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Specifications subject to change without notice. | GAGC06_E_0516 | USA 200303 | Page 15 of 41
DGC6 – UserManual
4.5 Maintenance Information
A control of the maintenance intervals required by law (SIL) or by the customer is integrated in the DGC6 system.
When changing the maintenance intervals, you have to observe legal and standard regulations and the manufacturer’s
specifications! A calibration must be performed so that the change can take effect
System maintenance message:
At commissioning or after successful maintenance, the date (battery backed) for next due maintenance of the whole
system has to be entered. When this date has been reached, the maintenance message is activated.
Sensor maintenance message:
Sensors need regular calibration for complying with the specified accuracy and reliability. In order to avoid complex
manual documentation, the sensors store their run time between the calibration intervals continuously and
permanently. If the run time since the last calibration exceeds the sensor maintenance interval stored in the sensor, a
maintenance message is sent to the central control.
The maintenance message is reset during calibration and the running time since the last calibration is set to zero.
Device reaction with pending maintenance message:
The maintenance signal can be ORed to each of the active relays in the menu Relay Parameters. In this way, one or
more relays can be activated in case of maintenance (see 4.8.2.9).
In case of a pending maintenance message, the phone no. of the service company appears in the main menu instead
of the time / date information and the yellow LED on the display starts to flash.
The maintenance message can only be cleared by removing the cause - changing the maintenance date or calibration
or replacement of the sensors.
In order to distinguish between the sensor maintenance messages and the system maintenance message and to
get a quick allocation of the serviceable sensors, the measured value in the menu item Sensor Readings gets the
maintenance prefix “#”.
As additional information, a separate window displays the time (in days) when the next sensor is due for maintenance.
If several sensors are connected, the shortest time is always displayed. In the submenu, you can scroll through the
display of all active measuring points to determine the sensors where the maintenance is due soon.
The largest representable number is 889 days (127 weeks / 2.5 years), counting down after the initial week of
operation. If the next maintenance is due in an even longer period, the time display is still limited to 889 days.
Scrolling through all active
sensors and display of the
related days remaining until
next maintenance.
Maintenance date, stored in the display;
after expiry, only message in the display,
no other external reporting.
Maintenance Date
DP X: 365 days
Next Maintenance
In:
365 days
Information about the connected sensors
Maint. date
XX.XX.XXXX
Maintenance
Information
Main menu
Submenu
1
