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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Function: Duplexed Field Control Unit (for Vnet/IP and FIO
Medium Description: For use with PM 802F or PM 803F
Data input: Four words of analog output from CPU or NIU
Backplane connector: 1 (short edge)
8 Watts (at 2 Amperes)
621-9938R Honeywell - Serial I/O Module Control Memory Xchange Module Function: Duplexed Field Control UnitOverview Honeywell 621 9938R is a Serial I O Module (SIOM) used in redundant serial I O configurations, installed in slot N of the remote Serial I O card file. It controls the serial I O card file and interfaces with the 621 9939 SLM in the processor card file. Specifications Model: 621 9938R Type: Serial I O Module Application: Redundant or nonredundant serial I O configurations Communication Ports: Dual ports for redundant serial I O lines
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