CMA124 3DDE300404 ABB Automate Platform PLC Board
Manufacturer: ABB
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Part Number: CMA124 3DDE300404
Condition：New with Original Package
Product Type: Communication Interface Modules
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB 3DDE300404 CMA124 Communication Interface Module
The ABB 3DDE300404, also cataloged as the CMA124 Communication Interface Module, operates as a dedicated hardware component for communication and control interface routing within ABB drive and automation systems. The module enables data arbitration between local drive logic blocks and external network topologies by executing hardware-level packet conversions. An integrated embedded Intel dual-core processor running between 1.5 GHz and 2.33 GHz processes physical sensor signals and bus variables directly via copper and optical fiber interface ports.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | CMA124 (Part Number: 3DDE300404) |
| Brand | ABB |
| Origin | Switzerland |
| Weight | 0.16 kg |
| Dimensions | 18.7 cm x 11.0 cm x 1.8 cm |
| Operating Temp | -20 to +60 deg C |
| Power Consumption | Less than 3 W @ 12 VDC full load |
| Operating Voltage | 9 to 24 VDC with integrated reverse polarity and overcurrent protection |
| Memory Architecture | 2 DDR2 slots supporting up to 4 GB |
| Storage Subsystem | Compact Flash slot with IDE/SATA infrastructure support |
| Communications | RS-232 serial ports, RJ-45 Ethernet (10/100/1000Base-T), optical fiber ports |
| Media Distance Limits | 100 m copper, 550 m multimode fiber, 10 to 80 km single-mode fiber |
| Harmonized Customs Code | 85371092 |
| Conformity | CE, UL, TUV, ATEX Zone 2 |
Deterministic Network Routing and Backplane Integration
The module board incorporates dedicated physical layer hardware to interface directly with Profinet and EtherNet/IP deterministic networks. Data transfer between the dual DDR2 memory blocks and the network transceivers occurs over synchronous internal bus lanes to avoid data dropouts under high network density loads. The flash firmware configuration validates platform parameters autonomously upon installation, maintaining complete operational loop velocity during fast data updates from external master control configurations.
Frequently Asked Questions
Q: Does the communication module support hot-swap insertion or removal while the host chassis is energized?
A: No. The internal processor and memory bus architecture do not feature transient isolation switches. Inserting or extracting the hardware while the 24 VDC backplane power is active induces data corruption risks and component damage.
Q: How does the network layer handle the transition between copper links and optical fiber mediums?
A: The physical layer transceivers switch between copper and fiber signal rails via hardware gate logic. This bypasses software application stacks, keeping the physical transmission medium conversion latency below 5 microseconds.
Field Installation Guidelines
Mount the circuit card flat inside the designated slot within the industrial cabinet housing, utilizing the native guide rails to prevent mechanical vibration from displacing the internal DDR2 modules or Compact Flash card. Connect the designated chassis grounding tab directly to the central copper earth ground bus bar using a low-impedance connection.
Maintain distinct physical separation between the low-voltage DC power feeds, copper network lines, fiber optic lines, and high-voltage AC motor wires to prevent electromagnetic cross-talk. When installing copper Ethernet cabling, limit the total loop length to 100 m. For long-distance single-mode fiber runs up to 80 km, ensure the cable routing configuration maintains a minimum bending radius of 30 mm to eliminate signal attenuation at junction interfaces.