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Schneider Electric 140DAO85300 Modicon Quantum AC Discrete Output Module

Configured for AC discrete output switching in the Modicon Quantum automation platform, the Schneider Electric 140DAO85300 (140DAO85300 AC Discrete Output Module) provides direct physical electrical execution. The 140DAO85300 supports 32 AC output channels arranged in four groups of eight channels with an operating output range of 20 to 253 VAC and two output word addressing.

Suffix Breakdown & Model Matrix

The supplied documentation identifies 140DAO85300 as a fixed catalog number. No official suffix or ordering code decomposition is specified by the manufacturer; therefore, no suffix interpretation is provided.

Hardware Specifications

Parameter	Specification
Model	140DAO85300
Brand	Schneider Electric
Product Series	Modicon Quantum Automation Platform
Product Type	AC Discrete Output Module
Origin	Not specified
Output Channels	32 AC outputs
Channel Groups	4 groups of 8 channels
Output Voltage	20 to 253 VAC
Supply Frequency	47 to 63 Hz
Voltage Drop	1.5 V
Addressing Requirement	2 output words
Maximum Output Withstand	400 Vrms for 1 cycle AC; 300 Vrms for 10 s AC
Minimum Load	10 A
Output Current Rating	4 A rms (20 to 132 VAC) per output; 3 A rms (170 to 253 VAC) per output
Module Current Limit	16 A rms per module
Surge Current	15 A for 2 cycles; 12 A for 1 cycle; 8 A for 3 cycles per point
Off-State Leakage	1 mA rms at 24 VAC; 1 mA rms at 48 VAC; 2 mA rms at 115 VAC; 2.5 mA rms at 230 VAC
Response Time	<= 0.5 ms ON to OFF; <= 0.5 ms OFF to ON
Protection	Internal RC filter; internal 4 A fuse per output
dV/dt	400 V/ms
Bus Current Requirement	320 mA
Power Consumption	Power dissipation = 1.60 + (1.0 V x total module load current)
Local Indicators	32 green output LEDs, 1 green Active LED, 1 red Fault LED
Module Format	Standard
Weight	0.45 kg
Operating Temp	0 to 60 degC
Storage Temp	-40 to 85 degC
Relative Humidity	95 % non-condensing
Operating Altitude	Up to 5000 m
Certifications	CE, cUL, FM Class 1 Division 2
Standards	CSA C22.2 No. 142, UL 508
EMC Immunity	8 kV air ESD, 4 kV contact ESD, 10 V/m RF immunity

Backplane Communication and I/O Density Characteristics

Within the Modicon Quantum platform, the module exchanges output image data through the system backplane using two output words. The 32-channel density enables centralized AC load switching while maintaining grouped output organization. The module requires 320 mA from the backplane and provides local LED diagnostics for channel status, communication status, and external fault indication.

Frequently Asked Questions

Q: Does the module support hot replacement while the rack is energized?
A: The supplied documentation does not specify hot-swap capability. Installation and replacement should follow the controller and rack maintenance procedures defined for the Modicon Quantum platform.

Q: How many output data words are required by the PLC configuration?
A: The module requires two output words for addressing.

Q: What output protection is integrated into the hardware?
A: Each output includes an internal RC filter for transient suppression and internal 4 A fuse protection.

Field Installation Guidelines

• Verify the AC load voltage is within the specified 20 to 253 VAC operating range before energizing the module.
• Observe the module current limit and individual channel loading limits when distributing field loads.
• Separate AC output wiring from low-level analog and communication cables to reduce electrical interference.
• Tighten field terminal connections according to the applicable installation manual and inspect periodically for loose conductors.
• Ensure protective earth grounding of the control cabinet complies with local electrical standards before commissioning.
• Confirm module LED indications after startup to verify communication status and output operation.

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