Listing ID #5820346
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Contact Suppliermodel no : 621-9938r
product type : serial i/o module
controls the serial i/o card file
interfaces with the model 621-9939 slm
redundant
serial i/o redundancy requires the model 621-9938r redundant serial i/o module (siom) in each serial i/o card file.
this version of the siom has dual communication ports so that it can attach to the redundant serial i/o lines
manufacture : honeywell
usage : indutrial automation
warranty : 1 year