Product Overview
Downtime in oil, gas, or heavy process plants often traces back to a failed output module. The Schneider Electric 140DDO36400C is a DC discrete output module from the Modicon Quantum automation platform. It delivers 96 discrete outputs arranged in six groups of 16, using negative logic (sink) at a nominal 24 V DC. This module suits control systems that must drive relays, solenoids, and indicator banks without hesitation.
Technical Specifications
| Parameter | Value |
|---|---|
| Product line | Modicon Quantum |
| Outputs | 96 (6 groups of 16) |
| Output voltage | 24 V DC (19.2–30 V) |
| Max load current | 0.5 A per point; 3.2 A per group; 19.2 A per module |
| Response time | ≤ 0.1 ms (both transitions) |
| Isolation | 500 Vrms DC for 1 minute |
| Power dissipation | 7 W |
| Bus current | 250 mA |
| Operating temperature | 0…60 °C |
| Weight | 0.45 kg |
Solving Output-Layer Pain Points
Point Density Without Panel Bloat
Ninety-six outputs in a standard-format module reduce rack space. Each point handles up to 0.5 A, so you can drive a wide range of field devices directly. Group-level limits of 3.2 A and a 19.2 A module ceiling keep power distribution predictable.
Fast Switching for Time-Critical Logic
A response time of ≤ 0.1 ms on both state transitions means the module reacts almost instantly. That speed matters in packaging, material handling, and emergency shutdown sequences where delayed outputs cascade into scrap or unsafe conditions.
Built-In Fault Handling
Short-circuit and overload protection are integrated. The module reports fault points and loss of field power, while a red LED flags external faults and a green LED confirms bus communication. Instead of hunting through a panel, technicians see the problem immediately.
Rugged in Electrically Noisy Plants
The 140DDO36400C withstands 4 kV contact and 8 kV air electrostatic discharge, plus electromagnetic fields up to 10 V/m from 80 to 2000 MHz. Conformal coating (Humiseal 1A33) adds protection in humid or contaminated environments, and the module operates up to 5000 m altitude.
Where It Fits
In oil and gas terminals, this module drives valve pilot solenoids and status lamps across six isolated groups. Water treatment plants use the sink logic to interface with relay panels. OEM machine builders rely on the 96-point density to consolidate I/O and cut wiring runs.
Integration Notes
The module requires six output words of addressing. Isolation between channels and bus is rated 500 Vrms DC for one minute, which helps separate field wiring from control electronics. If you are wiring into a fieldbus network, confirm gateway and cabling requirements with your supplier before installation.
Selection Checklist
Before ordering, verify your system uses Modicon Quantum racks, confirm sink (negative logic) compatibility, and check that field devices stay within 0.5 A per point. Please verify current lifecycle status and availability with Oil AutoTech before ordering. Oil AutoTech offers hands-on technical selection help and fast dispatch, worldwide.
Contact Oil AutoTech today for pricing and availability.
