The 140DAO84210C belongs to the Modicon Quantum series from Schneider Electric. It works as a discrete output module for AC loads. You get 16 outputs arranged in four groups of four channels each. The operating voltage ranges from 83 to 253 VAC, with a nominal range of 100 to 230 VAC. Therefore, this module fits global industrial standards.
Additionally, the 140DAO84210C requires only one output word for addressing. This simplifies programming in Unity Pro, Concept, or ProWORX 32. Supply frequency runs from 47 to 63 Hz. Hence, it works with nearly any AC line frequency worldwide. The module also carries a conformal coating for humidity protection.
The 140DAO84210C includes two types of internal protection. First, each output group has a 5 A fuse. This protects against overcurrent faults. Second, an RC filter suppresses voltage spikes. Consequently, your connected loads last longer. Fault indication appears in two ways. A blown fuse triggers the red fault LED. Loss of field power also triggers the same LED.
Local signaling includes 16 green LEDs for output status. One additional green LED shows bus communication is active. One red LED indicates an external fault such as a blown fuse or missing field power. Therefore, troubleshooting becomes fast and visual. The module also meets CE, cUL, and FM Class 1 Division 2 certifications.
Switching speed is very fast for an AC output module. Response time from state 0 to state 1 is 0.5 ms maximum. Similarly, from state 1 to state 0, it is also 0.5 ms maximum. This allows precise control of rapid processes. The dv/dt rating is 400 V/ms. Hence, the module handles moderate transients without damage.
Power dissipation follows a formula: 1.85 watts plus 1.1 volts multiplied by the total module load current. For instance, if total load current is 4 A, dissipation equals 1.85 + (1.1 x 4) = 6.25 watts. This helps you calculate heat inside the cabinet. Bus current requirement from the backplane is 350 mA.
The 140DAO84210C operates from 0 to 60 degrees Celsius. Storage temperature ranges from -40 to 85 degrees Celsius. Relative humidity reaches 95 percent without condensation. This makes the module suitable for humid environments. Operating altitude goes up to 5000 meters. Therefore, it works well in high-altitude plants.
Protective treatment includes a Humiseal 1A33 conformal coating. This coating resists moisture and mild airborne contaminants. Standards met include UL 508 and CSA C22.2 No 142. Electromagnetic compatibility includes 4 kV contact discharge and 8 kV air discharge immunity. It also tolerates 10 V/m radiated fields from 80 to 1000 MHz.
First, disconnect all power from the Quantum rack. Then select a standard-format slot for the 140DAO84210C. Insert the module firmly into the backplane. Lock it in place with the top and bottom tabs. After that, connect your AC load wires to the front terminal block.
Specifically, each of the 16 outputs connects to one terminal. You also need a common AC neutral for each group of four outputs. Next, configure the module in your software. Assign one output word in the I/O map. Finally, test each channel by turning it on from the PLC. Green LEDs confirm proper operation.
Additionally, verify that each group's total current stays below 4 A rms. Do not exceed 16 A rms for the entire module. If a fuse blows, replace it only after clearing the fault. Use only the specified fuse type. Keep the enclosure free from dripping water or corrosive chemicals.
One 140DAO84210C discrete output module
One removable terminal block (16 points)
One quick start leaflet
No certificates or warranty documents are included
We ship using FedEx, UPS, or DHL. Tracking numbers are provided for every order.
1. Can the 140DAO84210C switch DC loads like 24VDC?
No. This module is designed exclusively for AC loads from 83 to 253 VAC. Using DC loads may cause contact welding or failure. Choose a DC output module for DC applications.
2. What happens when a fuse blows on one group?
The red fault LED lights up. That group's outputs stop functioning. You must replace the internal fuse after removing the root cause. The other three groups continue working normally.
3. How do I calculate total power dissipation for the 140DAO84210C?
Use the formula: 1.85 watts plus (1.1 volts x total module load current in amps). For example, at 5 A total load, dissipation is 1.85 + (1.1 x 5) = 7.35 watts.
4. Does this module work with 50 Hz and 60 Hz systems?
Yes. The 140DAO84210C accepts supply frequencies from 47 to 63 Hz. Therefore, it works on both 50 Hz and 60 Hz power grids without any adjustment.
5. What is the minimum load current requirement per group?
The minimum load current is 4 mA rms per group. Below this value, outputs may not switch reliably. For very small loads, add a dummy resistor in parallel.
| Brand Name | Schneider Electric |
| Model No. | 140DAO84210C |
| Product Type | Discrete Output Module |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
