10.07.2015 Views

Silver Series Installation and Operation Manual, Rev B ... - Watlow

Silver Series Installation and Operation Manual, Rev B ... - Watlow

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176 <strong>Silver</strong> <strong>Series</strong> Programming <strong>Manual</strong>In order for a user to login, they must first enter their user number into reserved local word LW9219. Then they mustenter their password into reserved local word LW9220 (32-bit unsigned). This procedure is different than what was used in EasyBuilder-500, where the user only needed to enter apassword.There are several other reserved local words <strong>and</strong> bits that can add functionality to your security implementation.Reserved Local MemoryLW9222FunctionDisplays the access levels assigned to the currently logged-in userin binary format (16-bit binary)Bit 0: A, Bit 1: B, Bit 2: C, Bit 3: D, Bit 4: E, Bit 5: FLW9500-LW9523 (32-bit unsigned) Stores user passwords 1-12LB9050LB9060LB9061Logs out user <strong>and</strong> resets password to zero when bit is set (HMIresets bit to zero)Indicates when an invalid password has been entered (bit resetsto zero when valid password is entered)Set to update user passwords when changed locally(LW9500-LW9523) Use momentary styleRefer to the Security Sample Project on our website to see how to employ the above reserved local memory bits <strong>and</strong>registers in a security implementation.(http://www.maplesystems.com > Support Center > Sample Projects > HMI5000 <strong>Series</strong> > Sample Prj: Security)0600-0069-0000 <strong>Rev</strong>. B

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