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6ES7331-7PF01-0AB0 Siemens
Original price
$1,124.75
-
Original price
$2,812.50
Original price
$1,124.75
$1,124.75
-
$2,812.50
Current price
$1,124.75
Trusted By
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The 6ES7331-7PF01-0AB0 is a SIMATIC S7-300 SM 331 analog input module designed for measurement of resistance and resistance temperature detectors (RTDs) in two-, three-, or four-wire configurations. It provides eight isolated analog input channels and integrates into S7-300 automation systems. Typically deployed in process monitoring and control applications requiring RTD input, such as temperature sensing in industrial environments.
Best Suited For
- Installation in SIMATIC S7-300 racks
- Measurement of Pt and Ni RTDs
- Two-, three-, or four-wire RTD sensors
- Process temperature control systems
Analog inputs
8 channels
RTD support
Pt100/Pt200/Pt500/Pt1000/Ni100/Ni120/Ni200/Ni500/Ni1000/Cu10
Supply voltage
24 V DC
Power loss
4.6 W
Resolution
16 bit (internal 24 bit Sigma-Delta)
Technical Specifications
I/O & Electrical
Supply voltage (L+ rated)
24 V DC
Reverse-polarity protection
Yes
Input current from L+, max (no load)
240 mA
Input current from backplane bus 5 V, max
100 mA
Power loss, typical
4.6 W
Permissible input voltage (destruction limit)
75 V; continuous 35 V, 75 V for max. 1 s (1:20 mark-to-space)
Resolution
16 bit (internally 24 bit)
Basic conversion time
up to 4 channels: 10 ms/module; 8 channels: 80 ms/module
Operational error limit (resistance)
±0.05 % of input range
Operational error limit (RTD)
±0.5 K
Cable length, shielded max.
200 m
Physical & Environmental
Dimensions (W×H×D)
40 mm × 125 mm × 120 mm
Weight, approx.
272 g
Isolation tested with
500 V DC
Certifications
EUUKULRCMATEXIECExABSDNVLRPRSRINA
Approvals per datasheet: EU & UK Declarations of Conformity, UL, RCM, ATEX, IECEx, maritime (ABS, DNV, LR, PRS, RINA).
