Overview
Manuals
Serial Expansion
Coprocessor Match
1771 Chassis Setup
Features:
- Exact 1771-DXPS identity and documented product function.
- Order-code-specific ratings and system compatibility must be verified.
- Replacement requires complete installed-system matching.
1771-DXPS is the optional serial expander module for the Allen-Bradley 1771 control coprocessor family. It is used with a compatible 1771-DMC, 1771-DMC1 or 1771-DMC4 main module and the combined assembly requires two chassis slots.
Before replacement, record the complete label, installed position, wiring, connectors, accessories and retained configuration. After installation, verify diagnostics and every affected function under an approved controlled procedure.
The Allen-Bradley 1771-DXPS Control Coprocessor Serial Expander Module is listed as Obsolete / Discontinued by OEM. Current revision, availability and supplied scope are confirmed in the written quotation.
1771-DXPS official product documentation, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Verify the documented control coprocessor serial expander module function, complete part number and order-code-specific ratings before replacement.
Record the installed wiring, connectors, addresses, parameters and accessories before removal. Restore only the approved configuration.
After installation, verify power, diagnostics, communication and every affected input, output or controlled function under an approved procedure.
