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6ES7326-1RF00-0AB0 Siemens
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6ES7326-1RF00-0AB0 Siemens

$904.75 - $1,689.50
$1,689.50
$904.75 - $1,689.50
$1,689.50
Surplus - Tested (With Warranty)
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$1,689.50
5 in stock
New / Open-Box Surplus
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$904.75
2 in stock
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Product Details

Description · Specifications · Product Overview

Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.

Product Overview

The Siemens 6ES7326-1RF00-0AB0 is a SIMATIC S7-300 SM 326 digital input module with 8 NAMUR channels, designed for safety-integrated (fail-safe) applications in S7 F-systems. It processes 24 V DC NAMUR signals for functional safety up to Category 4 (EN 954-1), SIL 3 (IEC 61508) and PLe (ISO 13849). It installs into a 40-pole connector slot and is commonly used in machine safety, hazardous-area signal isolation, and fault-tolerant control loops. 6ES7326-1RF00-0AB0 integrates diagnostics and Ex(i) support.

Best Suited For

  • Safety-integrated SIMATIC S7 F-system installations
  • NAMUR sensor monitoring in hazardous areas
  • High-safety category applications (Cat. 4 / SIL 3 / PLe)
  • Diagnostics-enabled safety loop monitoring
Digital inputs
8 NAMUR channels
Supply voltage
24 V DC
Safety level
Cat. 4 / SIL 3 / PLe
Power loss
≈ 4.5 W
Maximum input current
160 mA (L+), 90 mA (5 V bus)

Technical Specifications

I/O & Electrical

Input voltage (rated)
24 V DC
Reverse-polarity protection
Yes
Input current no load (L+)
max. 160 mA
Input current backplane bus (5 V)
max. 90 mA
Sensor supply outputs
8 × 8.2 V DC
Power loss
typ. 4.5 W
NAMUR input current
0: 0.35-1.2 mA; 1: 2.1-7 mA
Input delay (0→1 / 1→0)
max. 1.2-3 ms
Cable length (shielded)
max. 200 m
Cable length (unshielded)
max. 100 m

Physical & Environmental

Dimensions (W×H×D)
80 mm × 125 mm × 120 mm
Weight
≈ 482 g
Ambient temperature (operating)
max. 60 °C
Connector
40-pole front connector
Isolation tested
500 V DC
Ex(i) characteristics (IIC)
Uo max 10 V; Io max 13.9 mA; Po max 33.1 mW; Co max 3 µF; Lo max 80 mH; Um 60 V DC / 30 V AC

Certifications

Cat. 4SIL 3PLeATEXTÜVABSBVDNVEAC

Failsafe standards: EN 954-1 Cat. 4; SIL 2 (single-channel), SIL 3 (two-channel) per IEC 61508; Performance Level e (PLe) per ISO 13849-1. ATEX certificate 99 ATEX 2671 X. Approvals include EU-Declaration of Conformity, China RoHS, EAC, TÜV, maritime approvals (ABS, BV, DNV, NK, PRS, RMRS, CCS).

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Rockwell Automation documentation

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