Schneider Electric Modicon 140CRA31200 Technical Specifications
1. General Information
Model Number: 140CRA31200

Module Type: Analog Input

Series: Modicon Quantum 140

Channels: 12 isolated inputs

Hot-Swappable: Yes

2. Electrical Characteristics
Input Types:

Voltage: 0-10V, ±10V

Current: 0-20mA, 4-20mA

Resolution: 16-bit (65,536 counts)

Accuracy: ±0.1% of full scale (typical)

Input Impedance:

Voltage: ≥1MΩ

Current: 250Ω

Sampling Rate: 50ms per channel (all channels)

Common Mode Rejection: >120dB @ 50/60Hz

Normal Mode Rejection: >60dB @ 50/60Hz

3. Isolation & Protection
Isolation:

Channel-to-channel: 300V AC

Field-to-logic: 1500V AC

Protections:

Overvoltage: ±30V continuous

Overcurrent: 30mA max

Reverse polarity protection

4. Mechanical Specifications
Dimensions: 45 × 125 × 120mm (W×H×D)

Weight: 0.6kg

Connection: Removable screw terminal block

LED Indicators:

Per-channel status (12 LEDs)

Module status (Power, Fault)

5. Environmental Ratings
Operating Temperature: 0°C to +60°C

Storage Temperature: -40°C to +85°C

Relative Humidity: 5% to 95% non-condensing

Vibration: 5-150Hz, 1g acceleration

Shock: 30g, 11ms duration

6. Power Requirements
Backplane Power: 5V DC, 500mA max

Field Power: Not required (passive inputs)

7. Certifications
Safety: UL 508, CSA 22.2 No. 142

EMC: EN 61326-1, EN 61000-6-2/4

Industrial: IEC 61131-2

Environmental: RoHS, WEEE

8. Compatibility
PLCs: All Modicon Quantum 140 series

Software: Unity Pro, Concept, Control Expert

Backplane: Quantum X-bus

9. Additional Features
Configuration: Software-selectable ranges per channel

Diagnostics: Open wire detection (current mode)

Update Rate: Configurable scan time