معرفی

جزيیات

box.jpg

1794-IF8IH | Allen Bradley FLEX I/O Isolated Input HART Analog Module

برند :

Allen-Bradley

پارت نامبر :

1794-IF8IH

زمان تحویل:

16 هفته

به دلیل سفارشی بودن کالاها و نوسانات قیمت ارز، لطفا برای اطلاع از قیمت بروز کالا استعلام بگیرید.

ویژگی ها / Specifications


ModelFLEX I/O Isolated Input HART Analog Module
Current0.320 A/cnt unipolar; 0.640 A/cnt bipolar
ConditionNew & Original in Factory Packing
Wire sizeDetermined by installed terminal base
Wire typeShielded
Resolution16-bits unipolar; 15-bits plus sign bipolar
CompatibilityHART 5
Conversion typeSigma Delta
Flexbus current80 mA @ 5V DC
Device supported2, 3, 4 wires
Factory Warranty12 Months
Input resistance249 ?1%
Maximum overload32 mA continuous, one channel at a time
Number of inputs8 single-ended, isolated
Wiring category?2 - on signal ports; 3 - on power ports
Absolute accuracy?0.1% full scale @ 25°C
Keyswitch position3
Ambient temperature0°C Tamb 55°C (32°F Tamb 131°F)
IEC temperature codeT4
Enclosure type ratingNone (open-style)
Power dissipation, max4.8 W @ 31.2V DC
Indicators (field side)1 red/green power/status indicator
Thermal dissipation, max16.4 BTU/hr @ 31.2V DC
Terminal base screw torqueDetermined by installed terminal base
Recommended terminal base unit1794-TB3, 1794-TB3S
External DC power voltage range19.2...31.2V DC (includes 5% AC ripple)
North American temperature codeT4
Accuracy drift with temperature?0.4% full scale for 0 55 ?C
External DC power supply current190 mA @ 24V DC
External DC power supply voltage, nom?24V DC
Dimensions, approx. (H x W x D) with module installed in base94 x 94 x 66 mm (3.7 x 3.7 x 2.6 in.)

Description / توضیحات


Specifications Data format: Engineering Units4 Percent of Full Scale RAW/Proportional Count Input current terminal: 4...20 mA (user configurable) 0...20 mA (user configurable) 0 mA output until product is configured Normal mode rejection ratio current terminal: >70 dB @ 50/60 Hz (4.17 Hz ADC conversion rate) >65 dB @ 50/60 Hz (10.0 Hz ADC conversion rate) >75 dB @ 50 Hz (16.7 Hz ADC conversion rate) >85 dB @ 60 Hz (19.6 Hz ADC conversion rate) Common mode rejection ratio: >60 dB @ 50 Hz >60 dB @ 60 Hz Step response to 99% current terminal: 4.17 Hz conversion rate = 480 ms 10.0 Hz conversion rate = 200 ms 16.7 Hz conversion rate = 120 ms 19.6 Hz conversion rate = 101 ms 62 Hz conversion rate = 32 ms 470 Hz conversion rate = 4 ms Calibration required: Factory calibrated Can be calibrated in field when necessary Isolation voltage: 120V (continuous), Basic Insulation Type Type tested @ 1000V AC for 60 s, between User power to system, channel to system, and channel to channel. NOTE: Includes offset, gain, non-linearity and repeatability error terms. If 24V DC is removed from the module, input resistance = 10 k . Use this conductor category information for planning conductor routing as described in Industrial Automation Wiring and Grounding Guidelines Engineering Units apply to HART data only.

محصولات مشابه