Check the key lock. If you see the R.SP display, in Remote mode (REM), that means SP is being set by an external (upstream, etc.) device and cannot be changed.
Related Products & Solutions
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Advanced Application UT75A
The UT75A temperature controllers employ an easy-to-read, 14-segment large color LCD display, along with navigation keys, thus greatly increasing the monitoring and operating capabilities. A ladder sequence function is included as standard. The short depth of the controller helps save instrument panel space. The UT75A also support open networks such as Ethernet communication.
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Mid-level UT55A/UT52A
The UT55A and UT52A temperature controllers employ an easy-to-read, 14-segment large color LCD display, along with navigation keys, thus greatly increasing the monitoring and operating capabilities. A ladder sequence function is included as standard. The short depth of the controller helps save instrument panel space. The UT55A/UT52A also support open networks such as Ethernet communication.
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UM33A
The UM33A is a digital indicator with alarms provides up to 9 alarms outputs and input correction function (PV bias, Polygonal line approximation, polygonal line bias). Also, 24 VDC sensor power supply is available as an option.
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UP35A/UP32A
The UP35A is a program controller with available 4 patterns and 40 segments (max.) and multi-channel contact I/O. It also includes a ladder sequence function. The UP32A is a compact program controller with up to 4 patterns and 40 segments available. It also includes a ladder sequence function.
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UP55A
The UP55A is a newly-released 1/4 DIN sized program controller provides up to 30 program patterns, and simultaneous monitoring of 8 PV events, 16 time events, and 8 alarms. Also a ladder sequence function is included as standard.
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UT32A-D
The UT32A-D is a compact digital indicating controller with selectable 2-loop control. It also includes a ladder sequence function.
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UT35A/UT32A
The UT35A and UT32A temperature controllers employ an easy-to-read, 14-segment large color LCD display, along with navigation keys, thus greatly increasing the monitoring and operating capabilities. A ladder sequence function is included as standard. The short depth of the controller helps save instrument panel space. The UT35A/UT32A also support open networks such as Ethernet communication.