SIMATIC S7-300 Analog Input Module AI 8x12-bit
Order Number: 6ES7331-7KF02-0AB0
Product Series: Siemens SIMATIC S7-300 PLC Series
Module Type: 8-channel Universal Analog Input Module
Core Specifications
| Specification |
Details |
| Module Width |
40 mm (S7-300 standard rack width) |
| Compatible System |
SIMATIC S7-300 PLC (S7-300 CPU/ET 200M distributed I/O) |
| Engineering Software |
STEP 7 V5.4 and above, TIA Portal V13 and above |
| Weight |
Approx. 0.3 kg (0.66 lb) |
Electrical Specifications
Supply Voltage: 24 V DC (20.4 V DC - 28.8 V DC operating range)
Supply Current: Typical 100 mA @ 24 V DC
Isolation Rating: Channel-to-backplane: 500 V AC; Channel-to-channel: 200 V AC
LED Indicators: Power (PWR), Module Fault (SF), Channel Diagnostic (DIAG)
Analog Input Specifications
| Parameter |
Specification |
| Input Channels |
8 AI (8 single-ended / 4 differential channels) |
| Input Resolution |
12-bit + sign (13-bit effective resolution) |
| Conversion Time |
250 μs per channel; 2 ms for 8 channels |
| Input Ranges |
Voltage: 0-10V, ±5V, ±2.5V, 0-5V, 0-1V Current: 0-20mA, 4-20mA |
| Accuracy |
±0.1% of full scale (voltage/current) |
| Input Impedance |
Voltage: ≥10 MΩ; Current: 250 Ω |
Mechanical Specifications
Mounting Method: 35 mm standard DIN rail mounting
Housing Material: Flame-retardant plastic (UL94 V-0) + metal mounting plate
Dimensions: 40 mm * 125 mm * 130 mm (1.57 in * 4.92 in * 5.12 in)
Protection Rating: IP20
Connection Type: Screw terminals (M3, for 0.5 mm² - 2.5 mm² cables)
Environmental Specifications
Operating Temperature: 0 °C to 60 °C (32 °F to 140 °F)
Storage Temperature: -40 °C to 70 °C (-40 °F to 158 °F)
Operating Humidity: 5% to 95% non-condensing
Vibration Resistance: 5 g (10-500 Hz)
Shock Resistance: 15 g (11 ms half-sine)
Certifications & Compliance
EMC Compliance: EN 55011 Class A, FCC Part 15 Class A, VCCI Class A
General Certifications: CE, UL, cUL, ATEX, IECEx, RoHS
Industry Standards: IEC 61131-2, IEC 60068-1
Key Features
- Software-configurable multi-range input for flexible application
- High precision 12-bit resolution with linearization
- Comprehensive diagnostic functions including open-wire/short-circuit detection
- Factory-calibrated with support for manual recalibration
- Hot swap capability in S7-300 rack
- Integrated signal conditioning and A/D conversion
- 4-channel grouped isolation for industrial noise immunity
- Real-time analog data transmission via backplane bus