Schneider Modicon Quantum 140SAI94000S Analog Safety Input Module

The technical specifications for the Schneider 140SAI94000S analog safety input module:

Product Overview:

• Type: Analog safety input module
• Platform: Modicon Quantum
• Input Words: 8
• Resolution: 16 bits
• Frequency: 60Hz
• Discontinued: Yes (as of March 15, 2022)
• Recommended Replacement: 140SAI94000S is replaced by the Modicon X80 safety analog input module with 4 isolated inputs, operating in the range of 4 to 20mA.

Analog Input Specifications:

• Number of Inputs: 8
• Addressing Requirement: 13 input words
• Input Range: 0 to 25 mA (linear measuring range)
• Absolute Maximum Input: 35 mA
• Input Impedance: 287 Ohms
• Accuracy Error: +/- 0.3% (up to 140°F) or +/- 0.35% (above 140°F)
• Linearity Error: +/- 2 µA max
• Common Mode Rejection: -65 dB (60 Hz) and -70 dB (50 Hz)
• Isolation Between Channels and Bus: 1500 V AC for 60 seconds
• Update Time: 15 ms
• Fault Type: Overtaking scale

LED Indicators:

• 1 green LED for bus communication (active)
• 1 red LED for external fault detection (F)
• 8 green LEDs for system failure and diagnostic of internal channel faults
• 8 red LEDs for input status

Electrical Requirements:

• Bus Current Requirement: 400 mA
• Power Dissipation: 3.5 W

Environmental Performance:

• Operating Temperature Range: -32°F to 140°F (0°C to 60°C)
• Isolation Between Channels: 500 V AC for 60 seconds