Siemens SIMATIC 6ES7526-2BF00-0AB0 F-DQ 8x24VDC/2A PPM Safety Module

Overview

Siemens · SIMATIC S7-1500 / ET 200MP

6ES7526-2BF00-0AB0 F-DQ 8x24VDC/2A PPM Fail-Safe Digital Output Module

Siemens 6ES7526-2BF00-0AB0 is the SIMATIC F-DQ 8x24VDC/2A PPM fail-safe digital output module for S7-1500 and ET 200MP systems. It provides eight PPM transistor outputs and supports safety applications up to PL e and SIL 3. The module is engineered with the applicable STEP 7 Safety environment and PROFIsafe parameters. Load current, switching frequency, wiring length, installation orientation, F-parameters and the safety validation record must be checked before commissioning.

At a Glance

Brand	Siemens
Model	6ES7526-2BF00-0AB0
Product Type	Fail-Safe Digital Output Module
Core Function	Switches eight safety-related 24 V DC actuator circuits with PPM outputs
Application or Compatible Series	SIMATIC S7-1500 F-CPU central racks and ET 200MP distributed I/O

Safety Architecture

Use only with an approved F-CPU and validated PROFIsafe project that meets the required PL or SIL target.

Load and Wiring

Match every actuator to the PPM output principle, permitted current, cable length and switching-frequency limits.

Commissioning Record

Preserve the F-address, safety parameters, signature, proof-test plan and acceptance documentation.

Product Overview

Siemens 6ES7526-2BF00-0AB0 is the SIMATIC F-DQ 8x24VDC/2A PPM fail-safe digital output module for S7-1500 and ET 200MP systems. It provides eight PPM transistor outputs and supports safety applications up to PL e and SIL 3. The module is engineered with the applicable STEP 7 Safety environment and PROFIsafe parameters. Load current, switching frequency, wiring length, installation orientation, F-parameters and the safety validation record must be checked before commissioning.

Eight 24 V DC PPM transistor channels switch safety-related actuators with channel diagnostics. The module is rated for applications up to Performance Level e and Safety Integrity Level 3. It can operate centrally with an S7-1500 F-CPU or in an ET 200MP station controlled by an S7 F-CPU.

Ordering focus: confirm the complete BF00 article number, compatible F-CPU or ET 200MP station, TIA Portal Safety environment, PROFIsafe address and parameters, actuator current and PPM wiring, cable length, mounting orientation and validated PL e or SIL 3 safety function before ordering.

Key Functions

Eight Fail-Safe Outputs

Eight 24 V DC PPM transistor channels switch safety-related actuators with channel diagnostics.

High Safety Capability

The module is rated for applications up to Performance Level e and Safety Integrity Level 3.

Central or Distributed Use

It can operate centrally with an S7-1500 F-CPU or in an ET 200MP station controlled by an S7 F-CPU.

Official Specifications

Engineering Baseline	TIA Portal V13 SP1 with HSP 0086 or a later supported release
Supply Voltage	24 V DC; permissible range 19.2 to 28.8 V
No-Load Current	110 mA rated; 130 mA maximum
Backplane-Bus Power Consumption	0.8 W
Typical Power Loss	11 W
Process Data Address Space	6 bytes inputs and 6 bytes outputs; 5 bytes each with S7-300/400 F-CPU
Digital Output Count	8
Output Principle	PPM current-source and current-sink switching
Maximum Resistive Load Current	2 A per channel
Maximum Lamp Load	10 W
Permitted Load Resistance	12 to 2,000 ohms
Maximum Switching Frequency	30 Hz resistive; 0.1 Hz inductive; 10 Hz lamp load
Maximum Module Current	16 A horizontal to 40 °C; 8 A horizontal to 60 °C or vertical to 40 °C
Maximum Field Cable Length	1,000 m shielded; 500 m unshielded
Isolation Test Voltage	707 V DC
Functional Safety Rating	PL e according to ISO 13849-1; SIL 3 according to IEC 61508
Operating Temperature	0 to 60 °C horizontal; 0 to 40 °C vertical
Dimensions	35 x 147 x 129 mm
Approximate Weight	300 g
Channel Diagnostics	Wire break, short circuit, missing supply voltage and group error

Official source:Siemens official technical data for 6ES7526-2BF00-0AB0.

Frequently Asked Questions

Which controllers can operate 6ES7526-2BF00-0AB0?

Use a compatible S7 F-CPU in a central S7-1500 rack or through an ET 200MP distributed station.

What safety level can 6ES7526-2BF00-0AB0 support?

A correctly engineered and validated application can reach PL e and SIL 3.

How much current may one 6ES7526-2BF00-0AB0 output switch?

Each channel is rated for up to 2 A with a resistive load within the total module-current limit.

Which cable lengths are permitted for 6ES7526-2BF00-0AB0?

Use no more than 1,000 m of shielded cable or 500 m of unshielded cable.

Does the mounting orientation affect 6ES7526-2BF00-0AB0?

Horizontal installation permits operation to 60 °C, while vertical installation is limited to 40 °C.

Which faults can 6ES7526-2BF00-0AB0 diagnose?

Available channel and module diagnostics include wire break, short circuit, missing supply voltage and group error.

What should be retained before replacing 6ES7526-2BF00-0AB0?

Save the safety project, F-address, PROFIsafe parameters, safety signature, wiring record and validation evidence before removal.

Compatibility & Ordering Notes

Before ordering 6ES7526-2BF00-0AB0: confirm the complete BF00 article number, compatible F-CPU or ET 200MP station, TIA Portal Safety environment, PROFIsafe address and parameters, actuator current and PPM wiring, cable length, mounting orientation and validated PL e or SIL 3 safety function before ordering.

Compatibility Checklist

• Use only with a compatible Siemens F-CPU and approved safety engineering environment.
• Confirm whether the module is installed centrally or in an ET 200MP distributed station.
• Restore the exact F-address, PROFIsafe parameters and verified safety-program signature.
• Match every field load to the PPM switching principle, 24 V DC supply and 2 A channel limit.
• Keep total module current within the orientation- and temperature-dependent limit.
• Maintain the shielded or unshielded field-cable length limit and the approved wiring layout.
• Repeat the required safety validation and document the result before returning the machine to service.

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