Yokogawa RotaMASS 3-Series - Manual (Page 72)

6. OpErATION vIA HArT
6-8 IM 01R04B04-00E-E 8th edition March 01, 2011 -00 All Rights Reserved. Copyright © 2003, Rota Yokogawa
6.6 Hardware Write protect
If software write protection via password is not suitable to protect the access to the converter, a hardware
write protection can be set:
• Open the cover of the converter.
• Unscrew the 4 screws of the display and move the display aside.
• Set the jumper on JP1 of CPU-board as shown in the following picture.
The activated hard write protection is indicated on display via a lock symbol in the upper right corner
(see Chapter 5.1 General display indication).
Screw the display and close the cover.
The hardware write protection is prior to any other write protection, and cannot be released by HART or
other software means.
Enable
Protect
F64.EPS
CPU Board
Cable to display
JP1