Frequently Asked Questions (FAQ)

Q1: What is the function of the 3500/32 125720‑02?
A1: It delivers four independent relay outputs with programmable logic for machinery protection.

Q2: What is the contact rating of each relay?
A2: Rated for up to 5 A at 24 V DC or 120 V AC with built‑in arc suppression.

Q3: Can I program alarms with complex logic?
A3: Yes, each channel supports AND/OR logic for versatile fault response.

Q4: Are there diagnostic indicators?
A4: LEDs indicate module health (OK), communication (TX/RX), and each channel alarm.

Q5: How much power does it draw?
A5: Approximately 5.8 W during normal operation.

Q6: What are the temperature limits for operation?
A6: Operates from –30 °C to +65 °C, stores at –40 °C to +85 °C, with 95% humidity tolerance.

Q7: Where does it mount in the rack?
A7: It installs as a full-height module in slots adjacent to the transient data interface.

Q8: How heavy is it?
A8: Roughly 0.4 kg.

Q9: Can multiple units be added for more channels?
A9: Yes, you can install multiple relay modules for expanded output logic.

Q10: Does it require external arc suppression hardware?
A10: No—arc suppression is integrated up to 250 Vrms.