FAQ (QA Format)

Q1: What network does CI857K01 use?
A1: It connects AC 800M controllers to ABB’s INSUM Ethernet network, acting as a master over a 10 Mbit/s link.

Q2: Can I swap this module without shutting down the system?
A2: Yes—it supports hot-swap capability during RUN.

Q3: What’s its power source?
A3: Powered via the CEX-Bus from the AC 800M controller—no extra power wiring needed.

Q4: How many devices can a CI857 manage?
A4: Up to 128 MCUs per CI857, and up to 6 CI857 masters per controller.

Q5: What are its physical specs?
A5: Measures 59 × 185 × 127.5 mm, weighs about 0.70 kg (1.5 lb).

Q6: Does it provide redundancy?
A6: No line or module redundancy—but supports multi-master setup and backup paths.

Q7: What operating environment is it designed for?
A7: Indoor cabinet use, +5 °C to +55 °C, IP20 rating, G3 corrosion resistant.

Q8: Where can I use this interface?
A8: Common in process plants, power systems, switchgear requiring distributed control and time sync.

Q9: What’s its power consumption?
A9: Around 150 mA @24 V DC (~3.6 W).

Q10: Is it globally certified?
A10: Yes—complies with CE, RoHS, WEEE, and industrial corrosion & safety standards.