1,750 employees and enjoys a high reputation on the world market. The KeTop Safe Wireless System is a solution for the safe mobile wireless operation of a plant or a machine. For more information, please visit our website: www.keba.com/industrial-automation...
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7.3. Emergency stop ........................21 7.4. Pairing/unpairing connections ....................22 7.5. Remote Pairing ........................22 7.6. Remote Unpairing ........................25 7.7. Error conditions during connection between base station and handheld terminal ....26 Used hardware KeTop T155WL-W10-NN1-W10E handheld terminal KeTop CB410-SE2 Used software Already installed on the base station and the handheld terminal.
Introduction This document describes in a simplified way individual topics of the use of the KeTop Wireless System. It does not replace the study of the project engineering manual, where the individual topics are described and explained in detail. Information on sources of danger, hazardous situations and the proper use must also be read there.
Installation 3.1. Power supply of the base station First of all, the base station must be supplied with voltage. To do this, pin 10 of terminal strip S1 must be supplied with GND and pin 11 of terminal strip S1 with 24V. Illustration: Picture of the base station with terminal strip S1 (Pin 10 and 11) As soon as the base station is powered, the PWR led on the base station lights up and the base station goes into bridged emergency stop status, the bar turns white.
Plug in the battery, place it in the slot and screw the cover shut with a Torx T10 screwdriver. Illustration: Rear side of the handheld terminal with open cover of the battery compartment. The plug for the battery is marked Then charge the battery (see next section) until the charge indicator light goes out.
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Illustration: Charging socket of the handheld terminal Optional charging station KeTop CS 15x Illustration: Charging station KeTop CS 15x The charging station is supplied with power either via the charging socket (data as for optional power supply unit directly on the handheld terminal) or by direct wiring with a 24V power supply. For direct wiring, the charging station must be opened, the screws for this are located on the back of the charging station.
Illustration: Connectors of the charging station for direct wiring 3.4. Switching on the handheld terminal Switch on the handheld terminal using the Power key. The device is switched on as soon as the PWR (Power) led lights up. Illustration: Power key of the handheld terminal Illustration: Power led on the handheld terminal The handheld terminal will then boot Windows and a Windows desktop will appear.
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Illustration: Keep devices close together Illustration: RFID sign on the base station A waiting dialog is displayed until communication is established, then a dialog appears asking whether a connection to the base station should be established with the name of the base station. Illustration: Waiting dialog until communication is established Illustration: Dialog whether a connection should be established with this base station "Testmaschine187"...
Illustration: Successful establishment of the connection between base station and handheld terminal 4.2. Disconnect To disconnect, hold the connected handheld terminal close to the base station (<2cm). The type plate area of the handheld terminal should be close to the RFID sign of the base station. Illustration: Keep devices close together A dialog appears asking whether the connection to the base station should be closed by specifying the name of the base station.
Illustration: Successful closing of the connection between base station and handheld terminal Configuration To configure the base station and/or the handheld terminal, these two must first be connected (see chapter 4). For the configuration, the DeviceConfig tool is available on the handheld terminal, with which both the base station and the handheld terminal can be configured.
5.1. Assign base station name Each base station should be given a name. The default name is the serial number of the base station. The name always appears when connecting and disconnecting the base station with the handheld terminal. Note: To be able to perform this configuration, the base station and the handheld terminal must be connected.
Illustration: Dialog for entering the name of the base station Illustration: On-screen keyboard for entering text 5.2. Set network mode Next, the Network Mode should be set, in which state of the system over which network data should be exchanged. For this purpose the network mode can be set. Illustration: DeviceConfig tool main menu Illustration: Network submenu...
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Illustration: Modedialog But what can be set here? There are different deployment scenarios for the KeTop Wireless System, which can be configured here. In the following, the scenarios are briefly described and how they can be configured in the DeviceConfig tool. Scenario „Industrial tablet“: The handheld terminal is operated in the hall network and there is no connection to a base station - comparable to a tablet.
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Illustration: Scenario description „Cable replacement“ Illustration: Configuration for scenario „Cable replacement“ Scenario „HMI focus“: The handheld terminal is only operated in paired mode with the base station. In unpaired mode, data traffic is handled via the hall network. In the paired state, the emergency stop and the enabling button are available on the handheld terminal.
Illustration: Scenario description scenario „SCADA focus“ Illustration: Configuration for scenario „SCADA focus“ 5.3. Network configuration Handheld terminal network through the base station If the base station is selected in the network mode, the connection configured here is used. From the point of view of the network, the base station is transparent and is therefore not considered a network subscriber.
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Illustration: Selecting the submenu for configuring the network settings of the base station Illustration: Submenu for configuring the network settings of the base station Illustration: Setting the network settings of the base station Illustration: Parameterization of the WLAN connection between base station and handheld terminal Network of the handheld terminal in the hall network If the hall is selected in network mode, the connection configured here is used.
Illustration: Handheld terminal in the hall network Illustration: Selecting the submenu for configuring the hall network settings Illustration: Setting the hall network settings 5.4. Fast Response Operator Controls (Fast Response Buttons) [Option] Fast Response Operator Controls are a function where the operator controls of the handheld terminal are directly assigned to outputs of the base station and the value of the controls can be tapped directly at the outputs during operation.
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Illustration: Image of the base station with terminal strip Fast Response Buttons (Pin 5 to 20) The configuration is then done in the DeviceConfig tool. Note: To be able to perform this configuration, the base station and the handheld terminal must be connected.
Illustration: Dialog for configuring the Fast Response buttons. Projection For the projection of the visualization application, the KeTop Safe Wireless System is the same as a wired KeTop system. Both the access via control interfaces to the operator controls and the connection with PLCs, computers or other data sources is made via the network connections.
7.1. Ident Key Illustration: Ident Key The Ident Key has two functions: Short press: In the connected state, an identification of the connected base station takes place. The light bar of the base station flashes for 5 seconds. Long press (>3 seconds): An info dialog appears. Depending on the connection status, this shows different information about the handheld terminal or the base station.
Illustration: Picture of the base station with terminal strip S1 - contacts for enabling switches (pin 2 to 5) 7.3. Emergency stop The emergency stop is designed according to the closed loop principle. By pressing the emergency stop - either on the base station or on the handheld terminal - the circuits in the base station are interrupted - these outputs are closed in normal operation.
Illustration: Indication that an emergency stop has been triggered either at the base station or at the handheld terminal 7.4. Pairing/unpairing connections There are 2 outputs available which indicate the type of pairing (no pairing, pairing or remote pairing). By logically linking the two outputs, an operating mode switchover can be implemented (e.g. safely reduced speed with remote pairing).
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Illustration: Base station submenu The password must be set in the configuration dialog. To avoid errors, the password must be entered twice in the same way. Illustration: Dialog for configuring remote pairing Remote pairing is initiated by pressing the Ident Key long (> seconds). In the appearing info dialog there is a button to start the remote pairing process.
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Illustration: Dialog for entering the password After entering the password, the base station with which the connection is to be established must be selected. The selection contains the names of all base stations with which a connection has already been established. Illustration: Dialog for selecting the base station After selecting the base station, a connection is temporarily established and on the base station the bar starts to light up in a color combination of two colors.
Illustration: Successful establishment of the connection between base station and handheld terminal 7.6. Remote Unpairing If it is no longer possible to bring the base station and the handheld terminal close together, it is still possible to disconnect the connection. The following conditions must be met for this. To restrict access control for this function to instructed persons, a password must be set in the configuration for this purpose.
After entering the password, the bar starts to light up in a color combination of two colors. This color combination must be confirmed on the handheld terminal - this mechanism guarantees a line of sight. Illustration: Dialog for confirming the color combination of the base station Then the connection is disconnected and indicated by a dialog, the bar of the base station turns white and the emergency stop is no longer illuminated.
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Illustration: Position of the pairing reset button On the handheld terminal side, the connection is resolved by attempting to establish a connection - but only by holding it close to each other. By unlocking the emergency stop button, this state can be left and changed to normal operation.
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