Octal Industrial Digital Input
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MAX22192
EVALUATION KIT AVAILABLE
Octal Industrial Digital I...
Description
Click here for production status of specific part numbers.
MAX22192
EVALUATION KIT AVAILABLE
Octal Industrial Digital Input with Diagnostics and Digital Isolation
General Description
The MAX22192 is an IEC 61131-2 compliant industrial digital input device with integrated digital isolation. The MAX22192 translates eight, 24V current-sinking, industrial inputs to an isolated serialized SPI-compatible output that interfaces with 1.71V to 5.5V logic voltage. A currentsetting resistor allows the MAX22192 to be configured for Type 1, Type 2, or Type 3 inputs. For proximity switches, the field-wiring is verified using the wire break feature. When wire break is enabled, the LFAULT output is asserted and a register flag set if the input current drops below the wire break threshold for more than 20ms. Additional diagnostics that assert LFAULT include: overtemperature protection, low 24V field supply, 24V field supply missing, and CRC communication error.
For robust operation in industrial envi...
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