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Essential details:1797-IE8 Allen-Bradley Flex Ex analog input module
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1797-IE8 Allen-Bradley Flex Ex analog input module
The modules has an approximate update rate of 200 ms as the fastest and 1600 µs as the worst update time. This update rate depends greatly on the distance of the module from the communication adapter.
The 1797-IE8 is designed with internal diagnostics, enabling the module to detect alarm situations such as lead breakage detection, overrange/underrange alarms and remote transmitter alarm.
The 1797-IE8 requires an equally rated terminal base. Compatible terminal base includes 1797-TB3 or 1797-TB3S. It cannot be used with standard Flex I/O terminal bases. When establishing I/O connections to the terminal base, recommended wire size is 4mm2 (12 AWG), stranded copper wire. Additionally, the recommended insulation thickness is 1.2 mm (3/64 in.). The module’s keyswitch assignment is position 3.