Yokogawa Extractive Oxygen Gas Analyzer TDLS220 - Manual (Page 19)

<4 ANALYZER COMPONENTS> 4-4
IM 11Y01B02-01E-A 4th Edition September 11, 2012-00
Optional 6.5” Display is an industrial grade 6.5” VGA color TFT LCD Module that has a built-in CCFL
backlight. Both the display and interface board are mounted to a cover plate that attaches to the inside
of the enclosure door. Keypad is an industrial rated 30 key unit that has a PS/2 (6-pos miniDIN) interface
direct to the SBC. It has an Ingress Protection Rating of IP65 equivalent to NEMA 4X and is of low profile
design.
TDLS220 Field Terminal Blocks:
• TB2 – Remote Initiate Validate
• TB3 – External Calibration Solenoid Valve(s) Drivers (12w EA)
• TB4 – Alarm Contacts (Warning Alarm & Fault Alarm)
• TB5 – Alarm Contacts (User Alarm & optional Purge Alarm)
• TB6 – Ethernet 10/100
4.2 Process Interface
The TDLS220 is provided with a flow cell through which the process sample gas flows.
Different cell materials and window seal materials may be used pending application. ¼” Swagelok tube fit-
tings are typical connection size for the purge and process gases.
Typical cell volume <300cc
4.3 Communications
Stand Alone Options
The analyzer is capable of fully independent operation with no external computer or interface required. A
number of options are available for a built in user interface (mounted on Launch Unit)
• Blind with no display or keypad. Access to the analyzer through; Ethernet connection (local or
remote computer), Remote Interface Unit (RIU), Universal Remote Display (remote display only
- no keypad) with menu access via external computer
• Mini display which is an Integral display 4X20 smart VFD (cycles information). No keypad,
menu access via local or remote external computer (Ethernet connected)
• Keypad with 6.5” display
• Regardless of the user interface selected the analyzer will continuously record results,
diagnostics and spectra. Data can be transferred from the analyzer via USB or Compact
Flash