Technical FAQs

1. What type of signals does the module accept?
   Dry-contact 24 V DC signals from switches or relay contacts.

2. How many input channels are available?
   32 discrete channels.

3. Can it be used in hazardous areas?
   Yes — rated for Zone 2 / Class I Division 2 in many configurations.

4. What is the operating temperature range?
   –40 °C to +70 °C.

5. What power supplies are needed?
   12 V DC for the local bus; 24 V DC for the field circuits.

6. Can it be replaced while the system is running?
   Hot-swap is possible with proper safety procedures and de-energized field circuits.

7. What field devices can connect to this module?
   Limit switches, pushbuttons, relay contacts, and other dry-contact devices.

8. Does it provide isolation or protection?
   Yes — designed for electrical noise immunity, channel-to-channel isolation, and industrial robustness.

9. Is it compatible with DeltaV racks?
   Yes — designed for Series‑2 DeltaV I/O racks with keyed position B3.

10. Typical applications in a plant?
    Monitoring valve and pump status, safety interlocks, and other binary sensor networks in process, utility, or manufacturing systems.