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Product information
SIMATIC S7-300 analog input SM 331 isolated is provided as a spare part with 8 analog inputs for 2/3/4-wire resistor and Pt100/Pt1000 measurement types.
Detailed Parameters
Product family:SIMATIC S7-300
Module type:analog input SM 331, isolated
Channel count:8 AI
Wiring:2/3/4-wire
Sensor type:resistor, Pt100/200/1000 NI100/120/200/500/1000
Signal format:internal 24 bit
Sampling / cycle time:50 ms
Characteristic curves:GOST 16
Characteristic curves (internal identifier):internal 24
Connection / terminal type:1x 40-pole
Spare part:Yes
Engineering Context
The SM 331 provides isolated analog input capability for SIMATIC S7-300 with 8 AI channels.
The module supports 2/3/4-wire measurement configurations for resistor and Pt100/200/1000 and NI100/120/200/500/1000 sensor types.
Characteristic curves are specified according to GOST 16 with an internal 24-bit format and a 50 ms timing parameter.
FAQ
1. What is the module family and function of 6ES7331-7PF01-0AB0?
6ES7331-7PF01-0AB0 is an SIMATIC S7-300 analog input SM 331, isolated.
2. How many analog input channels does the SM 331 have?
It provides 8 AI.
3. Which wiring configurations are supported?
It supports 2/3/4-wire.
4. What measurement sensor types are supported?
It supports resistor, Pt100/200/1000 and NI100/120/200/500/1000.
5. What characteristic curves specification is used?
Characteristic curves are according to GOST 16 (internal 24).
6. What timing and data format are specified?
The module specifies 50 ms and internal 24 bit.
