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4.6 Module Replacement
4
(7) After downloading, switch off the base unit connected EN6 module again.
(8) Confirming the base units power is off, connect cables.
Figure 4-11 Replacing 10BASE2 Modules (EN631, EN641,EB641)
4.6.3
100BASE-TX/10BASE-T (EN651, EN651A, EN661)
(1) Switch off the base unit. Check the LED to make sure that its power has been cut off.
Hold down the tab of the modular connector connected to the module, and
disconnect the category 5 twisted pair cable. If you are using a dual Ethernet module
system (EN661), disconnect the same form both lines A and B.
(2) Loosen the M4 screws on top and bottom of the module with a Phillips screwdriver,
and remove the module along the module guide of the base unit.
(3) Set the switches on a new module in the same way as those on the removed module.
(4) Install the new module in the base unit and connect the category 5 twisted pair cable
to it. For how to install a new module, refer to the instructions for Ethernet cable
connection described in the preceding section on installation.
(5) It is necessary that network parameters are downloaded, when [Setting from Tool] is
used or multicast address setting is done. Download the parameters with connecting
Engineering Tool to serial communication port (Tool) of EN6 module. (Download form
Ethernet is not possible before downloading the parameters.)
(6) After downloading, switch off the base unit connected EN6 module again.
Turn T-adapter ring
counterclockwise and
remove T-adapter.
Do not disconnect 3D-2V
cable from T-adapter.
Remove it after checking
EN6 module
that unit power is off.
Base unit
Base unit module guide
3D-2V cable