SIMATIC S7-1200 Digital Input SM 1226 (6ES7226-6BA32-0XB0)

The SIMATIC S7-1200 SM 1226 is an advanced digital input module designed for reliable industrial automation.

Key Specifications:

• Rated Voltage: 24 V DC

• Rated Current: 155 mA

• Power Loss: 7 W

• Dimensions (L W H): 70 100 75 mm

• Weight: 250 g

• Operating Temperature: 0C to 55C

• Humidity Tolerance: Up to 95%

• Frequency: 50/60 Hz

• Mounting: DIN rail

• Protection Level: IP20

• Material: Durable plastic

Features:

• Compact and lightweight for easy DIN-rail installation

• High durability with IP20 protection

• Energy-efficient operation with minimal power loss

• Reliable performance in challenging temperature and humidity conditions

• Ideal for automation processes requiring dependable digital input

This module provides efficient, reliable, and precise digital input functionality for modern industrial automation systems.

SIMATIC S7-1200 SM 1226

• Product Code: 6ES7226-6BA32-0XB0
• Type: F-DI 16x24 V DC, PROFIsafe
• Overall Width: 70 mm
• Safety Ratings: Up to PL E (ISO 13849-1) / SIL3 (IEC 61508)

General Information

• Product Type: SM 1226, F-DI 16x24 V DC

• Supply Voltage: 24 V DC

• Permissible Range: 20.4 28.8 V DC

• NEC Class 2 Power Supply Required: No

• Backplane Bus Current: Max 155 mA

• From Load Voltage (without load): Max 130 mA

Digital Inputs

• Number of Inputs: 16 (1oo1) or 8 (1oo2)

• Configurable Pairs: Each pair a.x and b.x can be 1oo2 channel or 2 separate 1oo1 channels

• Simultaneously Controllable Inputs:

  • Horizontal: Max 16 (up to 55 C)

  • Vertical: Max 16 (up to 45 C)

• Input Voltage:

  • Signal "0": -30 V DC to +5 V DC

  • Signal "1": 15 V DC to 30 V DC

• Input Current:

  • Signal "0": Max 0.5 mA

  • Signal "1": Typ 5 mA

• Input Delay (parameterizable): 0.8 / 1.6 / 3.2 / 6.4 / 12.8 ms

• Max Cable Length: 200 m (shielded / unshielded depending on filter time)

Diagnostics & Status

• Input Status LED: Yes

Protection

• IP Rating: IP20

Safety & Reliability

• ISO 13849-1:

  • 1-channel: Cat. 3, PL d

  • 2-channel: Cat. 3/4, PL e

• SIL (IEC 61508):

  • Single-channel: SIL2

  • Two-channel: SIL3

• Probability of Failure:

  • PFDavg SIL2: < 5.00E-04

  • PFDavg SIL3: < 1.00E-05

  • PFH SIL2: < 1.00E-08 1/h

  • PFH SIL3: < 1.00E-10 1/h

Ambient Conditions

• Operation Temperature: 0 55 C

• Storage Temperature: -40 70 C

• Relative Humidity: Max 95 % (non-condensing)

• Air Pressure: 660 1,080 hPa

• Max Fall Height: 0.3 m (5x in packaging)

Mechanics / Material

• Front Material: Plastic

• Dimensions (W H D): 70 100 75 mm

• Weight: 250 g 

Technical Details 

FAQs of SIMATIC S7-1200, Digital input SM 1226, 6ES7226 6BA32 0XB0: