12 in stock
Allen-Bradley 1761-L20AWA-5A MicroLogix 1000 PLC
Allen-Bradley 1761-L20AWA-5A MicroLogix 1000 PLC
Brand/Manufacturer: Allen-Bradley
Order Number: 1761-L20AWA-5A
Type: Programmable Logic Controllers
Country of Origin: USA
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
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Description
The 1761-L20AWA-5A is a compact fixed-configuration Programmable Logic Controller from the Allen-Bradley MicroLogix 1000 series. Powered by a 120/240 VAC line voltage source, this controller integrates twenty I/O points—comprising twelve 120 VAC discrete inputs, eight relay outputs, four analog inputs, and one analog output—making it well-suited for small-scale automation applications requiring both discrete logic and basic analog processing.
Integrated I/O and Processing Capacity
The controller features twelve 120 VAC discrete input channels with an 8-millisecond nominal filter setting and eight heavy-duty relay outputs capable of handling 24 to 125 VDC or 0 to 240 VAC loads. Its internal 1K EEPROM memory supports approximately 737 instruction words and 437 data words, accommodating standard bit logic, timers, counters, and arithmetic instructions for machine control.
Analog Capabilities and Measurement
Built-in analog features include four differential input channels supporting voltage ranges of -10.5 to +10.5 VDC and current ranges of -21 to +21 mA, alongside one configurable analog output. Data conversion is performed using a 16-bit signed integer format with a coding range of -32,768 to +32,767, allowing direct integration with process variables, sensors, and modulating final control elements.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1761-L20AWA-5A |
| Brand | Allen-Bradley |
| Product Type | Programmable Logic Controller (PLC) |
| Product Line | MicroLogix 1000 |
| Total I/O Points | 20 points |
| Discrete Inputs | 12 points (120 VAC) |
| Discrete Outputs | 8 points (Relay) |
| Analog Inputs | 4 channels |
| Analog Output | 1 channel |
| Power Supply | 120/240 VAC |
| Memory Capacity | 1K EEPROM (737 instruction words, 437 data words) |
| Communication Port | RS-232 (DF1 Protocol) |
| Enclosure Weight | 0.85 kg (1.88 lbs) |
| Lifecycle Status | Discontinued / Obsolete |
Environmental and Mounting Requirements
The unit supports DIN rail or panel mounting in either horizontal or vertical orientations, noting an operating temperature range of 0 deg C to +55 deg C for horizontal mounting and 0 deg C to +40 deg C for vertical mounting. It provides an isolation rating of 1500 VAC and operates reliably within a 5% to 95% non-condensing relative humidity environment.
Frequently Asked Questions
Q: What type of wiring gauge is recommended for the 1761-L20AWA-5A terminals? A: The controller accepts solid wires sized #14 to #22 AWG or stranded wires sized #16 to #22 AWG for secure terminal block connections.
Q: Can the analog inputs on this controller handle both voltage and current signals? A: Yes, the four analog inputs support voltage signals ranging from -10.5 to +10.5 VDC and current signals ranging from -21 to +21 mA mapped via 16-bit signed integer data.
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Testimonials
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