What to do if the operation display doesn't appear on my YOKOGAWA Controller?
If the operation display doesn't appear after turning on the YOKOGAWA Controller, you should: * Check the wiring of the power terminals. * Check the key lock setting. * Turn the power off, and then turn it on again. * Check the I/O specifications and general specifications of the indicator.
Why is my YOKOGAWA Controller not operating?
If your YOKOGAWA Controller isn't operating, verify the supply voltage and check the specifications and polarity of any connected devices.
General| Brand | YOKOGAWA |
|---|---|
| Model | UM33A |
| Category | Touch Panel |
| Language | English |
Identifies personnel for whom the guide is intended, such as engineers and operators.
Lists general specifications for the UM33A Digital Indicator and LL50A software.
Describes how to affix unit labels, use maintenance port seals, and TAG No. labels.
The Quick setting function is a function to easily set the basic function of the indicator.
PV input is a universal input to arbitrarily set the type and range for the thermocouple (TC), resistance-temperature detector (RTD), and DC voltage/current.
Employing a 14-segment, active color LCD greatly increases the monitoring and operating capabilities.
The UM33A can use RS-485 communication by specifying the suffix code.
Describes the flow from unpacking to regular operations of the UM33A.
Identifies and describes the functions of the UM33A's display components like PV display, group display, and indicators.
Details the names and functions of the UM33A's keys, including DISP, PARA, SET/ENTER, arrow keys, and user function keys.
Explains the transitions between Operation Display, Operation Parameter Setting Display, and Setup Parameter Setting Display.
Provides a step-by-step guide on how to set parameters, using alarm setpoint (A2) as an example.
Describes how to use the Quick setting function to easily set the basic functions of the indicator.
Details how to monitor operation displays, including transitions between PV Display and SELECT Display.
Guides on setting alarm setpoints (A1 to A8) and the number of alarms (ALNO).
Covers setting PV input type, unit, range, scale, and decimal point position for various input types.
Provides basic function block diagrams illustrating the instrument's operational logic.
Explains how to set alarm types, including high/low limit, velocity, fault diagnosis, and latch functions.
Explains the function of alarm on-delay and off-delay timers for controlling alarm output timing.
Covers setting the RTS, RTH, and RTL parameters for retransmission output terminal, type, and scales.
Details how to set contact input functions, including PV reset, latch release, LCD backlight, and message display.
Covers setting the function of contact outputs, including alarm status, latch status, and key/display status.
Covers setting the active color PV display, guide display, multilingual display, and parameter display level.
Explains how to set the display or non-display of PV, Setpoint, and Status in the Operation Display.
Explains how to set or clear a password to prevent inadvertent changes to parameter settings.
Allows setting the parameter display level to Easy, Standard, or Professional mode.
Details how to confirm the status of keys and I/O conditions, displayed in hexadecimal format.
Guides on resetting all parameter settings to their factory default values using keys or software.
Describes the effects of power failures on indicator functions and how the system recovers.
Provides a troubleshooting flowchart and lists common errors occurring at power on and during operation.
Details specific errors that may occur during power-on, including causes, diagnoses, and remedies.
Lists common errors that can occur while the instrument is operating, with causes and remedies.
Specifies the conditions and locations for installing the instrument, including panel mounting and ventilation.
Provides step-by-step instructions on how to mount the instrument main unit onto a panel.
Offers important information and diagrams for wiring the instrument's various terminals.
Provides a graphical overview of parameter menus, display levels, and terminal assignments.
Lists and describes all available parameters, categorized by menu, for operation and setup.
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