KROHNE BM 70 M Series, Installation And Operating Instructions Manual

Page: 60 / 110

60 BM 70 M
Fct. 2.1.2. DISPLAY
•
Select Function 2.1.2, as described in Sect. 8.2 and 8.3.
•
Press the
→
key; all segments in the display are switched on.
•
Press
↑
key; all segments are switched off.
•
This procedure (switching on/off) can be repeated any number of times with the
↑
key.
•
Press the
↵
key to terminate the test.
Fct. 2.1.3 STATUS
After selecting "Module DIS" or "Module MW" after pressing the
↵
key in each case an Identity
Number and an 8-digit binary number are displayed. If an undefined error occurs, please inform
KROHNE Service of these values. Terminate the test by pressing the
↵
key twice.
8.7.3 Test of current output
Fct. 2.2.1 VALUE I
•
Select Function 2.2.1, as described in Sect. 8.2 and 8.3.
•
Press
→
key to display the actual value of the current output (terminals 31 and 32) in "mA".
•
Terminate test by pressing the
↵
key.
Fct. 2.2.2 TEST I
•
A milliamperemeter should be connected to terminals 31 and 32 for this test, see Sect. 7.8
•
Select Function 2.2.2, as described in Sect. 8.2 and 8.3.
•
Press
→
key.
•
Safety inquiry: SURE NO
SURE YES
Select with
↑
key
•
After SURE YES, press the
↵
key for the 1st value in the following list to be present at the
current output.
•
Select current values with the
↑
key:
-
2 mA
- 4 mA
-
6 mA
- 8 mA
-
10 mA
- 12 mA
-
14 mA
- 16 mA
-
18 mA
-
20 mA
-
22 mA
•
The connected milliamperemeter indicates the selected current value.
•
For instruments with Ex-i current output: in the 2 mA setting the minimum current of 3.6 mA is
output.
•
Terminate the test by pressing the
↵
key, and the actual measured value is again present at
the current output.