Schneider Electric BMXCPS3020 Modicon X80 Power Supply Module

Product Description

The BMXCPS3020 is a DC power supply module for the Modicon X80 automation platform. It accepts an isolated 24-48 VDC primary supply and provides separate power outputs for I/O module logic and the 24 VDC I/O modules and processor. The module includes secondary-circuit protection for the 24 VDC sensor supply, a green rack-voltage status LED, and a RESET push-button for cold restart.

Hardware Specifications

Power Output and System Function

The BMXCPS3020 supplies two distinct secondary power rails. The 24 VDC output supports the I/O modules and processor, while the 3.3 VDC output supplies I/O module logic. These outputs serve different electrical requirements within the rack, so their individual power and current ratings must be considered when checking the total system load.

The module accepts a wide DC input range of 18-62.4 VDC. However, the nominal input supply is specified as 24-48 VDC. When selecting an external supply, verify that its operating voltage remains within the permitted input range and that it can support the input current and startup inrush current.

Protection and Status Monitoring

The primary circuit uses an internal fuse that is not accessible. On the secondary side, overload, overvoltage, and short-circuit protection applies to the 24 VDC sensor power supply. These protection functions should not be interpreted as confirmation that every secondary output has identical protection.

A green LED indicates that rack voltage is OK. The RESET push-button initiates a cold restart, which is distinct from normal status indication. The supplied specifications do not establish additional diagnostic functions or remote monitoring capabilities.

Electrical Connections and Installation Limits

The module has a five-pin connector for line supply and protective earth, plus a separate two-pin connector for the alarm relay. Select the power cable according to the specified conductor cross-section and maximum cable distance.

• For a copper power cable of 1.5 mm2, the specified maximum distance is 10 m.
• For a copper power cable of 2.5 mm2, the specified maximum distance is 15 m.
• Confirm that the selected backplane is compatible. The BMXCPS3020 is explicitly listed as incompatible with BMEXBP..02 backplanes.

The insulation resistance is specified as at least 10 Mohm between the primary circuit and ground, and between the primary and secondary circuits. These values describe electrical isolation characteristics and should not be confused with an operating voltage or dielectric withstand rating.

Frequently Asked Questions

Q: What input voltage does the BMXCPS3020 require?

A: Its nominal input range is 24-48 VDC, with specified primary voltage limits of 18-62.4 VDC. The external supply must also accommodate the input current and inrush current.

Q: Which backplanes are incompatible with the BMXCPS3020?

A: The supplied specifications identify the BMEXBP..02 backplane family as incompatible. Check the exact backplane reference before installation rather than assuming compatibility with every Modicon X80 rack.

Q: What does the RESET push-button do?

A: The RESET push-button initiates a cold restart. The green status LED indicates that rack voltage is OK; the supplied data does not specify additional LED states or diagnostic codes.

Other Attributes

• Series：Modicon Quantum 
• Country of Origin:  USA
• Lead Time: In Stock, 2 Working Days

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