ProSoft MVI56-PDPMV1 Filler Module

FAQ

Q1. What is the FM1771 used for?
It is used to fill empty slots in Allen-Bradley 1771 PLC chassis.

Q2. Does the FM1771 perform any control function?
No. It has no electrical or control functionality.

Q3. Why is a filler module needed in a PLC rack?
It helps maintain proper airflow, EMI shielding, and mechanical stability.

Q4. Can I operate a PLC rack without FM1771 installed?
It is not recommended, as empty slots may affect cooling and protection.

Q5. Which PLC systems use this module?
It is used in PLC-5 systems with 1771 I/O chassis.

Q6. Is FM1771 still manufactured?
No, it is a discontinued legacy component, still available through surplus markets.

Q7. Does it require wiring or configuration?
No wiring or configuration is required.

Q8. What is the weight of FM1771?
Approximately 0.1–0.2 kg, depending on revision and supplier packaging.

MVI56-PDPMV1 ProSoft

We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.

For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.

Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.