X20BB52: what the order code must match
X20BB52 is a Compact-S PLC bus base with RS232 for a defined industrial installation. When requesting X20BB52, keep its complete printed designation, hardware revision and project context together so that purchasing and engineering review the same component.
Technical identification and selection data
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | X20BB52 |
| Product family | X20BB52 |
| Component role | Compact-S PLC bus base with RS232 |
| Platform | X20 Compact-S PLC base |
| Interface | Integrated RS232 connection |
| I/O supply | 24 V DC nominal |
| Final configuration | Confirm exact nameplate, hardware revision and order options before purchase |
The X20BB52 data above identifies the published function and key selection checks. A rating or connection shared with another device does not establish an approved replacement for X20BB52.
Where this item works
For X20BB52, the intended duty is: Carry the Compact-S PLC and its power module on the specified backplane. Capture the actual connected load or signal, site environment and operating sequence before purchase.
The installation record for X20BB52 should include a nameplate photograph, panel drawing and the failed unit's setting or software version when applicable.
Match the interface before ordering
The critical cross-check for X20BB52 is: Check the CPU generation, power module, RS232 assignment and mounting pitch; a visually similar X20 base need not offer the same connector. A similar product outline, series name or current class alone is not enough.
Ask the supplier to identify any deviations from X20BB52 in connection hardware, function, approvals and accessories. Resolve them against the engineering drawing before accepting a substitute.
Installation and return-to-service proof
For X20BB52, the controlled acceptance method is: Confirm seating, supply, controller recognition and serial communication after installation. Record the actual results, not merely a pass/fail impression.
Before returning the equipment containing X20BB52 to production, verify isolation, protective coordination, terminal identification and any interlock or safety-related response.
Same-series ordering references
These codes share the X20BB52 grouping with X20BB52, but option strings can alter ratings, wiring, firmware or certifications. They are not automatically interchangeable with X20BB52.
No additional unassigned X20BB52 code is recorded here for X20BB52.
Buyer handover record
Quote X20BB52 in full, state quantity and destination, and attach the relevant panel photograph and drawing. Confirm whether accessories are included in the offered supply.
At receipt, compare the supplied label with X20BB52 and document any difference before installation. Retain the final part identity and the X20BB52 acceptance test with the asset history.
