Model DX531 identifies the ABB 8-input 4-relay-output AC digital I/O module. A mixed S500 digital I/O module combining eight AC inputs with four changeover relay outputs for approved high-voltage field circuits.
Item NO.:
DX531Brand/ Manufacturer:
ABBDimensions:
See exact-model technical dataWeight:
0.300 kgCountry of Origin: :
Confirm on supplied product documentationDescription:
8-input 4-relay-output AC digital I/O moduleMatch the complete DX531 and article 1SAP245000R0001, then verify the S500 digital I/O hardware generation, central or distributed S500 I/O bus role, connection method and approved configuration. Physical similarity is not proof of compatibility.
Engineering note: After fitting DX531, clear unrelated faults, confirm central or distributed S500 I/O bus or channel status, exercise the affected path and archive the acceptance evidence.
Installation planning
Confirm DX531 enclosure protection, cabinet heat dissipation, mounting arrangement and documented environmental limits before installation.
Storage and handling
Keep DX531 protected from moisture, contamination, impact and electrostatic discharge from receipt through installation.
Send the exact DX531 model, required quantity, destination and installed hardware details. Request current nameplate photographs and confirm compatibility before ordering.
Use DX531 where the engineered system calls for eight AC inputs and four relay outputs through central or distributed S500 I/O bus; retain the stated 120 or 230 V AC inputs and relay outputs up to 230 V AC at 3 A and a TU531 screw or TU532 spring terminal unit conditions in the installation design.
Select this exact article when 8 AC inputs combined with 4 changeover relay outputs is required. Confirm the surrounding assembly, software record and field interface instead of choosing by module appearance.
Lifecycle assessment: Confirm current availability and lifecycle status against the latest manufacturer notice for the exact article number.
Ordering check: Verify the full model, article number, hardware revision and supported project release before purchasing.
Complete these six checks against the current project documentation and the official exact-model record.
Maintain distinct acceptance rows for the AC inputs and changeover relay outputs.
The final record should tie every tested point to its TU531 or TU532 terminal.
Match DX531 with article 1SAP245000R0001; the catalog records an 8-input, 4-relay-output AC digital I/O module.
The mixed arrangement—8 AC inputs combined with 4 changeover relay outputs—must be preserved as one module function.
DX531 combines eight AC inputs with four relay outputs in one S500 I/O position. Both directions are part of its application.
Install the documented TU531 screw or TU532 spring terminal unit and reconcile both input and relay terminals.
Evaluate DX531 inputs at 120 or 230 V AC and its relay outputs up to 230 V AC at 3 A as separate circuits.
Save the eight-input/four-output split, terminal map, load data and diagnostics.
No. DX531 combines two signal directions; match the article, channel split, terminal unit and electrical limits.
Preserve input/output conductor separation, terminal access, enclosure protection and cabinet cooling.
Prove AC sensing first and relay actuation second; file both results against the mixed map.
Attach the eight-input/four-output map, terminal-unit choice, exact article and delivery requirement.
Both PDFs are hosted on dcsmodule.com and prepared from the exact official ABB manufacturer records cited on this page. They are independent Moore Automation references, not manufacturer-issued manuals.
Exact article identity, application context, procurement checks, replacement guidance and manufacturer-source trace.
OPEN SITE PDF → TECHNICAL DATAModel-specific specifications, compatibility boundaries, installation checks, commissioning guidance and official-source trace.
OPEN TECHNICAL DATA PDF →Ask for the exact DX531 nameplate, hardware identification, revision, connector condition and packaging. Verify that the supplied unit carries the exact DX531 identification.
| Specification | Official identification / verification note |
|---|---|
| Model | DX531 |
| Order code | 1SAP245000R0001 |
| Module family | S500 mixed digital I/O |
| Digital inputs | 8 |
| Input signal | 120 or 230 V AC |
| Relay outputs | 4 |
| Contact form | Changeover |
| Output rating | Up to 230 V AC, 3 A |
| Terminal unit — screw | TU531 |
| Terminal unit — spring | TU532 |
| Catalog weight | 0.300 kg |
| Circuit segregation | Maintain approved high-voltage spacing and grouping |
| Replacement boundary | Input voltage and relay arrangement must both match |
| Commissioning focus | Input thresholds, contact action and safe-state test |
Technical-data note: Values shown here are limited to the exact model and explicitly documented assembly. Confirm field conditions and the applicable project release before installation.
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Send the full DX531 model, required quantity and delivery country. Our team can check current availability and arrange nameplate photos, packaging images or live or recorded video verification where available.
Confirm the exact DX531 model, available quantity, condition and estimated dispatch time.
Check the exact model, article number, hardware identification, revision and visible product condition.
Receive quotation, warranty terms, delivery options and international shipping support.
Send the full model, quantity and destination for quotation and availability checking.
Moore Automation separated the DX531 commercial scope from the 8 ac inputs combined with 4 changeover relay outputs checks, so our review stayed concise.
Tiffany kept the DX531 inquiry tied to the article number and requested the correct installation evidence before confirming the match.
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