DFM01 ABB Profibus Communication Module

DFM01 Freelance 2000 ABB Profibus DPV1 Fieldbus Communication Module

DFM01 Freelance 2000 ABB Profibus DPV1 Fieldbus Communication Module

Availability: 10 left in stock

ABB DFM01 Profibus Communication Module Configured for Profibus DPV1 fieldbus communication in ABB Freelance 2000 DCS and drive networks, the...

SKU: DFM01

Manufacturer: ABB
Product No.: DFM01
Product Type: Fieldbus Communication Modules
Product Origin: Switzerland
Payment:T/T, Western Union
Weight: 480g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

ABB DFM01 Profibus Communication Module

Configured for Profibus DPV1 fieldbus communication in ABB Freelance 2000 DCS and drive networks, the ABB DFM01 (37262-4-0369570 Profibus DPV1 Fieldbus Communication Module) provides direct physical/electrical data exchange between system controllers and field-level devices.

Suffix Breakdown & Model Matrix

Model	Description
DFM01	Base Profibus DPV1 Communication Module
37262-4-0369570	Primary Catalog Part Number
3926240369570	Global Identifier / Order Reference

Hardware Specifications

Parameter	Specification
Model	DFM01
Brand	ABB
Origin	Germany / Various
Weight	0.48 kg
Dimensions	120 mm x 61 mm x 40 mm
Operating Temp	0 deg C to +60 deg C
Power Consumption	24 VDC (Approx. 2 W)
Protocol	Profibus DPV1 (9.6 kbps to 12 Mbps)
Mounting	35 mm DIN Rail (IP20)

Profibus Deterministic Networks

The DFM01 module enables deterministic data transmission across the Freelance 2000 environment by supporting both cyclic and acyclic communication profiles. The module firmware flash compatibility allows for seamless integration with existing GSD files, ensuring that timing constraints for process control loops are strictly maintained. By providing a low-latency gateway, the module minimizes jitter during high-speed polling of ACS drive parameters. The hardware architecture enforces signal isolation, which protects the internal backplane bus from potential surge voltages originating on the field-level Profibus segments.

Frequently Asked Questions

Q: Can the DFM01 maintain communication integrity if the baud rate varies across segments?

A: The module features auto-detecting baud rate functionality from 9.6 kbps to 12 Mbps. However, all devices on a specific Profibus segment must be configured to the same baud rate to ensure deterministic network stability.

Q: How does the DPV1 capability affect the primary control cycle?

A: The DPV1 acyclic service capability allows the module to handle device parameterization and diagnostic data as a background task, preventing interruptions to the time-critical cyclic process data exchange.

Field Installation Guidelines

Mount the DFM01 on a standard 35 mm DIN rail in an environment free from excessive vibration. Ensure that the Profibus cable shielding is terminated according to standard industrial practices—using appropriate EMC-rated connectors—to ground the shield at the entry point of the control cabinet. For installations exceeding 100 m at high baud rates, utilize active bus terminators to prevent signal reflections. Verify that the 24 VDC power supply maintains voltage levels within the specified range, as fluctuations can induce communication timeouts on the Profibus network.

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