ABB DO524 32-Channel Digital Output Module
A 32-point 24 V DC output module with 0.5 A high-side channels, individual protection and four diagnostic groups.
Product Profile
ABB DO524, article 1SAP240700R0001, provides 32 transistor outputs for 24 V DC loads. Each channel is rated at 0.5 A and protected against short circuit and overload, while front LEDs divide error indication into four diagnostic groups.
Technical Data
| Manufacturer | ABB |
|---|---|
| Article Number | 1SAP240700R0001 |
| Product Family | AC500 S500 |
| Output Count | 32 transistor outputs |
| Nominal Output Voltage | 24 V DC |
| Rated Output Current | 0.5 A per channel |
| Maximum Total Output Current | 8 A |
| Maximum Current O0–O15 | 4 A |
| Maximum Current O16–O31 | 4 A |
| Protection | Short-circuit and overload protected |
| Overload Reporting | Detected above 0.7 A after approximately 100 ms |
| Process Supply | 24 V DC |
| Terminal Units | TU515 or TU516 |
| I/O-Bus Current | Approximately 2 mA |
| Maximum Unloaded Dissipation | 6 W |
| Product Lifecycle | Active |
System Role
- Switches 32 low-voltage DC loads from one S500 station position.
- Uses intelligent high-side output stages with individual short-circuit protection.
- Reports channel state through 32 yellow LEDs and grouped faults through four red indicators.
- Separates the output module from the station logic through module-wise galvanic isolation.
- Maintains an eight-ampere documented total load boundary across all outputs.
Compatibility
- Requires ABB TU515 or TU516 terminal units in a supported AC500 S500 station.
- The 24 V process supply and its 10 A fast protection must be coordinated with the installed load.
- Channel loading must respect the 4 A limits for O0–O15 and O16–O31 as well as the 8 A total.
- The standard DO524 and DO524-XC environmental version are separate articles.
- Inductive and lamp loads must remain within the switching limits documented by ABB.
Applications
- Dense solenoid and relay control in machine automation.
- Packaging and material-handling panels requiring many 24 V DC outputs.
- Control stations where grouped fault indicators support service diagnosis.
- Replacement of an active DO524 while retaining TU515 or TU516 termination.
- Applications that benefit from automatic output reactivation after cleared overload conditions.
FAQ
How many outputs does DO524 provide?
The module provides 32 transistor outputs for 24 V DC loads.
What is the rated current per channel?
Each output is rated at 0.5 A within the documented group and total-current limits.
What is the maximum current for all outputs together?
ABB specifies a maximum total output current of 8 A.
Are the outputs short-circuit protected?
Yes. Each digital output uses an intelligent high-side stage with short-circuit and overload protection.
Which terminal units fit DO524?
ABB identifies TU515 and TU516 as the required terminal units.
How does DO524 differ from DI524?
DO524 switches 32 output loads, while DI524 acquires 32 input signals and includes a fast-counter input pair.
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