Yokogawa Extractive Oxygen Gas Analyzer TDLS220 - Manual (Page 49)

<6 BASIC OPERATION> 6-19
IM 11Y01B02-01E-A 4th Edition September 11, 2012-00
6.5 Controlling the Analyzer Remotely or Locally via external PC/Laptop
A number of methods is available to remotely control the TDLS220 analyzer.
• Local Access using VNC and an external computer/Laptop (Ultra-VNC via direct
Ethernet link using Ethernet crossover cable)
• Remote Access using VNC via Ethernet connection (Ultra-VNC via external computer/
laptop)
• Remote Access using optional Remote Interface Unit (RIU with VAC software)
Whether directly connected, or connected via network, operating the analyzer with an external connec-
tion allows two basic functions:
• Remote control of the analyzer via TDLS220 software allows full control of the analyzer.
The user will see the same screen with the same access functions as if controlling using
a built in keypad and display. Data transfer via UltraVNC software allows upload and
download of data files to/from the
analyzer.
6.5.1 Instructions for Connecting an External Computer to the Analyzer
If the remote access via Ethernet link is used on a regular basis during normal operation, it is the end
user responsibility to equip the Control box with appropriate approved connectors. Inside the Control
box, a standard Ethernet connector is to be plugged as shown in the picture below.
During troubleshooting and diagnostics, Ethernet cable can be connected directly to the SBC with the
Control box open. Windows 98SE or later (is required on computer to be connected to the analyzer),
and crossover Ethernet cable. Contact your local Yokogawa agent for a free copy of the necessary
“Ultra-VNC.exe” file that will enable the VNC connection with the analyzer. This Ulta-VNC.exe file
should be loaded on to the connecting PCs desktop ready for use when connecting with the analyzer.
• From Control Panel – Network Connections, make sure Ethernet Local Area Connection
is set to Enabled status. Disable wireless and any other networking connections.
• Connect crossover (or on most 2008 onwards PC’s a crossover is not necessary)
Ethernet cable from client system to Analyzer.
• On the computer, go to Control Panel – Network Connections - Local Area Connection,
Internet Protocol (TCP/IP) Properties.
o Set IP to 10.255.255.254 & Subnet Mask to 255.0.0.0. Select OK to accept
changes on Internet Protocol (TCP/IP) and Local Area Connection Properties.
o Start Ultra-VNC software, running from Desktop using the Guide below:
Figure 16 - Connecting External Computer to the analyzer