Hitachi LQE550 User Manual page 91

Cpu link for s10mini and s10v
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6 MAINTENANCE
⑬ Turn on the power supply of the controller unit and check that the new CPU LINK module
is running normally.
Add-on procedure
① Write down, on a piece of paper, the current settings of two switches, labeled LADDER
(toggle switch) and T/M (rotary switch), respectively, that are accessible at the front side of
the LPU module, the one that is installed in the controller unit in which you are adding on
a CPU LINK module.
② Ensure that your application system has been shut down. Then, set the LPU module's
LADDER switch in STOP position and turn off the power supply of the controller unit.
③ Mount the add-on CPU LINK module in place according to the instructions given under
"3.2 Mounting the Module."
④ Set the add-on CPU LINK module's rotary switches in such a way that a new setting will
not duplicate with any of the current rotary switch settings of the main CPU LINK module.
⑤ Connect the personal computer and the LPU module together with the RS-232C cable.
Then, turn on the power supply of the controller unit and set parameters for the add-on
CPU LINK module by using the S10V CPU LINK System.
⑥ Reset the LPU module by setting the RESET switch in ON position and then in OFF
position at its front.
⑦ Turn off the power supply of the controller unit and connect the connecting cables to the
add-on CPU LINK module.
⑧ Set the LPU module's LADDER and T/M switches in the same way as you wrote down in
Step ①.
⑨ Remove the RS-232C cable from both the personal computer and LPU module, which
were connected together in Step ⑤.
⑩ Turn on the power supply of the controller unit and check that the add-on CPU LINK
module is running normally.
6-4

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