Traditional PLC and HMI programming requires separate software, manual variable mapping, and complex debugging—making the process inefficient and error-prone. With Inovance IT9156E HMI and PLC on the unified iFA platform: Automatic variable sharing: define once, use everywhere Single project file: centralized and efficient management Joint debugging: shorter cycles, fewer errors Efficient and reliable, it greatly reduces programming workload—an ideal choice for industrial automation engineers.#p