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Water Technologies
ChemWeb Server
Installation, Operation &
Maintenance Manual
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Table of Contents WARNING NOTIFICATIONS.......................................................................................................................i Overview of ChemWeb Server...............................................................................................................1 Description of ChemWeb Server ............................................................................................................2 Power Supply............................................
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ChemWeb Server Warranty USFilter Stranco warrants equipment of its manufacture and bearing its trademark to be free of defects in workmanship and materials. If the customer gives USFilter Stranco prompt written notice of a breach of this warranty within the Warranty Period (as defined below), USFilter Stranco shall, at its sole option and as the customer’s exclusive remedy, either repair or replace at no charge, or refund the purchase price paid with respect to, any part or product of i
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WARNING NOTIFICATIONS NOTE: PLEASE PAY PARTICULAR ATTENTION TO THE WARNING NOTICES FOUND ON THE FOLLOWING PAGES AND THROUGHOUT THIS MANUAL. DISCONNECT AND LOCKOUT POWER BEFORE SERVICING Line voltage (120/240VAC) can be present inside the ChemWeb server and caution should be used to prevent electrical shock, burns or electrocution. Be sure electric power is disconnected before opening the cover of any electrical device. Follow all local safety polic
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Overview of ChemWeb Server The ChemWeb Server is used for central recording, monitoring and logging of the process data in potable and swimming pool water treatment plants. It is especially suitable for smaller installations without process display but which are to be installed with a data recording system with simple display. Another application example would be in unmanned plants such as potable water stations, in which recording of the measured data is to be accomplished by remote access
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Description of ChemWeb Server The ChemWeb Server is a compact standalone PC which is fitted with an integrated analog, ISDN modem in addition to the main memory, an internal flash drive for programs and data, a clock module and a number of hardware interfaces. Serial connection possibilities such as RS232 and RS485 are part of the interfaces via which application hardware is controlled. An Ethernet connection that allows the device to link to a network is also available. Power Ext. COM
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Overview of ChemWeb Server Ext. Reset If the reset input is connected more than 3 seconds to ground GND or the RESET key is pressed at least 3 seconds, a reset is carried out at the webserver as well as at the modem module. Terminal No.: Designation: Explanation: 5 GND Ground 6 Reset Input for external reset of ChemWeb Server Inputs (IN1, IN2) The two digital inputs are fitted internally with pull-up resistors and are activated by connecting them to GND. On activation, digital inp
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Description of ChemWeb Server COM 1 - RS232 null modem This RS232 port is used for modem parameterization and null modem operation without having to disconnect the device from its application environment. Terminal No.: Designation: Description: 30 GND Ground 31 CTS RS232 signal CTS 32 RTS RS232 signal RTS 33 RXD RS232 signal RXD 34 TXD RS232 signal TXD 35 GND Ground Ethernet / 10BaseT (RJ45) With this connection the ChemWeb Server can be linked with 10Mbit/s to a network or di
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Overview of ChemWeb Server CompactFlash slot (CF) The CompactFlash slot is used as memory for programs and data and can operate commercial CompactFlash cards with corresponding driver software as external drive. For this purpose, the card should be formatted with the FAT file system. It is possible to use CF cards with a capacity of 64, 128 or 256MB. LED displays Versions: serial / analog modem / ISDN modem Power (green) Device is ready-to-operate / supply voltage applied Modem has
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Connecting more than one ChemWeb Server RS485 bus system The serial RS485 bus is designed as balanced two-wire bus line according to EIA RS485 (DIN 66259, Part 4 or ISO 8482), which is suitable for long transmission routes (up to 4000 ft) at a high transmission rate (19200 baud). It is characterized by the following features: - data transmission in both directions possible - data transmission via two-wire line (half duplex operation) - bus structure (addressable interface, up to 32 b
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Connecting more than one ChemWeb Server For these resistors, the followings values are recommended: R 150 Ohm +/- 2 % min. 0.25 W t R 390 Ohm +/- 2 % min. 0.25 W u R 390 Ohm +/- 2 % min. 0.25 W d The interface lines are named as line A and line B. Each RS485 bus user is equipped with an interface for the connection of these lines. Due to the different enclosure protection classes, the bus connections of the devices vary. The bus cable can be connected to the bus users via termin
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Setting the IP address of the ChemWeb Server Initialization of the ChemWeb Server after switching on the power supply or after a reset may take up to several minutes depending on the configuration! During this time the ChemWeb Server does not respond! The ChemWeb Server must be installed completely before the initial startup! Before starting the setup of a connection, it must be decided which type of connection is to be used for the connection to the ChemWeb Server. There are
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Setting the IP address of the ChemWeb Server The network connection can be controlled and adapted under “Control Panel” ==> “Network and Internet Connections” ==> “Network Connections”. In this window all network connections can be controlled and adapted. Right click on “ChemWeb Server Connection”; select “Properties”. In this window, only the element “Internet protocol (TCP/IP)” is required. All other elements can be deleted. The element “Internet Protocol (TCP/IP)” must now be
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Setting the IP address of the ChemWeb Server A fixed IP address and network mask must always be assigned. Other settings should not be changed. Confirm and store by clicking “OK” twice. With some Windows configurations, a restart may now be necessary. Special features of the direct network connection with Windows 95 / 98 / ME With these Windows versions, a network connection is set up automatically if a network board is identified in the laptop computer/PC. It is, however,
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Setting the IP address of the ChemWeb Server In this window all network connections can be controlled and adapted. Select the menu item “Create new connection” from the left window to start the “New Connection Wizard”. Click “Next” Select “Connect to the Internet” and click “Next”. Select “Set up my connection manually” and click “Next” 11
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Setting the IP address of the ChemWeb Server Select “Connect using a dial-up modem” and click “Next”. Select the installed modem and click “Next”. In this window you assign a name for this connection. Type this name in the entry box and click “Next”. Type the telephone number for your ChemWeb Server in the entry box and click “Next”. 12
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Setting the IP address of the ChemWeb Server Select whether this connection is to be available for all users of this computer or only for the user currently logged on, and click “Next”. Type the access code (login / password) in the entry boxes. As the ChemWeb Server cannot manage different access codes, this code must be the same for all users. Furthermore, the box “Turn on Internet Connection Firewall for this ...” must be deactivated. It is selectable whether this switche
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Setting the IP address of the ChemWeb Server Null modem connection via serial interface Via the integrated RS232 interface “COM1 Null modem” of the ChemWeb Server, a serial connection can be set up to a laptop computer or PC, using a modem cable. It is possible to parameterize and operate the ChemWeb Server via this connection. For this purpose, a modem cable (9/9-contact, jack-plug, 1:1) is required. Switchover of ChemWeb Server to null modem operation To access the ChemWeb Server via
