Schneider 140SDI95300S Safety-Rated Discrete Input Module

Overview

The 140SDI95300S is a safety-rated discrete input module from Schneider Electric’s Modicon Quantum series. It provides 16 isolated digital inputs for 24 VDC signals. It supports positive logic (sourcing) and is designed for safety-critical systems like emergency stops and safety interlocks. The module ensures high-integrity input monitoring and complies with relevant safety standards.

Technical Specifications

• Product Series: Modicon Quantum

• Model Number: 140SDI95300S

• Function: Safety-rated discrete input module

• Number of Inputs: 16 digital inputs

• Input Voltage: 24 VDC (positive logic)

• Input Current Threshold: ≥ 3 mA

• Input Type: Sourcing (positive logic)

• Isolation: Channel-to-channel and channel-to-bus isolation

• Mounting: Quantum backplane

• Voltage State 1 Guaranteed: 11 to 30 V DC

• Voltage State 0 Guaranteed: -3 to 5 V DC

• Current State 1 Guaranteed: ≥ 3 mA

• Current State 0 Guaranteed: ≤ 1.5 mA

• Sensor Power Supply: 19.2 to 30 V

• Input Impedance: 3675 Ohm

• Absolute Maximum Input Voltage: 30 V

• Response Time: ≤ 25 ms (both rising and falling edges)

• Protection: Internal rectifier

• Fuse Rating: 1 A, fast blow

• Power Dissipation: 2.75 W + 0.25 W per active point

• Isolation Rating: 1500 Vrms for 1 minute between group and bus

• Diagnostics: Internal channel fault, broken wire detection, system failure detection

• LED Indicators:

• 1 green LED for bus communication (Active)

• 1 red LED for external fault (Fault)

• 16 green LEDs for input status

• 16 red LEDs for system failure or internal faults

• Operating Temperature: 0°C to +60°C

• Storage Temperature: -40°C to +85°C

• Humidity: 5–95% RH, non-condensing

• Bus Current Requirement: 550 mA

• Package Dimensions: 31.2 cm x 16.3 cm x 4.8 cm

• Weight: 0.45 kg