31/44 Operation
Hengst Filtration GmbH
, OPM II, RE 51460-B/04.2021
Here, the different measured values of the electronics are displayed.
▶
Press to display more parameters.
Here, the number of operating hours of sensor and laser is shown.
Here, a list of the occurred error messages and alarms is displayed.
▶
Press
to scroll through the available messages.
Here, the volume flow level is displayed.
If the bar is between L and H, the flow is ok. If the bar fills the entire diagram or
if no bar is visible and H/L is flashing, the flow is too high or too low and has to
be readjusted.
The limits of the display (bar diagram) lie between L = 100 ml/min and
H = 400 ml/min. If the flow falls below 100 ml/min, the L (Low) flashes as the rec-
ommended range is no longer reached. The online particle monitor will, however,
continue measuring correctly down to a minimum flow of 50 ml/min.
9.3.9 Setting the language
▶
Select one of the available languages for the display of the operating menu.
9.4 Communication interfaces
9.4.1 Configuration of the serial interface
The online particle monitor can be read out and configured via a serial interface.
For this purpose, you need a PC with an installed terminal software.
Connect the online particle monitor to a free COM port of the computer. A suitable
communication cable for the serial connection between sensor and PC/control is
available as accessory.
If the computer does not have a COM port by default, there is the possibility to use
a serial interface card or a USB serial converter.
• Baud rate: 9600 / 57600
• Data bits: 8
• Parity: None
• Stop bits: 1
• Flow control: None
Electronics
Operating hours
Error information
Flow setting
Interface parameters
