ABB Industrial IT enabled REX 521 Technical Reference Manual, General page 11

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Technical Reference Manual, General
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To improve usability, a REX 521 specific pull-down menu, 9LHZ, with three views
has been created to the Relay Setting Tool.
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The 6HWWLQJV view includes the parameters for setting of all the function blocks. The
&RQILJXUDWLRQ view includes signalling and hardware related settings. The
parameters in the &RQILJXUDWLRQ view are advised to be set during commissioning
and service because some of the parameters cause resetting of the device. Refer to
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views.tif
11