ABBAC500-S DIGITAL OUTPUT

8-Channel 24 V DC / 2 A Digital Output Module

ABB DO526 1SAP240800R0001 8-Channel 24 V DC / 2 A Digital Output Module

Product Profile

ABB DO526 1SAP240800R0001 is an eight-channel transistor digital output module for the AC500 I/O platform. It switches 24 V DC field loads at up to 2 A per channel and divides the outputs into two groups of four.

Each ABB DO526 1SAP240800R0001 group uses its documented process-supply connection and provides electronic protection and status indication. The external field supply delivers the load current, while the module controls and supervises the output switching path.

ABB DO526 1SAP240800R0001 can be mounted horizontally or vertically, but the permissible grouped load changes with the installation condition and ambient temperature. Commissioning therefore proves group supply, polarity, load current and channel indication together.

Performance Specifications

Technical item
Brand	ABB
Model	DO526 1SAP240800R0001
Product Name	8-channel 24 V DC / 2 A digital output module
Country	Switzerland
Output Channels	8 transistor outputs
Channel Groups	Two groups of four
Rated Output Voltage	24 V DC
Maximum Channel Current	2 A
Maximum Group Current	8 A
Field Wiring	1-wire
Process Supplies	UP, UP3 and UP4 as documented
Protection	Reverse-voltage protection and electronic output protection
Status Indication	One LED per channel
Isolation	Module and output-group galvanic separation
Power Loss	6 W maximum
Cable Length	1000 m shielded; 600 m unshielded
Mounting	Horizontal or vertical; observe load derating
Weight	Approx. 135 g

Product Functions

ABB DO526 1SAP240800R0001 converts eight controller commands into protected 24 V DC field outputs organized as two independently supplied groups. The functional design combines command switching, group-level field-power distribution and electronic protection, so a valid output is more than a software bit changing state.

Group switching

Four channels share each output group, allowing field-load distribution to be planned around the available group current. Allocate loads across the two four-channel groups and retain enough group-current margin for simultaneous operation and device inrush.

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Channel supervision

LED indication and electronic output behavior help distinguish an inactive command from a field-side overload or supply problem. Use the channel indication as a diagnostic clue, then measure terminal voltage and load current to prove that the commanded energy reached the field device.

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Field power handoff

The process supplies feed the loads; the module switches the current and maintains the documented isolation boundaries. Keep control logic and process power conceptually separate: the PLC issues the command while the documented UP supply path delivers load current.

Diagnostics and Protection

ABB DO526 1SAP240800R0001

ABB DO526 1SAP240800R0001 fault checks begin at group supply and polarity, then move to channel current and the connected load. Diagnostics should use the four-channel grouping to narrow the search and protect unaffected circuits while overload, wiring and load behavior are evaluated.

Read the fault pattern

Several failed points in one group suggest its supply or common before individual transistor channels are suspected. A four-point failure pattern is investigated at the shared supply and common before any individual transistor output is replaced.

Check overload conditions

Compare actual current and inrush with the 2 A channel and 8 A group limits, including installation derating. Compare measured steady and inrush current with both channel and group limits, including the derating that follows orientation and ambient temperature.

Verify after recovery

After removing the overload, command the output off and on under the real load while confirming LED state and terminal voltage. After the fault is removed, cycle the real load under observation and confirm voltage, indication and controller status without bypassing field protection.

Technical Questions

01Four ABB DO526 1SAP240800R0001 outputs are inactive—what common points should be checked?

On ABB DO526 1SAP240800R0001, four related outputs share a group; check that group process supply, protection and common first.

02Can every ABB DO526 1SAP240800R0001 channel carry 2 A simultaneously?

ABB DO526 1SAP240800R0001 is limited by both 2 A per channel and 8 A per group, with additional derating for mounting and temperature.

03What does the ABB DO526 1SAP240800R0001 LED prove?

The ABB DO526 1SAP240800R0001 channel LED helps show output status, but the actual field voltage and load current still need measurement.

04How long can ABB DO526 1SAP240800R0001 field cables be?

ABB DO526 1SAP240800R0001 documents up to 1000 m shielded or 600 m unshielded cable under the stated conditions.

05Can ABB DO526 1SAP240800R0001 be wired while energized?

Wire ABB DO526 1SAP240800R0001 only under the approved isolated procedure so process supplies and loads cannot be shorted during termination.

06Which ABB DO526 1SAP240800R0001 records should travel with a replacement request?

Record the complete ABB DO526 1SAP240800R0001 article, group supplies, channel loads, mounting orientation and controller mapping.

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Product Name	ABB DO526 1SAP240800R0001 8-Channel 24 V DC / 2 A Digital Output Module
Item NO.	2929217
Weight	0.1 kg = 0.2205 lb = 3.5274 oz
Category	ABB
Brand	ABB
Creation Time	2026-11-02

ABB DO526 1SAP240800R0001 8-Channel 24 V DC / 2 A Digital Output Module Item NO.: 2929217

ABB DO526 1SAP240800R0001 8-Channel 24 V DC / 2 A Digital Output Module

Product Profile

Performance Specifications

Product Functions

Group switching

Channel supervision

Field power handoff

Diagnostics and Protection

Diagnostics and Protection

Read the fault pattern

Check overload conditions

Verify after recovery

Technical Questions

Advantageous Brands

Moore Automation

Compatible Products

Request a Quote

Moore Automation

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