KROHNE BM 70 M - Manual (Page 59)

BM 70 M 59
8.7 Functional checks
8.7.1 Main menu 2.0 Test functions
Function (Fct.) Input range Description
2.0 TEST
2.1 HARDWARE
2.1.1 MASTER Special function Test of master hardware.
2.1.2 DISPLAY Special function Test of display hardware.
Select
Module DIS
2.1.3 STATUS
Module MW
Display of ID Number and
status bytes.
2.2 CUR.OUTP.I
2.2.1 VALUE I Display of value Display of actual value of
the current output.
Options 2 mA
4 mA
6 mA
8 mA
10 mA
12 mA
14 mA
16 mA
18 mA
20 mA
2.2.2 TEST I
22 mA
Output of selected value to
the current output.
NOTE !!! With safety inquiry
because current output is
accessed direct !!!
(Exi = min. 3.6 mA)
2.3 SW.OUTP.
Options OPEN 2.3.1 TEST S
CLOSED
Switches the switching
contact on/off.
NOTE !!! With safety inquiry
because current output is
accessed direct !!!
2.4.0 FIRMWARE
2.4.1 MASTER Display Display of master firmware
version.
2.4.2 DISPLAY Display Display of master firmware
version.
8.7.2 Hardware test
Testing of the BM 70 M hardware can be initiated as required with these functions when the
device is operating. When an error is established, a message appears in the display (see Sect.
8.8). This hardware test is carried out automatically every time the BM 70 M is started up.
Fct. 2.1.1 MASTER
• Select Function 2.1.1, as described in Sect. 8.2 and 8.3.
• "TEST" is shown in the display during the automatic test, followed by "READY" on completion
of the test.
• During the test the current output holds the last measured value; digital Communication is not
possible during that time.