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4.2.
Diagnosis
719 S Titrino
113
I/O-test-connector?
•
Insert the 3.496.8510 test plug in port B 'Remote'. (Do not switch off instrument!)
•
Press
<ENTER>
.
Test
sequence:
1. In case of an error an error message is displayed. If for example no test plug is con-
nected, error message
error 50 01HEX
appears).
2. If no error is found, after about 1 s display shows
extern input/output o.k.
•
Remove test plug.
•
Press
<CLEAR>
.
diagnose press key 0...9
9
RS 232 test
A 3.496.8480 test plug normally used in the repair service is required for this test. However, this plug can also be
purchased by customers under the above number.
For the sake of completeness, the procedure is described here. If a diagnostic test of the RS 232 interface is not re-
quired, continue with point 10.
Fig. 4
Connections in the 3.496.8480 plug
•
Press
<5>
.
RS232 test
•
Press
<ENTER>
.
TxD
RxD
DCD
DTR
DSR
RTS
CTS
2
3
8
20
6
4
5
Summary of Contents for Titrino 719 S
Page 2: ......
Page 6: ...1 2 Controls and parts 719 S Titrino 2 1 2 Controls and parts Front view of instrument...
Page 8: ...1 2 Controls and parts 719 S Titrino 4 Rear view of instrument...
Page 58: ......
Page 106: ......