Siemens 6ES7336-4GE00-0AB0 SM 336 fail-safe HART analog input module

The Siemens 6ES7336-4GE00-0AB0 SM 336 fail-safe HART analog input module is a fail-safe six-channel HART analog input module.

System function

Rebuilt from individual evidence

System position

Evidence and limits

6ES7336-4GE00-0AB0 is identified in the source as a SIMATIC S7 SM 336 fail-safe analog input module with six 15-bit current inputs and HART support.

Receives 0/4-20 mA HART process signals for fail-safe analog value acquisition.

System position: in a SIMATIC S7-300 or distributed I/O station safety I/O rack between transmitters and the fail-safe CPU.

Unknown: the installed transmitter parameters, HART configuration, wiring, calibration, and physical condition are not established by the source.

Exact reference: 6ES7336-4GE00-0AB0
Category: PLC / CPU
Evidence checked: 2026-09-12

System role

This section explains what the product does and where it acts in the surrounding system.

Function: Receives 0/4-20 mA HART process signals for fail-safe analog value acquisition.
System position: Sits in a SIMATIC S7-300 or distributed I/O station safety I/O rack between transmitters and the fail-safe CPU.
Upstream / inputs: Two-wire or four-wire process transmitters provide current signals to the SM 336.
Downstream / outputs: The fail-safe CPU receives converted analog process values and diagnostics.
Limitations: Unknown: the installed transmitter parameters, HART configuration, wiring, calibration, and physical condition are not established by the source.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

The source identifies 6ES7336-4GE00-0AB0 as a SIMATIC S7 SM 336 fail-safe analog input module with six 15-bit current inputs and HART support.
Confidence: high
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
The source documents that 6ES7336-4GE00-0AB0 receives 0/4-20 mA HART process signals for fail-safe analog value acquisition.
Confidence: high
- support.industry.siemens.com — retrieved 2026-09-12; high confidence

Inferences

Inference: 6ES7336-4GE00-0AB0 occupies this system position: in a SIMATIC S7-300 or distributed I/O station safety I/O rack between transmitters and the fail-safe CPU.
Confidence: medium
Rationale: The source identifies the exact reference and documents its interfaces or rack relationship.
- support.industry.siemens.com — retrieved 2026-09-12; high confidence

Unknowns

Unknown: the installed transmitter parameters, HART configuration, wiring, calibration, and physical condition are not established by the source.
Confidence: low
Missing evidence: The source describes the product design, not the installed unit, configuration or physical condition.

System position diagram

A system path places 6ES7336-4GE00-0AB0 between an upstream system and a downstream system. — The source-supported position of 6ES7336-4GE00-0AB0 connects the upstream system to the downstream system.

View Mermaid source

flowchart LR
  upstream["Upstream system"] --> product["6ES7336-4GE00-0AB0"]
  product --> downstream["Downstream system"]

View diagram labels

Nodes: Upstream system; 6ES7336-4GE00-0AB0; Downstream system
Edges: Documented signal or power path; System connection

Next action

The evidence supports a concrete system role for 6ES7336-4GE00-0AB0.

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