SIMATIC S7-300 6ES7326 1BK02 0AB0

The SIMATIC S7-300 6ES7326-1BK02-0AB0 is a robust, versatile module designed for advanced automation applications. Compact with dimensions of 80 x 125 x 120 mm, this unit is lightweight at 442 grams and ideal for space-sensitive installations via its DIN-rail mounting. Operating on a 24V DC voltage with a 450 mA rated current and 400 mA output, it is engineered for reliable performance. Featuring IP20-level protection, it ensures safety against solid particle ingress. With a 40-pin connection method and isolation capability of up to 500 V DC/350 V AC, it guarantees steady operation across various systems. It maintains optimal performance in harsh conditions, with an operating temperature range between -20C and +60C and tolerates up to 95% humidity. Designed with efficiency in mind, it offers a power loss of just 10W, making it a reliable and energy-efficient choice for modern automation environments. 

SIMATIC S7 SM 326 Digital Input Module (Fail-Safe)

Model: 6ES7326-1BK02-0AB0

• Type: F-DI 24x24 V DC, Fail-safe digital input

• System: SIMATIC S7 F-systems

• Safety: Diagnostic alarm, up to Cat. 4 (EN 954-1) / SIL3 (IEC61508) / PLE (ISO13849)

• Connector: 1x 40-pin

Supply Voltage

• Rated: 24 V DC

• Reverse polarity protection: Yes

Input Current

• From load voltage L+ (no load): Max. 450 mA

• From backplane bus 5 V DC: Max. 100 mA

Encoder Supply

• Number of outputs: 4 (isolated)

• Output current: Rated 400 mA

Power Loss

• Typical: 10 W

Digital Inputs

• Number of inputs: 24

• Simultaneously controllable inputs:

  • Up to 40C: 24

  • Up to 60C: 24 (at 24 V) / 18 (at 28.8 V)

• Input voltage: 24 V DC

  • Signal 0: -30 to +5 V

  • Signal 1: +11 to +30 V

• Input current:

  • Signal 0: Max. 2 mA

  • Signal 1: Typ. 10 mA

• Input delay: 0 1 / 1 0: Max. 3.4 ms

• Cable length:

  • Shielded: Max. 200 m

  • Unshielded: Max. 100 m

Encoder Support

• 2-wire sensors supported (if short-circuit test disabled)

• Max quiescent current for 2-wire sensor: 2 mA

Diagnostics & Alarms

• Diagnostic alarm: Yes

• Diagnostic information readable: Yes

• LEDs: Fail-safe operation, Group error SF (red)

Potential Separation & Isolation

• Between channels: Yes

• Between channels in groups of 12: Yes

• Between channels and backplane bus: Yes

• Isolation tested: 500 V DC / 350 V AC

Safety & Standards

• Highest safety class: DIN VDE 0801 AK 6

• Category: EN 954 Cat. 4

• Performance Level: ISO 13849-1 e

• SIL: IEC 61508 SIL 3

Connection

• Front connector: 40-pin

Dimensions & Weight

• Width: 80 mm

• Height: 125 mm

• Depth: 120 mm

• Weight: 442 g

Technical Details 

FAQs of SIMATIC S7-300 6ES7326 1BK02 0AB0: