Module Replacement; 10Base5 (En711, En721) - Toshiba V Series Operation Manual

Chapter 4 Installation and Wiring

4.5 Module Replacement

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4.5.1

10BASE5 (EN711, EN721)

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• Before replacing a module, switch off the base unit and the +12 VDC power supply, and
make sure that power is off.
When changing the switch settings on a module or when it has failed, replace the module
(1) Switch off the base unit and the +12 VDC power supply. Check the LED indications
to make sure that the power is off.
(2) Loosen the three M3 screws on the terminal board TB with a Phillips screw driver,
and disconnect the +12 VDC power cable from the EN7.
(3) Remove the two M3 screws on the connector clamp that fastens the AUI cable
connector, using a Phillips screwdriver.
(4) Push up the slide lock to unlock the D-sub connector to which the AUI cable is
connected, then disconnect the AUI cable. If a double Ethernet module (EN721) is
used, disconnect the AUI cables from both buses A and B.
(5) Loosen the M4 screws on top and bottom of the module, using a Phillips screwdriver,
and remove the module along the module guide of the base unit.
(6) Set the switches on a new EN7 in the same way as those on the removed EN7.
(7) Install the new EN7 in the base unit and connect the cable to it. For how to install a
new EN7, refer to the instructions for Ethernet cable connection and 12 VDC power
cable connection described in the preceding section on installation.
(8) 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 EN7 module. (Download form
Ethernet is not possible before downloading the parameters.)
(9) After downloading, switch off the base unit connected EN7 module again.
(10)Confirming the base unit's power is off, connect cables.
Caution
model 3000 Ethernet Module / DS Connection Module Operation Manual