Frequently Asked Questions (FAQ)
Q1: How many digital inputs does the DI821 module provide?
A1: The DI821 provides 32 digital input channels.
Q2: What are the dimensions of the DI821 module?
A2: The module measures 45 x 102 x 119 mm.
Q3: How much does the DI821 weigh?
A3: It weighs approximately 0.18 kg.
Q4: What is the required input voltage for the DI821?
A4: The module operates on 24 V DC digital input signals.
Q5: Can the DI821 operate in extreme temperature conditions?
A5: Yes, it functions reliably from -25°C to +60°C.
Q6: What type of isolation is provided in the DI821?
A6: Optical isolation is used to protect the circuitry from electrical interference.
Q7: Is the DI821 compatible with ABB’s AC500 series PLC?
A7: Yes, it fully integrates with the AC500 automation platform.
Q8: What is the typical response time of the module?
A8: The response time is 10 milliseconds or less.
Q9: How is the DI821 mounted in control panels?
A9: The module is designed for DIN rail mounting.
Q10: Can the DI821 be used in safety-critical applications?
A10: It can be used in safety systems, but should be paired with certified safety components.
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