29
Display elements
Type ME64
11
display ElEMEnTs
Type ME64 has the following LEDs for diagnostics on the device status:
•
LED for indicating the channel status (1 LED per channel).
•
LED for indicating the device status.
Channel status LED channel A
Channel status LED channel B
Device status LED
Figure 5:
Display elements Type ME64
11.1
LEDs for indicating the channel status
A 2-colour status display is assigned to each channel.
Colour
Meaning
Green
Channel is active with input voltage > 10 V.
Red
Error at channel (wire break or short circuit)
Off
Channel is inactive or the input voltage is < 5 V.
Table 12:
LEDs for indicating the channel status
11.2
LED for indicating the device status
Indication of the device status occurs in line with NAMUR NE 107. The displayed status always corre
-
sponds to the highest priority device status.
Indication in line with
ne 107
Device status
Meaning
Colour
code
Colour
5
Red
Failure, error or
fault
Functional fault. The functionality of the device is not
guaranteed.
4
Orange
Function check Device is searching for a büS participant
The 2-point calibration is active.
This status is exited after a few seconds.
3
Yellow
Out of
specification
Environment conditions or process conditions are not within the
specified range.
Internal device diagnostics indicate problems within the device
or with the process properties.
Data sheet values cannot be complied with.
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