Metrohm 796 Titroprocessor - Manual (Page 271)

13. Appendix
796 Titroprocessor, Instructions for use 265 265
13.1.7 To check Remote interface
With this diagnostic step the interface Remote can be checked for its functionality. For this
test a special test plug with article number 3.496.8510 is required.
1. Prepare instrument for diagnostic test (see chap. 13.1.2).
2. Without switching off the instrument plug in test plug 3.496.8510 to socket
"Remote".
3. <Control lines>
Ä The test runs automatically. If a defect is found, an error message appears on the display, otherwise the previous
screen page appears.
4. Without switching off the instrument remove test plug 3.496.8510.
13.1.8 To check RS232 interface
With this diagnostic step the two interfaces RS232 can be checked for their functionality.
For this test a special test plug with article number 3.496.8480 is required.
1. Prepare instrument for diagnostic test (see chap. 13.1.2).
2. <RS232 interf.>
3. Without switching off the instrument plug in test plug 3.496.8480 to socket "RS232
Interface 1".
4. <Loopbck test>
Ä The test runs automatically. If a defect is found, an error message appears on the display, otherwise the previous
screen page appears.
5. <Change Ifc.>
6. Without switching off the instrument plug in test plug 3.496.8480 to socket "RS232
Interface 2".
7. <Loopback test>
Ä The test runs automatically. If a defect is found, an error message appears on the display, otherwise the previous
screen page appears.
8. Remove test plug 3.496.8480.
9. The test is quit by pressing <QUIT>.