Mô đun GE FANUC Analog Current Input Block Diagram IC693ALG221/222/223/390/391/392/442
GE FANUC Analog Current Input Block Diagram IC693ALG221/222/223/390/391/392/442
Product Description
The IC200ALG620 Analog Input RTD Module is an intelligent module that accepts input signals from up to four RTD input devices and provides input data with 16 bits of resolution.
No external power supply is required for this module. The excitation current for the RTDs is provided by the module, which automatically matches the excitation current to each configured RTD type. The module accepts inputs from four independent 3-wire and/or 4-wire platinum, nickel, nickel/iron, or copper RTDs. Module features include
▪ Selectable resistance measurements in tenths of ohms, tenths of degrees Fahrenheit, or tenths of degrees Celsius ▪ Individual channel configuration ▪ Selectable resistance ranges: 0 – 500 ohms and 0 – 3000 ohms ▪ Selectable RTD input as resistance or temperature (Celsius or Fahrenheit) ▪ Reports high/low, under-range/over-range, open wire and input short alarms. ▪ Two data acquisition rates based on 50 Hz and 60 Hz line frequencies ▪ Configurable channel activation The module automatically performs A/D calibration at powerup. Automatic calibration is then repeated periodically to compensate for changes in the ambient temperature.
LED Indicator
The OK LED indicates module status: ▪ On green indicates normal operation ▪ Flashing green indicates boot mode or update ▪ Flashing amber indicates self-diagnostic error ▪ Off indicates no 3.3V backplane power.
Using the Module in Hazardous Locations
▪ WARNING – EXPLOSION HAZARD – SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION 2;
▪ WARNING – EXPLOSION HAZARD – WHEN IN HAZARDOUS LOCATIONS, TURN OFF POWER BEFORE REPLACING OR WIRING MODULES.
▪ WARNING – EXPLOSION HAZARD – DO NOT DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NONHAZARDOUS.
▪ Equipment labeled with reference to Class I, Div. 2, Groups A, B, C and D, Hazardous Locations is suitable for use in Class I, Div. 2, Groups A, B, C, D or non-hazardous locations only.
▪ Equipment labeled with reference to Class I, Zone 2, Groups A, B, C and D, hazardous locations is suitable for use in Class I, Zone 2, Groups A, B, C, D or non-hazardous locations only.
▪ Be sure to read the installation instructions provided with the module and its terminal assembly. These instructions specify the use of copper conductors and wire gauge and type requirements.
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