PLC program design using state diagram method on insert nut installing machine. BIS Energy and Engineering, [S. l.], v. 2, p. V225042, 2025. DOI: 10.31603/biseeng.367. Disponível em: https://unimma.press/conference/index.php/biseeng/article/view/367. Acesso em: 7 jun. 2025.