The 6ES7326-1BK01-0AB0 is the SM 326 fail-safe digital input module (F-DI 24×DC 24 V) in the SIMATIC S7-300 series. This module provides 24 fail-safe input channels for SIL3/Cat.4/PLe-rated safety circuits. It can be seamlessly integrated with S7-F/FH systems or S7 Distributed Safety systems for reading signals from safety sensors such as emergency stops, safety doors, and light curtains. It supports redundancy and discrepancy monitoring, built-in diagnostic interrupts, and channel-level short-circuit/wire-break detection.
Product Status
Original New // Ready in Stock // Same Days Shipping
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Product info
Part Number: 6ES7326-1BK01-0AB0
Brand/ Manufacturer: SIEMENS
Product Description: SIMATIC S7 Digital Input Module
Condition: In stock
Country of Origin: Germany
Shipping port: Xiamen, China
Warranty: 12 months
Number of channels: 24 fail-safe digital inputs
Input voltage: 24 V DC (-30% to +20%, including ripple)
Signal 0: -30 V to +5 V
Signal 1: +11 V to +30 V
Input current per channel: Typical 10 mA (Signal 1)
Permitted quiescent current for 2-wire sensors: ≤ 2 mA
Input delay: Typical 3.4 ms (parameterizable: 0.5 ms to 20 ms)
Cable length: Shielded: ≤ 200 m; Unshielded: ≤ 100 m
Diagnostic functions: Short circuit, wire break, discrepancy, external power supply failure
Diagnostic interrupt: Supported
Safety level: SIL 3 (IEC 61508), Category 4 (EN 954-1), PL e (ISO 13849-1)
Insulation test: 500 V DC / 350 V AC
Internal power consumption: Typical 10 W
Load supply L+ current: Maximum 450 mA (no load)
Backplane bus current: Max. 100 mA (5 V DC)
Mounting method: DIN rail (S7-300 rack or ET 200M)
Protection degree: IP20
Operating temperature: 0 to +60°C (horizontally mounted)
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