- Product details
- Specifications
- Recommand
- Service & Policy
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SIEMENS · PRODUCT DETAILS
6ES7331-7KB02-0AB0
S7-300 SM 331 2AI Analog Input
Two universal analog channels acquire voltage, current, thermocouple and resistance signals for modular S7-300 control systems.
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PURCHASE PROFILE
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02 · TECHNICAL PROFILE
Communication links and operating assurance
↔ Communication & Connectivity
Field and system data exchange
| System interface |
S7-300 backplane bus |
| Front connection |
20-pin connector |
| Configuration |
STEP 7 hardware configuration |
| Hot handling |
Active backplane support |
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✓ Safety & Compliance
Isolation, diagnostics and lifecycle
| Signal isolation |
Isolated analog inputs |
| Diagnostics |
Integrated diagnostic functions |
| RoHS status |
Compliant since 31 Mar 2008 |
| Lifecycle |
Phase-out announced |
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Official technical data
| Analog inputs2 |
Resolution9 / 12 / 14 bit |
Signal typesU, I, TC, resistance |
| Alarm functionSupported |
Connector1 x 20-pole |
Country of originGermany |
03 · BRAND & APPLICATION
Reliable integration across established automation systems
◆ Siemens brand characteristics
Engineering consistency and lifecycle support
| 01 |
Universal measurement ranges reduce module variety. |
| 02 |
Integrated alarms support responsive process supervision. |
| 03 |
S7-300 engineering consistency aids maintenance. |
| 04 |
Documented signal handling supports reliable replacement. |
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◎ Application fields
Industrial integration and service scenarios
| 01 |
Temperature and resistance measurement. |
| 02 |
Process voltage and current acquisition. |
| 03 |
Machine and test-bench instrumentation. |
| 04 |
S7-300 modernization and service. |
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04 · SERVICE & POLICY
Clear process and independent supply notice
| Q Quote
Confirm the complete order code, quantity, condition, destination, price and lead time.
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D Dispatch
Pack the confirmed goods, prepare delivery documents and arrange shipment after order review.
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Disclaimer
Independent supply notice
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