CHINO
Controllers
Setters
OEM Models
Discontinued
DB500 Series Digital Indicating Controllers
The DB500 series is high-accuracy, high-speed compact controllers with digital displays and an indicating accuracy of ± 0.2% and sampling frequency of about 0.2 second, incorporating high-performance microprocessors with a front panel 48 mm width and 96 mm height. They have excellent functions including an auto-tuning PID function and overshoot suppression function using fuzzy logic. A communications interface is available. DB500 Series
TabView Example - Basic From Existing Markup
    Accurate control with ease of operation
    The operation keys required for setting a set value, PID constants, alarms, etc. are simply arranged for accurate control with easy operation.
    Auto-tuning PID function
    The optimum PID constants can be set automatically, eliminating troublesome setting operations and allowing setup in a short period of time.
    Overshoot suppression with Fuzzy Logic
    Overshoot which tends to occur due to sudden changes such as a change of the object to be controlled or the change of a set value in a heat treating furnace, etc. can be suppressed by fuzzy logic.
    Communications interface
    As a communications interface and transmission signal output are available as options, control using a host computer or combination with a recorder can be performed easily.
    Zone division control
    Using the communications interface, a number of this controllers can be connected to control up to 32 zones, allowing tunnel kiln control, etc. Also, combination with a KP Series Digital Program Setter enables program control of a multi-zone batch furnace.
    Indicating accuracy of ± 0.2% and sampling cycle of about 0.2 second
    Even though its front panel is small (48 x 96mm), high accuracy and high speed are achieved through use of a high-performance microprocessor and A/D converter.
    Model Control systems
    DB510-000 On-off pulse type PID
    DB530-000 Current output type PID
    DB550-000 SSR drive pulse type PID
    Input signals Measuring ranges
    Thermocouples R 0 to 1760°C
    S 0 to 1760°C
    B 0 to 1820°C
    K -200 to 1370°C, -200 to 300°C
    E -270 to 700°C
    J -200 to 900°C
    T -270 to 400°C
    N 0 to 1300°C
    U -200 to 400°C
    L -200 to 900°C
    DC voltage -10 to 10mV, -5 to 5V
    DC current -20 to 20mA
    Resistance thermometers Pt100 -200 to 649°C, -200 to 150 °C
    JPt100 -200 to 649°C, 200 to 150 °C
    Pt50 -200 to 649°C
    signals Thermocouples B, R, S, K, E, J, T, N, U, L
    DC voltage ±10mV, ±5V
    DC current ±20mA
    Resistance thermometers Pt100, JPt100, Pt50
    Accuracy rating ±0.2% of input span ± 1 digit
    (For thermocouple inputs, reference junction temperature compensation accuracy is not included.)
    Reference temperature compensation accuracy ±0.8°C
    Sampling period About 0.2 second
    Burnout Upscale burnout for thermocouple, mV and resistance thermometer inputs
    At burnout Control output 0% and high alarm activation
    Scaling 1999 to 9999
    Decimal point of scale 0 to 3
    Displays 4-digit 2-stage display by 7-segment LED
    5 status displays by individual LED
    Power Supply  85 to 264VAC, 50/60Hz (universal power supply)
    Ambient temperature -10 to 50°C
    Ambient humidity -20 to 90%RH (no dew condensation)
    Power consumption Maximum 8VA
    Weight About 400g
    Control switching cycle About 0.2 second
    Control system Current output type PID, On-off pulse type PID, SSR drive pulse type PID (2-position control is possible by internal switches.)
    Control set value Up to 8 (4-digit) values can be set.
    Set value change ratio Setting of slope when the control set point is changed. Ratio 0000 to 9999/minute (0 for step response)
    Control setting accuracy rating ±I digit (relative error to indicating value)
    Auto tuning Provided. PID constants can also be set manually.
    PID constants P: 0.1 to 999.9%
    I: 0 to 9999 seconds (0 for without reset action)
    D: 0 to 9999 seconds
    Fuzzy function Overshoot suppression by fuzzy calculation, ON/OFF setting possible (with fuzzy)
    Current output type PID Output signal:  4 to 20mADC
    Load resistance Less than 550Ω
    On-off pulse type PID Output signal  On-off pulse conductive signal
    Contact capacity  Resistive load: 100VAC less than 2A, 200VAC less than 1A
    Inductive load: 100VAC less than 1A, 200VAC less than 0.5A
    Minimum load: more than 5VDC 10mA
    On-off pulse period Variable between about 1 to 100 seconds
    SSR drive pulse PID Output signal On-Off pulse voltage signal
    ON: 14VDC ± 20% (maximum 20mA)
    OFF: Less than 0.6VDC
    On-off pulse period Variable between about 1 to 180 seconds
    Alarm points 2 points
    Alarm system High/low alarms and deviation/absolute-value alarms
    With standby function
    Alarm output Form A relay contact output
    Contact rating Resistive load: 100VAC less than 1A,
    200VAC less than 0.5A
    Inductive load: 100VAC less than 1A,
    200VAC less than 0.5A
    Minimum load: More than 5VDC 10mA
    Communications interface RS-422A (option)
    PS Sheet DB500 Series PSE-158C Download
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