Siemens SIMATIC S7, Analog input SM 336, 6 AI; 15 bit; fail-safe analog inputs for SIMATIC Safety, with HART support Part number 6ES7336-4GE00-0AB0

Product Overview

The Siemens SIMATIC S7 SM 336 analogue input module (SKU: 6ES7336-4GE00-0AB0) is a fail-safe 6-channel current-input module with 15-bit resolution, HART communication support, and rated for use in safety applications up to Category 4 / SIL 3 / PLe.

Key Features

• 6 current inputs (0 … 20 mA / 4 … 20 mA) with input resistance approx. 150 Ω
• High-resolution data (15-bit + sign) and high accuracy: 0.1 % basic error limit @ 25 °C, 0.2 % over full temperature range
• Fail-safe capability: diagnostics and error signalling (SF/RED), potential-separated channels, backplane and power supply isolation
• HART communication support and two-wire transmitter connection possible
• Compact design: 40 mm width, 125 mm height, 120 mm depth; weight approx. 350 g

Technical Specifications

• Product Type: SIMATIC S7 SM 336 analogue input module
• Article Number: 6ES7336-4GE00-0AB0
• Supply Voltage: 24 V DC (+, L+ reverse polarity protected)
• Typical Load Current: from supply L+ approx. 150 mA; from 5 V backplane bus max. 90 mA
• Channels: 6 analogue inputs, current, resistance ≤150 Ω
• Input Ranges: 0 … 20 mA and 4 … 20 mA
• Conversion Time / Resolution: 20 ms @ 50 Hz (16.7 ms @ 60 Hz); resolution max 15-bit + sign
• Operational Error Limit: ±0.2 % of full range (over ambient temperature)
• Basic Error Limit: ±0.1 % of full range @ 25 °C
• Diagnostics: Fail-safe logic, group error, channel diagnostics, HART support
• Isolation: Channels among themselves, to electronics power supply and backplane bus
• Dimensions (W × H × D): 40 mm × 125 mm × 120 mm
• Net Weight (approx.): 350 g

Compliance & Certifications

• Safety rated to EN 954-1 Category 4, ISO 13849-1 PLe, IEC 61508 SIL 3
• Designed for use in industrial automation systems requiring high integrity and diagnostics

Applications

Ideal for fail-safe analogue signal acquisition in automation systems, process control and machine safety applications. The module’s high resolution, current input design, and HART support make it suitable for safety-related systems where exact measurements and diagnostics are needed.