Siemens 6ES7 331-7TF01-0AB0 SIMATIC S7-300 Series Analogue Module
"*" indicates required fields
Siemens 6ES7 331‑7TF01‑0AB0 SIMATIC S7‑300 Analogue Input Module
Product Overview
Main Functions
- Multi‑type Thermal and Analogue Signal Acquisition
Supports thermocouple, RTD, voltage and current inputs to collect temperature, pressure, flow and other process variables.
- High‑precision Analogue‑to‑Digital Conversion
Provides high‑resolution signal conversion to ensure stable and accurate measurement results for industrial control systems.
- Galvanic Isolation Protection
Electrically isolates field‑side signals from the PLC internal bus to eliminate interference caused by ground potential differences and electromagnetic noise.
- Channel‑level Fault Diagnostics
Monitors open‑circuit, short‑circuit, over‑range and under‑range conditions for each individual channel, reporting faults to the CPU for maintenance alerts.
- Flexible Parameter Configuration
Measurement type, range, integration time and filtering can be set independently per channel via STEP 7 programming software.
- Modular Backplane Bus Connection
Directly plugs into the S7‑300 U‑rail backplane bus for quick installation and flexible expansion of analogue input points.
Technical Characteristics
- Compact modular design for standard U‑rail mounting inside industrial control cabinets.
- Excellent electromagnetic compatibility for stable operation in harsh industrial environments.
- Independent channel configuration allows mixed use of thermocouple, RTD, voltage and current signals on one module.
- Low power consumption and wide temperature tolerance for long‑term continuous 24‑hour operation.
- Full compatibility with all S7‑300 CPU units and expansion modules.
- Rugged mechanical structure with vibration and shock resistance suitable for factory applications.
Technical Specifications
| Item | Specification |
|---|---|
| Model Number | 6ES7 331‑7TF01‑0AB0 |
| Module Type | 8‑channel analogue input module |
| Supported Inputs | Thermocouple, RTD, Voltage, Current |
| Resolution | 16‑bit |
| Galvanic Isolation | Yes, between field side and backplane bus |
| Diagnostics | Open‑circuit, short‑circuit, over‑range, under‑range per channel |
| Protection Class | IP20 |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | −40 °C to +85 °C |
| Compatible System | SIMATIC S7‑300 PLC series |
| Programming Software | STEP 7 |
| Mounting Type | Standard U‑rail backplane bus mounting |
Product Dimensions and Weight
Overall Dimensions (Width × Height × Depth)
- Module Size: 40 mm × 130 mm × 130 mm
Weight
- Net Weight: Approximately 0.23 kg
- Gross Weight (with standard packaging): Approximately 0.28 kg
About us
