W&T 57641 Manuale utente
W&T
Manual
Web-IO Analog-In
Type 10/100BaseT, 12-24V
Model 57641, 57642, 57643
Release 1.4, Jan 2008
W&T
© 01/2008 by Wiesemann & Theis GmbH
Microsoft, MS-DOS, Windows, Winsock and Visual Basic
are registered trademarks of the Microsoft Corporation
Subject to errors and modifications:
Since we can make mistakes, none of our statements should be
taken without verification. Please inform us of any mistakes or
misunderstandings you notice so that we can become aware of
them and remedy them as quickly as possible.
Perform work on and with W&T products only as described and
after you have read and understood this manual thoroughly.
Improper use may result in hazards. We are not liable for improper
use. In case of doubt please check with us or your dealer first!
W&T
Introduction
The W&T Web-IO Analog-In models incorporate all the
functions in one box for capturing, storing and displaying your
analog measurements (0...20mA or 0...10V). A variety of alarm
functions is also available which can be custom implemented
in your own applications or in existing systems.
This manual contains all the information you need for
installing, configuring and operating the Web-IO Analog-In
module.
W&T
Table of Contents
Introduction ............................................................................................ 3
1 Quick Start-up ..................................................................................... 6
1.1 Connecting the supply voltage ........................................ 6
1.2 Connecting the measurement lines .................................. 6
1.3 Assigning the IP address using „WuTility“ ......................... 8
1.4 IP assignment using DHCP protocol ................................ 10
1.4.1 Activating/deactivating DHCP ................................ 10
1.4.2 System Name ........................................................ 11
1.4.3 Lease time ............................................................ 12
1.4.4 Reserved IP addresses ........................................... 13
1.4.5 Dynamic IP addresses ............................................ 13
1.5 Assigning the basic network parameters ......................... 14
2 Graph Display of the Measurements ........................................17
2.1 Basic functions ............................................................. 17
2.2 Config menu ................................................................ 19
2.3 Table ............................................................................ 21
3 Additional basic settings .............................................................22
3.1 Configuring the port and device names .......................... 22
3.2 Local time setting ......................................................... 24
3.3 Automatic time setting using a networjk time service ....... 27
3.4 Configuring the data logger ........................................... 28
3.5 Configuring the graphics display ................................... 30
3.5.1 Basic Settings ....................................................... 30
3.5.2 Select Sensor ........................................................ 32
3.5.3 Scale Config ......................................................... 34
3.6 Calibration ................................................................... 35
3.7 Browser access ............................................................. 37
3.8 E-mail alarms ................................................................ 38
3.9 SNMP incl. alarm sending via Trap .................................. 46
3.10 Sending alarms via TCP (Client Mode) ........................... 49
3.11 Sending alarms via FTP (Client Mode) ........................... 50
3.12 Sending alarms via Syslog ............................................ 54
3.13 ASCII command strings via TCP Port 80 ........................ 55
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3.14 ASCII command strings via UDP ................................... 56
3.15 UP-/Download ............................................................. 57
4 Individual querying of measured values ...............................59
4.1 Querying via TCP/IP ...................................................... 59
4.2 Querying via UDP .......................................................... 59
4.3 Querying via SNMP ........................................................ 60
5 Java Applets - Auto-updating in the browser ..................62
5.1 Working with the Java applet .......................................... 62
5.2 Using the applet with JavaScript ..................................... 64
6 Data Logger .......................................................................................67
7 Appendix ............................................................................................68
7.1 Alternate IP address assignment .................................... 68
7.2 Example for creating your own Web pages ...................... 71
7.3 Firmware update ........................................................... 78
7.3.1 Where do I obtain the current firmware? .................. 78
7.3.2 Firmware update over the network under Windows ... 78
7.3.3 LED indicators ...................................................... 80
7.4 Technical Data .............................................................. 82
7.5 Declaration of Conformity .............................................. 83
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W&T
1 Quick Start-up
It takes only a few steps to start up the Web-IO Analog-IN
module and make it visible in your network.
1.1 Connecting the supply voltage
Connect 12-24V AC/DC to the terminal provided using the plug-in
power supply included. Polarity is uncritical.
1.2 Connecting the measurement lines
Screw the measuring lines into the 6-pole female connector
provided and plug it into the device.
Power
Network
Status
Error
I+ GND U+ GND
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1.2.1 Terminal designations
I+ : Current input 0..20mA
U+ : Voltage input 0..10V
GND : Ground
!Please note when wiring the inputs that they use the
same GND internally.
1.2.2 Pin configuration 57641
Web-IO Analog-In 0..20mA / 0..10V
1.2.3 Pin configuration 57642
Web-IO Analog-In 2x 0..20mA
1.2.4 Pin configuration 57643
Web-IO Analog-In 2x 0..10V
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W&T
1.3 Assigning the IP address using „WuTility“
Once the hardware has been connected to the supply voltage
as described above, you must assign the IP address needed for
operation in a TCP/IP network. You can obtain the correct value
for this parameter from your system administrator.
!The IP address must be unique throughout the network.
There are various ways of assigning the IP address. To make it
as convenient as possible, we have developed the „WuTility“
tool, which you can download from the WuT homepage at
http://www.wut.de. This procedure is described in the
following. A summary of the alternatives can be found in the
Appendix to this manual under 7.1.
Be sure that the PC you are using to assign the IP address is
located in the same sub-network as the module and that both the
PC and the module are connected to the network.
When it starts, WuTility automatically searches the local network
for connected W&T network devices and generates an inventory
list. This search process can be repeated manually as often as
desired by clicking the Scan button:
Select from the displayed list your Web-IO Analog-In based on
the MAC address:
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W&T
Click on the „IP address“ symbol:
In the resulting window enter the desired network parameters for
the device and confirm by clicking on „Continue“.
The BOOTP client of the Web-IO Analog-In can be activated in the
following window.
Clicking on the Continue button assigns the network parameters
to the Web-IO Analog-In. All the columns in the device list in
WuTility are filled with information. After clicking on the globe in the
WuTility menu list your standard browser is opened and you will
see the start page for the device.
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W&T
1.4 IP assignment using DHCP protocol
Many networks use DHCY (Dynamic Host Configuration
Protocol) or its predecessor BOOTP described in the following
section for centralized, dynamic assignment of network
parameters. By default DHCP protocol is activated, so that in
network environments with dynamic IP assignment you only
need to connect the Web-IO Analog-In to the network. The
following parameters can be assigned using DHCP:
• IP address
• Subnet mask
• Gateway address
• DNS server
• Lease time
1To prevent undesired address assignment
or address changes, we recommend deactivating DHCP,
BOOTP and RARP unless these are expressly used in the
respective network environment. Web-IO Analog-In with
incorrectly assigned IP address can be conveniently found and
reconfigured after the fact using the scan function of the
WuTility management tool.
1.4.1 Activating/deactivating DHCP
By default DHCP is activated. The following methods are
available for deactivating or later reactivating DHCP protocol.
•Management tool WuTility
Select the desired Web-IO Analog-In from the device list and
click on the IP address button. In the first dialog window
enter the new network parameters and then click on Next.
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