The DO settings are made unavailable to protect the DO connection set in the custom computation tool (in the same manner, the controller main unit also skips the display)
If you want to change the U*M=21 DO, use the custom computation creation tool.
Related Products & Solutions
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LL1200
The software package used to create custom computation programs and custom display functions for LL1200. computation program upload and download, file management, debugging and printing functions are available. The funciton of LL1100 is also included.
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LL200
The software package used to create custom computation programs and custom display functions for UT750/UP750. computation program upload and download, file management, debugging and printing functions are available. The funciton of LL100 is also included.
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UP750
1/4 DIN sized large-capacity Program Controller features Custom Computation, 300 program patterns, and 11 powerful control modes including dual-loop control. It comes with easy-to-see large PV display and LCD display for interactive setting and programming. The universal I/O, "SUPER" and "SUPER2" are also featured. Two ports of RS-485 communication are option.
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US1000
72×144×100 mm sized Digital Indicating Controller has clear bar graph display for PV, SV and MV. It comes with powerful 14 control modes, including optional Custom Computation and dual loop control. The universal input, auto-tuning, "SUPER" functions are standard. Position proportional control and RS485 communication are optionally available.
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UT750
Highly functional 1/4 DIN sized Controller comes with Custom Computing and 12 powerful control functions including dual-loop control. It also features easy-to-see large PV display and LCD display for interactive setting and programming. The universal I/O, auto-tuning, "SUPER" and "SUPER2" functions are standard. Two ports of RS-485 communication are option.