ABB

DO524 - 32-Channel 24VDC 0.5A Digital Output | ABB

Référence : DO524 ✗ Fin de vie
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24 V DC Vdss 0.5 A per output Id
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Prix mis à jour : 2026-10-20
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DO524 Présentation

ABB DO524 is a 32-channel digital output module for AC500 and S500 programmable logic controller systems, supplying 24 V DC at 0.5 A per output and using one-wire connections. The module is organized into four output groups and provides short-circuit and overload protection. Its key engineering characteristics are 32 digital outputs, a 24 V DC field supply, 0.5 A output current, and four-group organization.

A digital output module is an industrial PLC interface that converts controller commands into electrical drive signals for actuators, lamps, relays, contactors, and other field equipment. In the broader automation hierarchy, DO524 belongs to programmable logic controller I/O, specifically transistor-driven digital output hardware rather than an analog signal conditioner, safety relay, or standalone microcontroller.

The ABB product materials identify DO524 as an S500 digital output module with 32 outputs rated at 24 V DC and 0.5 A. The outputs are arranged in four groups, with protection described for short-circuit and overload conditions. ABB also identifies a module-wise galvanically isolated XC version for extreme environmental conditions, although the exact ordering code and environmental ratings of the standard DO524 require confirmation from the applicable technical document.

DO524 is intended for AC500 and S500 automation architectures where distributed digital outputs connect the PLC bus to field devices. The one-wire connection arrangement can simplify field wiring when the application uses compatible ABB input and output modules. Because the verified excerpts do not provide the complete terminal map, output isolation details, update timing, or exact environmental limits, those values should not be inferred from the model name.

Typical applications include controlling relay coils, indicator lamps, solenoid valves, contactors, and other 24 V DC loads that fall within the module's stated output rating. Designers should verify the load type, inrush current, thermal behavior, wiring configuration, and required isolation before integrating it into a machine.

For robust commissioning, confirm the correct AC500/S500 system version, inspect the module's terminal assignments, validate the 24 V DC supply arrangement, and test short-circuit behavior under controlled conditions. This page synthesizes ABB technical information, verified distributor search results, and engineering-oriented selection guidance without inventing unavailable electrical details.

Alternatives de remplacement direct pour DO524 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.

Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :

Aucune alternative de remplacement direct disponible pour ce produit.

Demander des alternatives

DO524 Spécifications (publiées par le fabricant)

Product Type S500 digital output module
Number of Digital Outputs 32 outputs
Rated Output Voltage 24 V DC
Rated Output Current 0.5 A per output
Output Grouping 4 groups
Connection Type 1-wire
Short-Circuit Protection Yes
Overload Protection Yes
Compatible Controller Family ABB AC500 and S500 systems
XC Version Isolation Module-wise galvanically isolated XC version available
Output Quantity 32 digital outputs
Field Supply 24 V DC
Nominal Output Current 0.5 A
Number of Output Groups 4
Terminal Allocation Refer to the DO524 technical data and terminal assignment documentation
Statut RoHS unknown
REACH Status unknown

Interfaces et connecteurs du DO524

Aucune liste d'interfaces publiée par le fabricant n'est disponible pour le DO524. Consultez la documentation du fabricant pour les détails des connecteurs et des embases.

Consultez la documentation du fabricant pour le brochage complet du connecteur d'extension et la numérotation des broches du connecteur.

Applications typiques

DO524 convient pour 6 applications: AC500 Relay-Control Systems, S500 Contactor Interfaces, 24 V DC Solenoid-Valve Banks, Industrial Indicator and Alarm Panels, Machine-Tool Auxiliary Control, Process and Packaging Machinery.

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AC500 Relay-Control Systems

DO524 fits AC500-based relay-control panels where the PLC must switch multiple 24 V DC coils from one distributed I/O module. Its verified 32-channel capacity reduces the number of output points required for repeated electromechanical sequencing, while the 0.5 A per-output rating provides a defined basis for load selection. Confirm one-wire terminal assignments and ensure relay coils do not exceed the module's switching and thermal limits.

⚡

S500 Contactor Interfaces

The ABB DO524 is suitable for driving contactor or relay coils in an S500 automation system when the field supply is 24 V DC and each channel remains within 0.5 A. Its four-group organization supports structured control of multiple actuators, but the final wiring must follow ABB's documented terminal map. Suppression components and load-specific inrush checks are essential when switching inductive coils.

🔧

24 V DC Solenoid-Valve Banks

DO524 can control banks of 24 V DC solenoid valves when each coil's current and duty cycle fit the stated 0.5 A output capability. The 32 outputs allow a single PLC module to manage multiple valve positions in packaging, assembly, or process equipment. Engineers should verify valve inrush, holding current, suppression requirements, thermal behavior, and the exact module wiring scheme before final commissioning.

💡

Industrial Indicator and Alarm Panels

A 32-channel DO524 module is useful for distributed status indication, alarm lamps, and simple annunciation circuits in AC500 or S500 panels. Its 24 V DC output format matches common industrial field-signal practices, and the documented short-circuit and overload protection helps contain channel-level faults. Final design still requires checking lamp inrush, polarity, group behavior, and the applicable wiring instructions.

🏭

Machine-Tool Auxiliary Control

DO524 can serve as the output stage for machine-tool auxiliary functions such as clamps, pilot devices, lamps, and small pneumatic controls. The 32-channel capacity is valuable when a machine has many discrete actuators distributed across a panel. The module should be selected only after verifying the AC500/S500 system configuration, field wiring method, output protection, and the environmental class required by the machine.

📺

Process and Packaging Machinery

In packaging and process machinery, DO524 provides a scalable interface for operating valves, relays, indicators, and actuators that share a 24 V DC control environment. Its four-group structure can simplify organized channel allocation, although the supplied data does not establish whether groups share protection or supply paths. Confirm grouping, isolation, and fault behavior in the current ABB documentation before wiring production equipment.

What is ABB DO524?
ABB DO524 is an S500 digital output module for AC500 and S500 PLC systems. It provides 32 digital outputs rated at 24 V DC and 0.5 A, arranged in four groups, with short-circuit and overload protection. The verified ABB product and help pages identify it as a 1-wire digital output module. Use it when a compatible ABB automation bus and field wiring arrangement are already in place.
How many outputs does the DO524 provide?
The DO524 provides 32 digital outputs. ABB's verified product information specifies 32 DO channels, while the technical help page states that the outputs are arranged in four groups. The 32-channel count is the primary sizing figure for PLC configuration and I/O allocation. Confirm the exact channel and terminal mapping in the applicable DO524 technical documentation before wiring.
What voltage and current can DO524 outputs handle?
DO524 outputs are specified for 24 V DC and 0.5 A per output according to the verified ABB product listing. This rating describes the module's stated output capability, not every possible load condition. Engineers should also verify inrush behavior, duty cycle, thermal limits, and the load type against the complete ABB technical data before selecting a field device.
Is DO524 compatible with AC500 and S500 PLC systems?
Yes. ABB identifies DO524 as an S500 digital output module, and the verified technical search results associate the product with AC500 and S500 system data. Compatibility is tied to the correct controller, bus configuration, system version, and module version. The available excerpts do not prove compatibility with every AC500 release, so configuration manuals and current ABB system documentation should be checked.
Where can I download the DO524 datasheet PDF?
The official ABB data-sheet link is available at https://search.abb.com/library/Download.aspx?DocumentID=3ADR010052. ABB also publishes a PDF copy through its library.e.abb.com domain and a product page with a downloadable data sheet. The document title and revision can vary between search results, so verify the revision and applicability to the standard or XC version before engineering release.
Where can I find the DO524 pinout and terminal assignments?
The DO524 terminal assignments are documented in ABB's technical data and installation documentation rather than in a semiconductor-style pinout. The verified help page identifies terminal-number and signal-name allocation as a topic in the DO524 documentation. Download the current ABB DO524 data sheet and wiring manual for the installed version; do not infer terminal numbering from a generic PLC module diagram.
What is the difference between standard DO524 and the XC version?
ABB's verified technical information states that a module-wise galvanically isolated XC version is available for use in extreme environmental conditions. The standard DO524 is described as an S500 digital output module with 32 outputs at 24 V DC and 0.5 A. The supplied excerpts do not establish whether the XC version is a separate orderable MPN or a configuration variant, so confirm the exact ordering code.
Does DO524 provide short-circuit and overload protection?
Yes. The verified ABB DO524 technical help result explicitly states that the outputs include short-circuit and overload protection. Protection does not remove the need for correct fusing, load selection, wiring inspection, and thermal validation. Protection behavior, trip thresholds, recovery mode, and group-level effects must be confirmed from the complete current ABB technical document.
Can I use DO524 for relay coils and contactors?
DO524 can be considered for compatible 24 V DC relay coils, contactor coils, indicator lamps, and solenoid valves, provided each load is within the verified 24 V DC and 0.5 A output rating. Relay coils with high inrush current or inductive energy may require suppression and may impose additional switching or thermal requirements. Validate the exact load data and ABB protection limits before final design approval.
What should I check before replacing another PLC output module with DO524?
Check controller compatibility, bus configuration, channel count, output voltage and current, number of groups, wiring topology, isolation, protection behavior, and environmental requirements. DO524 is documented as a 32-channel, 24 V DC, 0.5 A S500 output module, but those headline values alone do not prove drop-in compatibility. Use the original module's terminal map and ABB compatibility documentation for the migration decision.
Where can I buy DO524 and what is its lead time?
DO524 can be sourced through ABB or authorized industrial automation distributors, but the verified search data does not provide a current unit price, stock quantity, or lead time. Treat the product as order-on-request for this data set until an authorized distributor confirms commercial availability. Request the exact ABB ordering code, version, warranty terms, and delivery schedule before placing a production order.
How much does DO524 cost?
A current price for ABB DO524 was not present in the verified data, so a numeric price cannot be stated reliably. Pricing can vary with module version, distributor stock, quantity, and whether the order includes related AC500/S500 components. Request a quotation from ABB or an authorized distributor and compare the total delivered price rather than relying on an unverified marketplace listing.
Is DO524 still active or discontinued?
The verified data confirms that ABB publishes DO524 technical material and a product page, but it does not explicitly state the lifecycle status. Therefore, the correct lifecycle classification is unknown until ABB or an authorized distributor confirms production status, last-time-buy status, or replacement guidance. Check the current ABB product page and lifecycle documentation before treating it as a new-design component.
What is the DO524 used for in industrial automation?
DO524 is used as a PLC digital output interface for switching 24 V DC field loads in AC500 and S500 automation systems. Typical loads include relay coils, lamps, contactors, and solenoid valves. Its 32 outputs and four-group arrangement help distribute control functions, while the verified 1-wire connection description points to a specific ABB wiring arrangement that should be followed exactly.
Do I need external suppression for inductive loads on DO524?
The verified excerpts do not specify the required suppression network, so external flyback protection should not be assumed or omitted without reviewing the load manufacturer's guidance and ABB documentation. Inductive loads can generate voltage spikes when switched off, and those spikes may affect the module, connected equipment, or control integrity. Confirm flyback diode, snubber, or other protection requirements for the actual coil.

Données de référence d'ingénierie pour DO524 — comparaison, recommandations de conception et informations de conformité.

Guide de sélection

Choose the ABB DO524 when an existing AC500 or S500 system requires 32 digital outputs operating from a 24 V DC field environment and the verified one-wire connection arrangement matches the installation. It is particularly useful for relay, contactor, lamp, and solenoid-valve panels where each channel is expected to remain within 0.5 A and the load-specific switching requirements are acceptable. Do not select it solely by channel count: confirm terminal assignments, system version, group behavior, protection details, environmental requirements, and lifecycle status from ABB documentation. No drop-in substitute was verified in the supplied cross-reference results, so a different module should be treated as a redesign requiring engineering review rather than a field replacement. For pricing and lead time, request a current quotation from ABB or an authorized industrial distributor because those commercial values were not present in the verified data.

Comparaison avec les alternatives

Paramètre Ce produit
Brand ABB
Product Type S500 digital output module
Number of Digital Outputs 32 outputs
Rated Output Voltage 24 V DC
Rated Output Current 0.5 A per output
Output Grouping 4 groups
Connection Type 1-wire
Protection Short-circuit and overload protection
Controller Compatibility AC500 and S500 systems

Principaux différenciateurs

  • High channel density for distributed PLC control (vs No verified drop-in alternative was identified in the supplied cross-reference data)
  • Defined 24 V DC output capability (vs No verified drop-in alternative was identified in the supplied cross-reference data)
  • Integrated channel protection (vs No verified drop-in alternative was identified in the supplied cross-reference data)

Notes de conception

Do not treat DO524 as a generic 32-channel transistor board. The verified documentation ties the module to ABB AC500/S500 system data and describes a specific one-wire connection arrangement. Verify the exact terminal-number-to-signal-name map for the installed module version before energizing field outputs; a plausible-looking but incorrect wiring sequence can reverse control intent or damage connected equipment.

Size every field load against the stated 24 V DC and 0.5 A per-output rating, including startup or inrush current for relay coils, lamps, and solenoid valves. The supplied excerpts do not specify thermal derating, duty-cycle limits, group current limits, or protection timing, so obtain the complete ABB technical data before assuming continuous full-channel operation. Add appropriate fusing and load-specific suppression where required.

Plan the cabinet wiring to preserve the ABB one-wire connection method and separate field-return paths according to the official terminal plan. Route field output wiring away from sensitive signal wiring, maintain strain relief at the module and field devices, and inspect every terminal for correct torque. Because the verified data does not specify isolation, grounding, or shield requirements, those details must come from the current installation documentation.

Informations de conformité

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Sans plomb
Unknown
Sans halogène
Unknown
Minerais de conflit
Unknown

The supplied ABB search results do not provide RoHS, REACH, lead-free, halogen-free, or conflict-minerals declarations for DO524. AEC-Q100 is not applicable because DO524 is an industrial PLC I/O module rather than an automotive semiconductor.

Données vérifiées le : 2026-10-21 — données vérifiées et sélectionnées par l'équipe d'ingénierie composants de XAIPART

Recherches associées

ABB DO524 DO524 datasheet PDF ABB DO524 digital output module DO524 32 digital outputs 24 VDC 0.5 A AC500 S500 digital output module DO524 terminal assignment DO524 one-wire connection DO524 short-circuit overload protection DO524 drop-in replacement DO524 price and lead time DO524 vs PLC digital output module where to buy ABB DO524

Composants & termes associés

ABB DO524 AC500 S500 S500-XC digital output module programmable logic controller PLC I/O 32 digital outputs 24 V DC 0.5 A one-wire connection short-circuit protection overload protection field actuator relay coil contactor solenoid valve industrial automation ABB data sheet terminal assignment module-wise galvanic isolation DO524 technical data
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