9. FAQs (QA Format)

Below are ten questions & answers, practical and direct. Each ends with a blank line.

Q1: What is the purpose of the FC‑MCAR‑02?
A1: It is a carrier/backplane used to mount SM RIO modules (such as IOTA‑R24 assemblies), provide power rails, ground rails, and physical support in control or automation panels.

Q2: How many SM RIO or IOTA‑R24 modules does one FC‑MCAR‑02 support?
A2: It is designed to house two IOTA‑R24 assemblies or multiple SM RIO modules along a 36‑inch carrier length.

Q3: What power supply is needed?
A3: +24 V DC power is provided via power rails; the 24 V supply rails are rated to carry up to 40 A in aggregate.

Q4: What are the physical dimensions?
A4: Approximately 914.4 mm (36 in) in length, ≈ 222.3 mm in width, ≈ 105.4 mm in height (depth).

Q5: What is the weight of the carrier?
A5: 6.1 kg.

Q6: Under what temperatures does it operate reliably?
A6: Operating temperature from −40 °C to +70 °C; storage temperature −40 °C to +85 °C.

Q7: What about moisture and humidity tolerance?
A7: Relative humidity 10 %‑95 % non‑condensing; suitable for moist industrial locations provided no water ingress.

Q8: How does grounding work?
A8: It includes a ground rail with 32 M5 screws for connecting module grounds and chassis earth.

Q9: Can multiple FC‑MCAR‑02 carriers be coupled together?
A9: Yes — carriers can be connected via M5 screws through coupling holes in the power rails, to extend power or create multi‑carrier racks.

Q10: Is the product certified / safe for industrial installations?
A10: Yes — CE certified; UL recognition is in listings; pollution degree 2 or better; meant for industrial use.