1 SKS network The KBA EAE network migrates the features of the WINDOWSNT network structure. Each zone's zone management sets up zone management servers. Each zone management server forms a star topology wiring network. The zone management servers are connected to the system server (Master Server respectively). ). Among them, the SKS network is an Arcnet network based on a star topology connection point, uses a hub to connect each segment of the cable and distributes the data to the ANK31 module of each segment, and distributes all the signals received by one port to all ports. . The information sent from the console to the ANK31 module is passed through the I/O interface of the ANK31 module to the KT98 module for performing various printing operations such as pressurization, water supply, and ink supply. The KBA EAE printing operating system is connected via a NET Ethernet network. The status of the I/O modules at each location of the system is displayed on the console and each I/O module is activated via the console. The I/O module has three display states on the console: red indicates that the I/O module is not activated; yellow indicates that the I/O module has been activated, but the device in the I/O module management area may be defective; blue indicates I/. The O module has been activated and the device is in a normal state. 2 ANK31 module fault judgment The KBA EAE SKS network uses an active hub, so it has the following features: Receives data from one port and distributes and monitors data through all ports; checks data before forwarding, corrects damaged packets, and adjusts timing. If the signal is weak but still readable, the active hub restores it to a stronger state before forwarding, which makes some devices with less than ideal performance useable. If the signal from the ANK31 module or the KT98 is not strong enough, the active hub's signal amplifier can continue normal use of the device. In addition, active hubs can also report which devices have failed, providing some diagnostic capabilities. Because the hub of the SKS network has the above features, when the console shows that a certain module is yellow, the device can still be used normally. When the power is turned on, the module in a certain position often appears yellow. At this time, if there is no abnormality in the execution device in the KT98 area, the ANK31 module may have a problem. At this point, parts should be purchased and replaced. This state can be maintained for 8 to 10 months and the ANK31 module will not be able to obtain information from the hub. When powered on, the module in one location is red. Check the indicator of the hub. If the indicator is abnormal, it indicates that the I/O interface in this position is faulty. Unplug the Hub cable in the red position. The indicators and other positions are normal, indicating that the ANK31 module in this position is damaged. 3 Replace the ANK31 module The ANK31 module is a special interface module for the printing press network developed by Evert Electronics Co., Ltd. (EAE) of Germany. It has the function of on-site reading and writing. The operating program exists in the master server of the KBA EAE printing operating system. The driver of the ANK31 module can be installed automatically by clicking on the operation interface. The steps are as follows: 1) Turn off the power of the ANK31 module management area, replace the new ANK31 module, and restore power. 2) Driver installation. The ANK31 module has two encoder ports, as shown in Figure 2. The right side "3" is the address code of the ANK31 module, and the left side "4" is the information input code. The first step is to place the new ANK31 module address at the address code on the right, according to the original address code. The second step is to place the switch 1 in the open position at the left information code, and set the new ANK31 module information code according to the original information input code. At this time, the Boot lamp on the ANK31 module starts to flash. The third step is to input program in the corresponding ANK31 module program of the Master Server server interface until the program is written and the Boot lamp stops flashing. In the fourth step, place switch 1 in the OFF position. Then press Reset on the ANK31 module to activate the newly installed ANK31 module. In the fifth step, activate the I/O location module on the console.
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