ABB PCD231B101 3BHE025541R0101 DCS Interface Module

ABB PCD231B101 3BHE025541R0101 Concise Technical Specification
Basic Information
Brand: ABB
Model: PCD231B101, spare code 3BHE025541R0101
Product Name: PEC80 Multi-Channel Communication Interface Module
Origin: Switzerland
HS Code: 85371092
Dimension: 290mm × 142mm × 65mm
Net Weight: 1.4kg

Electrical & Environmental Parameters
Rack power supply: 24VDC input, typical power consumption 7W
Onboard communication ports: Dual 10/100Mbps Ethernet, galvanic isolated RS485 serial bus, dedicated internal control bus
Isolation rating: 2500VAC isolation between power and signal circuits
Operating temperature: -20°C ~ +70°C; storage temperature: -40°C ~ +85°C
Humidity: 5%–95% non-condensing
Protection grade: IP20 for cabinet internal rack installation
Certifications: CE, IEC EMC, LVD industrial control compliance
Core Product Characteristics
Built-in FPGA signal processing chip to offload communication tasks from main CPU and avoid control loop jitter; dual Ethernet ports support redundant communication switching without equipment shutdown; front panel LED indicators display power, bus operation and channel fault status; conformal coated circuit board to resist dust, moisture and corrosive flue gas in power plant environments; standard rack plug-in design supports hot-swap maintenance without cutting whole system power; built-in continuous self-diagnosis to detect wire open-circuit, short-circuit and communication loss; high EMC anti-interference circuit to suppress electromagnetic noise from high-power drive cabinets; fully compatible with all ABB PEC80 excitation and medium voltage drive series modules.
Wiring Instruction
Insert the module into dedicated slot of ABB standard converter rack to obtain 24VDC power and internal control bus connection through backplane terminals. Connect field communication equipment to front pluggable RJ45 and serial terminals with shielded twisted pair cables, single-point ground all cable shielding layers on cabinet earth bar. Separate weak signal communication wiring and high-power drive cables to reduce electromagnetic crosstalk and signal distortion.