6ES7522-1BF00-0AB0 DQ 8x24VDC/2A HF Digital Output Module
Series: SIMATIC S7-1500 | Type: Digital Output Module | Part Number: 6ES7522-1BF00-0AB0
High-feature 8-channel digital output module for 24 V DC / 2 A per channel. Supports PWM (2 channels max. 500 Hz), safe load group shutdown up to SIL2 (EN IEC 62061) and Cat. 3 / PL d (EN ISO 13849-1). Ideal for high-availability automation tasks.
Key Technical Specifications
- Supply voltage: 24 V DC (19.2 V … 28.8 V) with reverse polarity protection (10 A per group)
- Outputs: 8 transistor outputs, current-sourcing, 2 A per channel (max. 2.4 A with derating)
- Group current: 8 A per group, module total 16 A
- Switching frequency: 100 Hz (resistive), 0.5 Hz (inductive), 500 Hz PWM
- Output delay: 80 µs (0→1 typ.), 300 µs (1→0 typ.)
- Short-circuit protection: typ. 3 A response threshold
- Power loss: typ. 5.6 W (6.8 W PWM mode)
- Cable length: shielded 1000 m, unshielded 600 m
- Diagnostics: supply voltage, short-circuit, group error via LEDs (RUN, ERROR, MAINT, PWR)
- Ambient temperature: 0 … 60 °C (operation), storage -40 … +70 °C
Technical Data in Detail
| Brand | Siemens |
| Model | 6ES7522-1BF00-0AB0 |
| Product family | SIMATIC S7-1500 |
| Module type | Digital Output Module (DQ 8x24VDC/2A HF) |
| FW version | V2.2.0 (upgradeable) |
| HW functional status | FS03 |
| I&M data | I&M0 to I&M3 |
| PWM outputs | 2 channels, max. 500 Hz, duty cycle 0.1% steps |
| Min. pulse duration | 300 µs |
| Load range | 12 Ω … 4 kΩ |
| Lamp load | max. 10 W |
| Parallel switching | Logic links & redundant control supported |
| Potential isolation | between channels and backplane (707 V DC test) |
Safety & Certification
- Safety function: Suitable for safe shutdown of load groups up to SIL2 (EN IEC 62061:2021) and Cat. 3 / PL d (EN ISO 13849-1:2015)
- Approvals: CE, UL, CSA, FM (according to manual)
- Diagnostics: Supply voltage monitoring, short-circuit, group error, channel status (LEDs)
- Alarms: Diagnostic alarm, maintenance interrupt
Installation & Commissioning
- Mounting: S7-1500 rail mounting (width 35 mm)
- Front connector: screw or push-in (order separately)
- Engineering: TIA Portal V13 SP1 or higher, STEP 7 V5.5 SP3, GSD V1.0/V5.1 (PROFIBUS), GSD V2.3 (PROFINET)
- Prioritized startup: Yes
- Firmware update: possible via online tool
Environmental & Mechanical
- Operating altitude: up to 5000 m (derating above 2000 m, see manual)
- Dimensions (W x H x D): 35 x 147 x 129 mm
- Weight: approx. 240 g
- Protection class: IP20
Typical Applications
- High-speed actuator control (valves, contactors)
- PWM-based heater or dimmer control (2 channels)
- Safe output groups for emergency stop circuits (SIL2/PL d)
- Redundant load control in safety-related systems
- Integration into distributed I/O via PROFIBUS/PROFINET
Diagnostics & Maintenance
- LED indicators: RUN (green), ERROR (red), MAINT (yellow), PWR (green), channel status (green), channel diagnostics (red)
- Diagnostic alarms via PROFIBUS/PROFINET
- Substitute value configuration for failsafe operation
- Integrated operating cycle counter
- Maintenance interrupt for predictive service
Compatibility & Interoperability
- Fully compatible with SIMATIC S7-1500 CPU family
- Works with ET 200MP distributed I/O systems
- Supports PROFIBUS DP and PROFINET IO (GSD files available)
- Can be used with third-party controllers via GSD (PROFINET)
Package Contents
- 1x DQ 8x24VDC/2A HF module (6ES7522-1BF00-0AB0)
- 1x product manual (digital download)
- 1x accessory set (labeling strips, shielding clips)
- Front connector not included (order separately)
Warranty & Shipping
- Warranty: 12 months from shipment date (defects in material/workmanship)
- Shipping: FedEx, UPS, DHL (global express, tracking included)
- Items are carefully tested before dispatch (technical verification)
FAQ – Quick Answers
- Can I use this module for PWM control? Yes, up to 2 channels with max. 500 Hz (FW V2.1.0+).
- Is the front connector included? No, it must be ordered separately (screw or push-in).
- What safety level does it support? SIL2 (IEC 62061) and Cat. 3 / PL d (ISO 13849-1).
- Can I connect inductive loads? Yes, but with external freewheeling diode; max. 0.5 Hz (or 500 Hz with external circuit).
- Does it support isochronous mode? No.
- How to update firmware? Via TIA Portal or STEP 7 (online update).
Why Buy From Oiltech Controls?
- Over 15 years of experience in industrial automation spare parts
- Global shipment support with FedEx, UPS, DHL
- Tested industrial surplus / refurbished options available
- 12-month warranty on all products
- Technical verification performed before shipment
- Support for obsolete control systems and legacy parts
Contact us: info@oiltechcontrols.com | +86 158 8020 0923 (WhatsApp)
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