Saepul Rahmat, Arif Sumardiono, Purwiyanto

Optimization of Oyster Mushroom Dough Mixing Machine Using Omron CP1E PLC Control

Introduction

Optimization of oyster mushroom dough mixing machine using omron cp1e plc control . Optimize oyster mushroom growing medium mixing with an Omron CP1E PLC-controlled machine. Achieve uniform mixtures, reduce power consumption, and boost efficiency in just 3 minutes.

Abstract

Oyster mushroom cultivation is vital for providing the growing medium. Manually mixing the growing medium has several limitations, including time-consuming and inconsistent results. This paper objectives are to resolve growing medium oyster mushroom with mixing machine based on the Omron CP1E Programmable Logic Controller (PLC). The research methodology of mechanical and electrical of the machine was equipped with a single-phase AC motor, relay, control panel, and PLC-based control system to increases labor efficiency and ensures uniformity in the media mixture. This paper contribution research are to find the best composition of ingredients with PLC control to get homogenous media mixture by measuring the weight of the ingredients, mixing time, power consumption, and the homogeneity of the mixture. Based on the test results, the prototype is able to pack oyster mushroom growing media close to the initial mass, which is around 2975–3015 grams with an error of 1%, as well as decreasing power consumption due to the growing media mixture starting to become homogeneous so that the motor works lighter. The prototype of the oyster mushroom mixing machine has been successfully mix the media homogenous in 3minutes with the motor speed 70 rpm and power consumption 345 Watt.

Review

This paper presents a timely and relevant solution to a persistent challenge in oyster mushroom cultivation: the labor-intensive and often inconsistent manual mixing of growing media. By proposing an automated mixing machine controlled by an Omron CP1E Programmable Logic Controller (PLC), the authors aim to significantly improve efficiency and ensure uniformity, which are critical factors for successful mushroom production. The premise of leveraging automation to overcome these limitations is sound and holds considerable practical implications for the agricultural sector. The methodology outlined involves the mechanical and electrical design of a prototype, integrating a single-phase AC motor, relays, and a control panel with the PLC. The research effectively measures key operational parameters such as ingredient weight, mixing time, power consumption, and mixture homogeneity. The reported results are promising, indicating the prototype's ability to achieve a homogeneous mixture within 3 minutes at a motor speed of 70 rpm, with a modest power consumption of 345 Watts. The observation that power consumption decreases as the mixture homogenizes suggests an efficient operation, and the stated ability to "pack" media close to a target mass with a low error rate (1%) highlights potential for further integration of functions. While the abstract provides a compelling overview, the full paper would benefit from a more detailed exposition of certain aspects. Specifically, a robust and quantitative method for assessing "homogeneity" is crucial for substantiating the claims, as the abstract only states it was "successfully mix the media homogenous." Clarification is also needed regarding the phrase "find the best composition of ingredients with PLC control," as the PLC's primary role is process control rather than ingredient formulation; this might imply optimizing mixing parameters for a given composition or perhaps an automated ingredient dispensing system linked to the PLC. Finally, the relationship between the mixing function and the ability to "pack" growing media warrants further elaboration to provide a complete picture of the machine's integrated capabilities.

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