Product Overview

SIMATIC S7-1500 Digital Output Module – DQ 32×24 V DC/0.5 A HF (6ES7522-1BL01-0AB0)
A high-efficiency digital output module offering 32 transistor outputs (grouped in 8), each capable of 0.5 A, with a group max of 4 A. Features include single-channel diagnostics, substitute value, switching cycle counter for actuators, and safety shutdown up to SIL 2 / Performance Level d. Front connector must be ordered separately.
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Technical Specifications
Attribute Details
Channels 32 digital outputs in 4 groups of 8
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Output Voltage 24 V DC
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Current per Channel 0.5 A
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Max Current per Group 4 A
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Diagnostics Single-channel diagnostics
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Substitute Value Configurable per channel
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Switching Cycle Counter Tracks actuator operations per channel
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Safety Shutdown Support SIL 2 (EN IEC 62061), PL d / Category 3 (EN ISO 13849-1)
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Power from Backplane Approx. 1.1 W
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Power Loss Typ. 3.5 W
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Isolation Between channel groups and to backplane; tested at 707 V DC
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Load Switching Frequency Resistive: max 100 Hz; Inductive: max 0.5 Hz; Lamp load: max 10 Hz
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Output Delays “0”→”1″: max 100 µs; “1”→”0″: max 500 µs
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Dimensions (W × H × D) 35 mm × 147 mm × 129 mm
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Weight Approx. 0.280 kg
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Product Lifecycle & Ordering Info

Lifecycle Status: Active (PLM: PM300)
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Lead Time: Approximately 1 day ex-works
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Net Weight: ~0.321 kg (module only)
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Packaging Dimensions: 15.10 × 15.40 × 4.70 cm
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Export Control: AL: N / ECCN: 9N9999
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Engineering Insight

High-Density Output Control
With 32 channels in a compact module, it supports dense configurations within limited space while providing per-channel output diagnostics.

Robust Safety & Reliability
Safety shutdowns up to SIL 2 and PL d ensure secure fail-safe operations, ideal for critical industrial applications.

Operational Monitoring
The switching cycle counter enables predictive maintenance by tracking actuator usage, enhancing uptime and reliability.

Performance-Driven Design
Short response delays and support for rapid switching ensure real-time responsiveness in dynamic systems.

Efficient Power Management
Low backplane draw (~1.1 W) with moderate power loss (~3.5 W) ensures efficient integration into existing architectures.