Yokogawa Extractive Oxygen Gas Analyzer TDLS220 - Manual (Page 63)

<7 ROUTINE MAINTENANCE> 7-10
IM 11Y01B02-01E-A 4th Edition September 11, 2012-00
7.2 Analog Signal Field Loop Check
1. To perform a field loop check of the analog output signals, follow the software map below.
Ensure properly calibrated multi-meter and read instructions fully before starting this operation.
The Multi-meter on analog mode should be connected to the appropriate terminals and with
correct polarity to prevent damage.
2. Software Map
a. Advanced Menu
i. Password
ii. Block/Track/Hold
iii. Configure
iv. System I\O
v. Analog Output
vi. Field Loop Check
vii. CH 1, 2, or 3 Check
viii. mA Value - input new value and observe reading
Once finished with the loop check, go back to the main menu using the ESC key
7.3 Data Reporting, Storage and Retrieva l
The TDLS220 analyzer has been designed with extensive data reporting capabilities. All data is
available in the analyzer as a text file for import into a spreadsheet for analysis
Data stored in the analyzer:
• Results. Every measurement the gas concentration, transmission, diagnostic data are stored.
• Spectra. The analyzer records spectra at a timed interval, in the event of an analyzer warning or
fault (including concentration values) and manually via the user interface.
• Calibration History is stored during every calibration or validation event.
• Alarm Fault History
• Events History which includes any changes made to the system settings
All data can be retrieved using a USB flash drive (at the analyzer), via the RIU, or over an Ethernet
connection. If opening the protective enclosure is not desired for safety reasons, end user can install
approved hermetic Ethernet and USB throughputs on the box glands. See below for USB data
download port location inside control unit.
Figure 18 - USB Port Location