130B1212

What type of component is this?

This is a Danfoss VLT General Purpose I/O MCB 101 option card designed to expand the control input and output capacity of compatible VLT frequency converters.

What inputs and outputs does the card provide?

The card provides three 0–24 V digital inputs, two 0–10 V analogue inputs, two configurable NPN/PNP push-pull digital outputs, and one 0/4–20 mA analogue output.

Is this the coated version of the MCB 101?

Yes. Danfoss 130B1212 is the coated version of the MCB 101 General Purpose I/O card. The conformal coating provides additional protection for the electronic circuitry in demanding industrial environments.

What is the corresponding standard version?

The corresponding standard, uncoated MCB 101 option is Danfoss 130B1125. The environmental conditions and original drive configuration should be checked before substituting one version for the other.

Which frequency converter ranges can use this option card?

The MCB 101 is listed for selected Danfoss VLT HVAC Drive FC 102, Refrigeration Drive FC 103, AQUA Drive FC 202, and AutomationDrive FC 301 and FC 302 frequency converters. Compatibility should be confirmed against the exact drive model and installed option arrangement.

What is the purpose of adding this card to a drive?

It adds extra control points when the frequency converter's built-in terminals are insufficient. These additional channels can be used for external commands, references, feedback signals, status indication, and connections to other automation equipment.

What voltage levels are used by the digital inputs?

The three digital inputs operate from 0–24 V. A signal below 5 V is interpreted as logic 0, while a signal above 10 V is interpreted as logic 1.

What resolution do the analogue inputs provide?

The two 0–10 V analogue inputs provide 10-bit resolution plus sign, allowing the drive to process external reference and feedback signals with suitable control precision.

What connection style does the card use?

The MCB 101 uses spring-loaded terminals. This connection method is intended to simplify control wiring and provide a secure connection within the frequency converter.

Can the card be used when replacing a VLT 5000 with an FC 302?

Yes. In specified VLT 5000 migration configurations, the MCB 101 can supply additional I/O channels needed to map signals that are not present on the FC 302 base control card.

Does the card provide both analogue and digital outputs?

Yes. It provides two digital outputs that can be configured for NPN or PNP push-pull operation, together with one analogue output supporting either 0–20 mA or 4–20 mA signalling.

What should be checked before installation?

Confirm the exact VLT drive series, enclosure configuration, available option slot, required terminal functions, and whether other option modules are already installed. Installation should be completed by personnel familiar with Danfoss frequency converters and industrial control wiring.

What are common applications for this I/O option?

Typical applications include adding start and stop commands, reset inputs, preset references, process feedback, external status signals, and outputs for relays, indicators, PLC inputs, or other control devices.

What commodity classification applies to this component?

The recorded commodity code is 853710, covering boards, panels, and similar assemblies used for electrical control or distribution at voltages not exceeding 1,000 V.