The Schneider 170AAO12000 analog output module delivers precise current signals for Modicon Momentum M1E systems. This eight-channel unit converts digital commands into 4–20 mA signals for field actuators. Its compact housing measures 110 mm in height, 55 mm in width, and 75 mm in depth.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Schneider Electric |
| Model | 170AAO12000 |
| Category | Analog Output Module |
| Number of Channels | 8 |
| Output Signal Type | 4–20 mA (current) |
| Resolution | 12 bits |
| Accuracy (25°C) | ±0.15% of full scale |
| Accuracy (full temp range) | ±0.3% of full scale |
| Load Impedance | 0–600 Ω |
| Response Time | 6 ms (settling to 95%) |
| Isolation Voltage | 1500 V AC (channel-to-bus) |
| Power Consumption (5 V) | 2.5 W |
| Power Consumption (24 V) | 3.0 W (all outputs ON) |
| Dimensions (H×W×D) | 110 × 55 × 75 mm |
| Weight | 0.25 kg |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | –25°C to +85°C |
| Protection Rating | IP20 |
| Mounting Type | DIN rail (35 mm) |
| Terminal Type | 20-pin spring-clamp |
| Wire Gauge | 0.2 – 1.5 mm² |
| Component Count | 46 components |
Output Configuration and Signal Accuracy
The Schneider 170AAO12000 provides eight 4–20 mA outputs for controlling field instruments. Each channel delivers current signals to actuators, positioners, and recording devices. The module maintains accuracy within ±0.15% of full scale at 25°C. Such precision ensures reliable performance in demanding process control applications.
Resolution and Dynamic Performance
This module features 12-bit resolution for smooth and granular output control. The response time reaches 6 ms for settling to 95% of final value. Each channel updates simultaneously for coordinated multi-loop applications. This speed supports fast-acting processes like flow and pressure control.
Load Driving and Output Flexibility
The Schneider 170AAO12000 drives loads up to 600 Ω for flexible field wiring. This capacity allows long cable runs between the module and field devices. Users can connect multiple instruments in series within the load limit. The current output remains stable across the full load range.
Isolation and Protection Systems
This module includes 1500 V AC isolation between each output and the system backplane. The isolation protects the CPU from field-side voltage spikes and ground loops. Each channel features short-circuit protection for fault tolerance. The module automatically reports open-circuit conditions to the controller.
Power Consumption and Thermal Management
The Schneider 170AAO12000 draws 2.5 W from the 5 V backplane supply for logic circuits. The 24 V field supply provides 3.0 W with all outputs operating. This split-power design isolates the backplane from field-side variations. The total power draw remains low for efficient cabinet thermal management.
Hardware Construction and Component Quality
This PCB contains 46 components, including D/A converters, amplifiers, and protection circuits. The board uses surface-mount technology for compact module dimensions. A protective coating shields the circuitry from industrial contaminants. The housing meets UL 94 V-0 flame-retardant standards for safety.
Installation and System Integration
Mount the Schneider 170AAO12000 on a 35 mm DIN rail for simple installation. Its 55 mm width preserves valuable rack space in control cabinets. Connect field wiring through the 20-pin spring-clamp terminal block for reliable terminations. The terminal accepts wire gauges from 0.2 to 1.5 mm².
Details
| Weight | 0.25 kg |
|---|---|
| Dimensions | 130 × 100 × 20 mm |
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