Description

Schneider Electric 140DAI55300 Modicon Quantum Discrete Input Module

Configured for high-voltage digital acquisition in the Modicon Quantum automation platform, the Schneider Electric 140DAI55300 (base model 140DAI553) provides direct physical/electrical execution of 32-channel 115 V AC discrete input sensing into the backplane bus.

Hardware Specifications

Parameter	Specification
Brand	Schneider Electric
Origin	France
Weight	0.33 kg
Dimensions	Standard Quantum module format
Operating Temp	0...60 degC
Power Consumption	<= 10.9 W
Discrete Input Number	32
Input Voltage	115 V AC
Input Current	<= 13.2 mA @ 47...53 Hz; <= 11.1 mA @ 57...63 Hz
Guaranteed State 1 Voltage	85...132 V AC @ 47...53 Hz; 79...132 V AC @ 57...63 Hz
Guaranteed State 0 Voltage	0...20 V AC @ 47...63 Hz
Input Impedance	14400 Ohm capacitive @ 47...53 Hz; 12000 Ohm capacitive @ 57...63 Hz
Network Frequency Limits	47...63 Hz
Leakage Current	<= 2.1 mA
Absolute Max Input	200 V for 1 cycle; 156 V for 10 s; 132 V continuous
Response Time	7.3...12.3 ms On-Off; 4.9...0.75 ms x line cycle Off-On
Isolation	1780 Vrms group-to-group & group-to-bus for 1 min
Bus Current Requirement	250 mA
Indicators	32 green LEDs (input status), 1 red LED (external fault), 1 green LED (bus active)
Certifications	CUL, FM Class 1 Div 2, CSA C22.2 No 142, UL 508

Backplane Bus Communication Velocity Licensing

The 140DAI55300 interfaces with the Quantum backplane via a parallel data bus governed by firmware flash compatibility constraints. Module addressing consumes two input words, requiring precise allocation in the controller memory map. Firmware revisions must match the licensing profile of the installed CPU to ensure deterministic scan updates without introducing propagation delays in high-speed logic execution.

Frequently Asked Questions

Q: Can the 140DAI55300 be hot-swapped while the Quantum rack is powered?

A: Hot-swap capability depends strictly on the host rack’s power supply and CPU firmware version. Verify the CPU supports live insertion before attempting removal or replacement under load.

Q: What is the maximum backplane current load imposed by this module?

A: The module draws up to 250 mA from the backplane bus at rated conditions. Ensure total rack consumption does not exceed the power supply rating.

Q: Does this module support mixed AC frequencies in different channel groups?

A: No. All inputs must operate within the same configured frequency range (47...53 Hz or 57...63 Hz). Mixed frequency operation is not supported.

Field Installation Guidelines

Mount the module on a standard 35 mm DIN rail or directly into a Quantum rack slot. Ensure all field wiring uses shielded twisted pair cabling, with the shield terminated to earth ground at the panel entry only. Maintain separation of at least 75 mm between AC input wiring and low-voltage signal cables to prevent inductive coupling. Torque terminal screws to the manufacturer’s specified value (typically 0.5…0.6 N·m). Confirm proper grounding of the rack chassis before applying power.

Specifications

• Brand: Schneider Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems