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6ES7331-7HF01-0AB0 Siemens
Original price
$599.97
-
Original price
$3,025.00
Original price
$599.97
$599.97
-
$3,025.00
Current price
$599.97
Trusted By
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The 6ES7331-7HF01-0AB0 is a SIMATIC S7-300 analog input module (SM 331, isolated, 8-channel, 14-bit resolution, ~52 µs per channel conversion). It converts multiple voltage and current signals for processing by an S7-300 PLC rack, offering diagnostics, voltage and current alarm functionality, and isochronous mode support. It is typically used in OEM machinery, process control panels, and retrofit I/O expansions in industrial automation systems. 6ES7331-7HF01-0AB0 enables precise analog signal integration into Siemens automation environments.
Best Suited For
- Multi-channel analog signal acquisition in S7-300 racks
- Applications requiring fast conversion (~0.052 ms/channel)
- Systems with mixed voltage/current analog sensors
- Diagnostics-enabled analog data monitoring
Channels
8 analog inputs
Resolution
14 bit
Conversion time
0.052 ms per channel (~52 µs)
Supply voltage
24 V DC (L+)
Technical Specifications
I/O & Electrical
Number of analog inputs
8
Voltage input destruction limit
20 V DC permanent; 75 V DC max 1 s (duty 1:20)
Current input destruction limit
40 mA
Supported input types
Voltage, Current
Input resistance (1 V-5 V)
100 kΩ
Communication & Power
Load voltage L+ rated value
24 V DC
Reverse-polarity protection
Yes
Input current from L+ (no load), max
50 mA
Input current from backplane 5 V, max
100 mA
Power loss, typ.
1.5 W
Physical & Environmental
Mounting
SIMATIC S7-300 rack module, 20-pole connector
Weight
0.289 kg
Width
40 mm (per IO comparison document)
Isolation
Electrical isolation to CPU and load voltage
