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KROHNE BM 70 M User Manual

Page 60

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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.