Analog input channel number: 4CH.
Available thermocouple: -.
Available temperature resistance: PT100, JPt100.
Sampling period 4CH: 250ms/500ms.
Control output cycle: 0.5s ~ 100.0s.
Input impedance: 1M.
Input filter (0: input filter OFF): 0 ~ 100s.
Sensor compensation value setting: the full range of the input range of the negative terminal to the full range of the input range R68B datasheet PDF catalog R68B PDF datasheet R68B
Sensor input when the action: according to the scale of the processing.
Temperature control mode: ON/OFF PID pulse or 2 position control
Heater disconnection detection specification: there.
External wiring connection mode: 18 point screw terminal.
IQ-R MELSEC series of temperature control module to achieve a high stability and response to the temperature control R68B datasheet PDF catalog R68B PDF datasheet.
Divided into Thermocouple Input, temperature resistance input two types of input,
These two kinds of input types are distinguished by the function of the detection of the broken line with / without heater.
Module binding function.
Combined with the use of up to 64 sets of temperature control module for temperature control. Can be combined with the function of the following two points R68B datasheet PDF catalog R68B PDF datasheet.
Heating function between modules.
Peak current suppression function between modules.
By cooperating with the time of arrival of a number of loops, the average temperature is controlled.
Can realize the uniform temperature control, avoid partial burning control object,
Part of the phenomenon of thermal expansion. Can be divided into 16 groups, with its heating up to the time,
Reduce the overall system in heating up the waste of energy.
Peak current suppression function between modules
By the time staggered output transistor, suppressing peak current.
The power supply capacity of the equipment can be reduced by setting a larger channel and a smaller channel of the heater in the same set.
Can be divided into 5 groups. Analog input channel number: 8CH.
accuracy
Ambient temperature of 25 plus or minus 5 degrees C: plus or minus 0.1%.
Ambient temperature 0 ~ 55 degrees C:-.
Temperature coefficient: positive and negative 35ppm/.
Common
Conversion speed: 10ms.
Insulation between channels: isolation transformer insulation.
Absolute maximum input: positive and negative 15V, 30mA.
External wiring connection mode: 40 pin connector.
Voltage input
The analog input voltage: DC - 10 - 10V.
Digital output value: 32000 ~ 32000.
Current input
Analog input current: DC0 ~ 20mA.
Digital output value: 0 ~ 32000.
Analog input module for the external analog signal into the interface of the programmable controller.
Can choose the channel between the insulation, voltage input, current input, voltage / current mixed input, thermocouple input, temperature resistance (RTD) input for a variety of purposes, such as modules.
Filter high frequency interference.
Analog input module has been equipped with a first order lag filter.
The analog input signal with high frequency interference component can be obtained by using the first order lag filter.
Parameters can be set through the filter time constant, no program can be easy to use.
Execute event driven program through alarm output
Strengthen the implementation of the interrupt function according to the alarm output flag, easy to carry out preventive maintenance R68B datasheet PDF catalog R68B PDF datasheet.
The measured value and the change rate of the analog input signal exceed the upper and lower limits of the set,
Regardless of the procedure of the scan time, can be executed interrupt handling, quickly respond to abnormal conditions R68B datasheet PDF catalog R68B PDF datasheet.