Product Overview
Technical Summary
| Product type | SIMATIC S7-300 isolated analog input module |
|---|---|
| Analog inputs | 8 |
| Measurement | Resistance measurement |
| Sensor types | Cu 10, Ni 100, Ni 1000, LG-Ni 1000, Ni 120, Ni 200, Ni 500, Pt 100, Pt 1000, Pt 200, Pt 500 |
| Connection | 2-wire without resistance correction, 3-wire, and 4-wire |
| Rated load voltage L+ | 24 V DC |
| Front connector | 40-pin |
| Resolution with overrange | 16 bit; Two's complement |
| Diagnostic alarm | Yes; Parameterizable per group |
| Potential separation | Between channels, in groups of 2; between channels and backplane bus; between channels and electronics power supply |
| Product lifecycle | Product cancellation |
Key Features
8 analog inputs, all for resistance measurement.
Supports Cu 10, Ni 100/120/200/500/1000, Pt 100/200/500/1000, and resistance ranges of 0 to 150 ohms, 0 to 300 ohms, and 0 to 600 ohms.
Supports 2-wire connection without resistance correction, 3-wire connection, and 4-wire connection.
Rated load voltage L+: 24 V DC. Reverse polarity protection: Yes.
Requires a 40-pin front connector; dimensions are 40 mm width, 125 mm height, and 120 mm depth.
Frequently Asked Questions
What is the exact product type?
It is the Siemens 6ES7331-7PF01-0AB0 SIMATIC S7-300 isolated analog input module with 8 AI.
Which wiring configurations are supported?
It supports 2-wire resistance measurement without resistance correction, 3-wire connection, and 4-wire connection.
Which front connector is required?
A 40-pin front connector is required.
Does it support voltage, current, or thermocouple input ranges?
It is without voltage, current, and thermocouple input ranges; resistance thermometer and resistance input ranges are supported.
What project details should accompany a quotation request?
Provide the requested quantity, destination, schedule context, and any additional BOM lines.
