Models
DDI01: The same ABB digital input module may differ from DDI03 in terms of the number of channels, the type of input signals, the communication interface, etc. For example, the number of channels may be less, and the number of input signals may not be the same. For example, the number of channels may be less, or the voltage range required for the input signal may be different.
DI610: Also a digital input module from ABB, it usually has a different channel configuration and electrical characteristics. It may be suitable for different industrial scenarios or have differences in immunity to interference or signal processing speed.
DI620: Similar in function to DDI03, but with differences in specific technical parameters and performance. For example, it may have a higher protection level and is more suitable for use in harsh industrial environments.
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