Siemens 6ES7522-1BF00-0AB0: High-Performance Digital Output Module

This is a SIMATIC S7-1500 series module. It gives you 8 strong digital outputs. It is fast, smart, and built for tough jobs. Perfect for controlling valves, motors, and lights in your factory.

Complete Technical Specifications

Article Number: 6ES7522-1BF00-0AB0

Product Type: SIMATIC S7-1500, Digital Output Module DQ 8x24VDC/2A HF

Module Width: 35 mm

Output Details:

Number of Channels: 8 Digital Outputs

Output Type: Transistor, Sourcing (PNP)

Rated Load Voltage: 24 V DC

Current per Channel: 2 A (Maximum 2.4 A)

Current per Group (8 channels): 8 A Maximum

Switching Speed:

Switching Delay ("0" to "1"): 100 µs maximum

Switching Delay ("1" to "0"): 500 µs maximum

Maximum Switching Frequency: 100 Hz (Resistive Load)

Pulse Width Modulation (PWM):

Available on 2 channels (with firmware V2.1.0+)

PWM Frequency: Up to 500 Hz

Duty Cycle Resolution: 0.1%

Electrical Connections:

Supply Voltage: 24 V DC (19.2 V - 28.8 V range)

Reverse Polarity Protection: Yes

Power Loss: Typical 5.6 W

Protection & Diagnostics:

Short-Circuit Protection: Yes, per channel (~3 A response)

Diagnostic Alarms: For supply voltage, short circuit, group error.

Status LEDs: RUN, ERROR, MAINT, PWR, and per-channel LEDs.

Safety Integration:

Suitable for Safety-Related Shutdown: Yes (Up to SIL 2 / PL d / Cat. 3)

Environmental Conditions:

Operating Temperature: 0°C to 60°C

Installation Altitude: Up to 5000 m (with derating above 2000m)

Physical Data:

Dimensions (W x H x D): 35 mm x 147 mm x 129 mm

Weight: Approximately 240 g

Required Accessory: Front connector (screw-type or push-in) must be ordered separately.

Frequently Asked Questions

Q: Can I use this module to control a small motor directly?

A: Yes, you can. Each output can handle up to 2A at 24V DC, which is suitable for small DC motors, solenoids, or indicator lamps. Always check your device's current requirement first.

Q: What does "HF" in the module name mean?

A: "HF" stands for "High Feature." It means this module has advanced functions like detailed diagnostics, substitute value insertion, and support for PWM and isochronous mode operation.

Q: How do I connect the wires to this 6ES7522 module?

A: You need to buy a matching front connector separately (e.g., screw terminal type). The module itself has a removable terminal block. You wire your field devices (like relays) to this connector, which then plugs into the module.

Q: Can two outputs be used together for one device needing more current?

A: No, for increasing current (uprating), parallel connection is not supported. However, two outputs can be switched in parallel for redundant control of a single load for safety reasons.

Q: What is the benefit of the PWM function?

A: PWM lets you control the average power to a device. For example, you can use it to dim an LED light, control the speed of a fan, or adjust the heat of a heating element precisely from your PLC program.

Package Contents & Notes

1 x Siemens 6ES7522-1BF00-0AB0 Digital Output Module.

Note: The front connector is not included and must be purchased separately.

Shipping & Warranty Information

Fast Global Delivery: We ship directly using reliable carriers like FedEx, UPS, and DHL.

Quality Assurance: This product is covered by a full 12-month warranty from the date of purchase.

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