The Allen Bradley 1771-WA is an AC input module designed by Rockwell Automation for the older PLC-5 system. Its main function is to receive AC signals from the field, such as when you press a button or a sensor detects a certain condition, it will accurately inform the PLC of the "power on" or "power off" status. Therefore, the PLC can understand what is happening at the site and decide accordingly on the next operation to be performed. It is an important link connecting the PLC to those AC switches and relays. If you are maintaining the existing system or need to customize some spare component solutions, the guarantee provided by Hanyite Automation Technology here is genuine original and brand new. Currently in stock, it ensures that your equipment can be replaced promptly and reliably.
The Allen Bradley 1771-WA has several practical features. Firstly, it is a wide-voltage module that can be connected to either 120V or 240V AC power. It has strong versatility. Secondly, there are 16 input points on one module, allowing it to monitor 16 devices simultaneously, which is quite capable. Moreover, it has a filtering function internally, which can effectively prevent various electrical interferences in the field and prevent the PLC from "misinterpreting" signals. The most important thing is that it is the "original equipment" of the PLC-5 system. Just plug it in and it can be used. Its compatibility is absolutely flawless.
When purchasing this original Rockwell module, what you are looking for is convenience and reliability. Its materials and workmanship are very solid. Allen Bradley 1771-WA can work stably for many years in the noisy and shaking environment of a factory and is not prone to failure. Moreover, it processes signals very accurately and has first-class anti-interference capabilities. It will not "mistakenly report intelligence" due to a single spark of electricity, ensuring the safety and stability of the entire production line. In case of any problems, the original module also has complete documentation and technical support. It is much easier to troubleshoot the problems, which no inferior products can match.
| Series Classification | Belongs to the 1771 series, which is a modular I/O designed for the PLC-5 system. |
| Dimensions | It is a standard 1771 module, with dimensions approximately 21.6 cm x 12.7 cm x 12.7 cm (length x height x depth). It is designed for installation in the universal I/O racks of the 1771 series (such as 1771-A1B, 1771-A2B, 1771-A3B, 1771-A4B, etc.). |
| Weigh | The net weight is approximately 0.5 kilograms. It feels quite substantial in your hand and is made of solid materials. |
| Terminal Blocks | On the front of the module, there is a detachable 40-pin edge connector (such as 1771-WD or 1771-WF, etc. for the terminal arm), facilitating on-site wiring. You can directly remove the terminal arm for maintenance or replacement without removing the module, which is very convenient. |
| Indicators | On the front panel of the module, there are multiple LED status indicators, including an "ACTIVE" light (indicating normal communication on the module's back panel) and an "ON" status light corresponding to each input channel, providing an intuitive display of the input signal status. |
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