REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
1VTA100004-en DMS,2001-10-04
REF542
plus
: Installation and Commissioning
48 / 80
When the RHMI is not connected to the protection unit shows the following screen:
Figure 26:
Display on the LCD screen after switching on the power supply
By pressing the return key a “Stand alone” mode on the LCD display is shown. The
test can be run individually or all together in sequence by selecting the corresponding
menu line. In this case the e-key with the ABB code must be inserted in its plug and
loop back cable must be inserted in X20 and in the optical interface in advance.
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Select row
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To selected test page
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Men
Figure 12: “Stand alone” Test Page
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P R O T E C T I O N
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