I can't switch the SP. Check whether you are trying to switch it via communication, or whether it is the zone PID. Are there independent PIDs for heating and cooling? Why don't PID items appear? There is no control output. Why is there no output on the cooling side? Check whether you can output manually.
What are the PID switching methods? Output stops when the status is STOP. What PID should be used for remote input? Can I perform CC-Link communication? How many PID groups can be used? When should I use sensor power supplies affected models: certain Green series instruments? These are used when 2-wire transmitters are used in the field. They provide cost savings since they do not need to be purchased separately.
When I set up alarm values the parameters are initialized and I can't enter the settings. They will also not be displayed if you select an alarm for which no value is set. Are the alarm setting values and hysteresis settings set with a percentage? The are set with a real number. For temperature, it is set in degrees Celsius. If you set - dead zone, you can get an area where both outputs occur at the same time.
Set both item P on the heating side and item Pc on the cooling side to 0. What registers are accessible in UT link's Auto mode? It depends on the model. The following lists the readable registers by model. Is there a function for resetting alarms? When an alarm occurs, it automatically recovers if values enter the normal range. Check whether the wiring to the power supply terminal is correct.
If the PV display is also blank, this may indicate product failure. Please contact you Is control output available on a failure? Please provide information about PCB usage. PCBs polychlorinated biphenyl were banned from manufacturing and imports in Can I write the PV value via communication?
However, when communication is interrupted, the PV value is retained. Even when you expand the applicable range of the PID constant, the process states fluctuate, or response is unstable and hunting occurs control responses fluctuate , this function is effective for stabilizing control and suppressing hunting.
Can you give me details on PC link communication? Affected products: UT series, Green series ns-faq-greenterm. Also, you can easily connect with PLCs Can you give me details on the "Super" function? This is an overshoot suppression function that uses fuzzy logic. It constantly monitors deviation, and if it detects the possibility of an overshoot, it automatically changes the set point to a somewhat lower temp value sub set point SSP.
When y Can you give me details on ladder communication? Ladder communication is a protocol for communication with PLCs. Can you give me details on Modbus communication?
This is a protocol for communication with general purpose PCs and graphic panels. The DO items are used when in cascade control mode.
For other modes, use DO What settings can I use to get control output that is proportional to the input? I can't switch the SP. Check whether you are trying to switch it via communication, or whether it is the zone PID. Are there independent PIDs for heating and cooling? Why don't PID items appear? There is no control output. Why is there no output on the cooling side? Check whether you can output manually. What are the PID switching methods? Output stops when the status is STOP.
What PID should be used for remote input? Can I perform CC-Link communication? How many PID groups can be used? When should I use sensor power supplies affected models: certain Green series instruments?
These are used when 2-wire transmitters are used in the field. They provide cost savings since they do not need to be purchased separately. When I set up alarm values the parameters are initialized and I can't enter the settings. They will also not be displayed if you select an alarm for which no value is set. Are the alarm setting values and hysteresis settings set with a percentage? The are set with a real number.
There is no control output. Why is there no output on the cooling side? Check whether you can output manually. What are the PID switching methods?
Output stops when the status is STOP. What PID should be used for remote input? Can I perform CC-Link communication? How many PID groups can be used? When should I use sensor power supplies affected models: certain Green series instruments? These are used when 2-wire transmitters are used in the field. They provide cost savings since they do not need to be purchased separately.
When I set up alarm values the parameters are initialized and I can't enter the settings. They will also not be displayed if you select an alarm for which no value is set. Are the alarm setting values and hysteresis settings set with a percentage? The are set with a real number. For temperature, it is set in degrees Celsius.
If you set - dead zone, you can get an area where both outputs occur at the same time. Set both item P on the heating side and item Pc on the cooling side to 0. What registers are accessible in UT link's Auto mode? It depends on the model. The following lists the readable registers by model. Is there a function for resetting alarms? When an alarm occurs, it automatically recovers if values enter the normal range.
Check whether the wiring to the power supply terminal is correct. If the PV display is also blank, this may indicate product failure. Please contact you Is control output available on a failure? Please provide information about PCB usage. PCBs polychlorinated biphenyl were banned from manufacturing and imports in Can I write the PV value via communication? However, when communication is interrupted, the PV value is retained.
Are contacts still good during malfunction? There are 2 types of output available, FAIL and "failure diagnosis. What should I do when b. For energize alarms, ON contact results when an alarm occurs.
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