Description
X20AI1744 B&R PLC module
Product Dimensions：
X20(c)AI1744-3 – Description for modules with Rev. G0 or later
2.1 General information
This module works with both 4-wire and 6-wire strain gauge load cells. The concept applied by the module requires
compensation in the measurement system. This compensation eliminates the absolute uncertainty in the
measurement circuit, such as component tolerances, effective bridge voltage or zero point offset. The measurement
precision refers to the absolute (compensated) value, which will only change as a result of changes in the
operating temperature.
• 1 full-bridge strain gauge input
• Data output rate configurable from 0.1 Hz to 7.5 kHz
• Special operating modes (synchronous mode and multiple sampling)
• Configurable filter level
2.2 Coated modules
Coated modules are X20 modules with a protective coating for the electronics component. This coating protects
X20c modules from condensation and corrosive gases.
The modules’ electronics are fully compatible with the corresponding X20 modules.
For simplification purposes, only images and module IDs of uncoated modules are used in this data
sheet.
The coating has been certified according to the following standards:
• Condensation: BMW GS 95011-4, 2x 1 cycle
• Corrosive gas: EN 60068-2-60, Method 4, exposure 21 days
2.3 Order data
Model number Short description Figure
Analog inputs
X20AI1744-3 X20 analog input module, 1 full-bridge strain gauge input, 24-bit
converter resolution, 5 Hz input filter
X20cAI1744-3 X20 analog input module, coated, 1 full-bridge strain gauge input,
24-bit converter resolution, 5 Hz input filter
Required accessories
Bus modules
X20BM11 X20 bus module, 24 VDC keyed, internal I/O supply continuous
X20cBM11 X20 bus module, coated, 24 VDC keyed, internal I/O supply continuous
Terminal
blocks
X20TB12 X20 terminal block, 12-pin, 24 VDC keyed
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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