FAQ – Frequently Asked Questions

Q1: How many channels does the ADV551‑32DO have?
A1: 32 discrete digital output channels.

Q2: What voltage does it operate on?
A2: Nominal 24 V DC.

Q3: What is the maximum current per channel?
A3: 100 mA per channel.

Q4: How fast does it switch outputs?
A4: Status outputs respond ≤3 ms; mixed outputs ≤10 ms.

Q5: What are the module dimensions and weight?
A5: 107.5 × 130 × 32.8 mm; weight 0.20 kg.

Q6: What type of outputs does it have?
A6: Current-sink digital outputs.

Q7: Can it handle pulse-width or time-proportion outputs?
A7: Yes, in certain ADV551 variants.

Q8: Is it compatible with Yokogawa I/O racks?
A8: Yes, it is fully compatible.

Q9: What temperature range can it operate in?
A9: –20 °C to +60 °C.

Q10: How is it maintained or replaced?
A10: Power down the rack, unplug the module, swap, reconnect, restore power, and verify outputs.