The Schneider 140ACO02000C analog output module generates precise control signals for actuators and process instrumentation. This eight-channel device converts digital commands into continuous analog outputs for field devices. Its rugged housing measures 140 mm in height, 40 mm in width, and 130 mm in depth.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Schneider Electric |
| Model | 140ACO02000C |
| Category | Analog Output Module |
| Number of Channels | 8 isolated outputs |
| Output Signal Types | 4–20 mA, 0–20 mA |
| Output Range (Current) | 0–20 mA / 4–20 mA (configurable) |
| Resolution | 12 bits |
| Accuracy (25°C) | ±0.1% of full scale |
| Accuracy (full temp range) | ±0.25% of full scale |
| Load Impedance (Current) | 0–750 Ω |
| Response Time | 5 ms (settling to 95%) |
| Isolation Voltage | 1500 V AC (channel-to-bus) |
| Power Consumption (5 V) | 2.8 W |
| Power Consumption (24 V) | 3.2 W (all outputs ON) |
| Backplane Current Draw | 560 mA (at 5 V) |
| Dimensions (H×W×D) | 140 × 40 × 130 mm |
| Weight | 0.42 kg |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | –25°C to +85°C |
| Protection Rating | IP20 |
| Mounting Type | DIN rail (35 mm) |
| Terminal Type | 20-pin screw connector |
| Wire Gauge | 0.2 – 1.5 mm² (AWG 24–16) |
| Component Count | 52 components |
Output Configuration and Signal Types
The Schneider 140ACO02000C delivers 4–20 mA or 0–20 mA signals to field actuators and instruments. Users configure each of the eight channels independently via the control software. The current output drives loads up to 750 Ω for long-distance signal transmission. Such flexibility suits valve positioners, variable drives, and chart recorders.
Conversion Precision and Output Accuracy
This module achieves 12-bit resolution for smooth and precise analog output signals. Accuracy remains within ±0.1% of full scale at 25°C ambient temperature. The full operating temperature range maintains ±0.25% accuracy for industrial reliability. Each channel settles to its final value within 5 ms for responsive control loops.
Response Time and Dynamic Performance
The Schneider 140ACO02000C reaches 95% of final output value within 5 milliseconds. This rapid response supports time-critical processes like flow control and pressure regulation. The module updates all channels simultaneously for coordinated actuator operation. Such synchronization prevents phase delays in multi-loop control applications.
Isolation and Noise Immunity
This module provides 1500 V AC isolation between the analog outputs and the backplane. The isolation barrier protects the CPU from field-side voltage surges and faults. Each output channel includes individual isolation for complete signal independence. This design prevents ground loops from affecting measurement accuracy or stability.
Power Architecture and Energy Efficiency
The Schneider 140ACO02000C draws 2.8 W from the 5 V backplane supply for logic circuits. A separate 24 V field supply provides 3.2 W with all outputs energized. This split design prevents field-side power issues from affecting backplane stability. The total power consumption remains low for efficient thermal management.
Component Layout and Hardware Quality
This PCB contains 52 components, including DACs, amplifiers, and isolation circuits. The board uses a multi-layer design to separate analog and digital signal paths. Surface-mount technology enables compact placement for reduced module width. Gold-plated edge connectors ensure reliable backplane contact for signal integrity.
Installation and System Mounting
Mount the Schneider 140ACO02000C on a standard 35 mm DIN rail using the integrated clip. Its 40 mm width allows high-density installations in Modicon Quantum racks. Connect field wiring using the 20-pin screw terminal block for secure terminations. The terminal block accepts wire gauges from 0.2 to 1.5 mm² for standard cabling.
Details
| Weight | 0.25 kg |
|---|---|
| Dimensions | 130 × 100 × 20 mm |
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