switching off the supply voltage.
The settings made are not lost in the process. After the supply voltage is reconnected, the LUB-V
checks itself automatically and does not operate until it receives a control signal from the PLC.
The output signal at PIN 4 must be tapped at an external control for further processing. The
maximum permissible output current must not exceed I
max
< 20mA. No inductive load (e.g. relay)
may be connected!
After a longer standstill of the LUB-V, it is recommended to trigger the control signal „1 lubri-
cation stroke“ twice manually (100 ms) (chap. 8.2.1).
Summary of Contents for LUBRICUS LUB-V
Page 1: ...User manual LUB V 24 VDC...
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