ABB PCD235B101 3BHE032025R0101 Redundant digital input module

ABB PCD235B101 3BHE032025R0101 Redundant digital input module

Specific Parameters​

Core and Function Parameters​

Product Type Redundant 16-channel Digital Input Module​

Manufacturer ABB​

Model PCD235B101, Part Number 3BHE032025R0101​

Series AC 800M Series​

Input Channels 16 independent isolated digital input channels​

Input Signal Types Dry Contact (Passive), Wet Contact (Active)​

Signal Voltage Level 24V DC (Standard Industrial Voltage)​

Redundant Functions Controller Redundancy, Communication Redundancy (requires CI854/CI858 interface)​

Communication Interface Backplane Bus (interconnection with AC 800M controller)​

Supported Protocols PROFIBUS DP, MODBUS TCP/IP, EtherNet/IP​

Compatible Systems ABB AC 800M DCS System, ABB Advant OCS System​

Protection Functions Channel Over-voltage Protection (≤30V DC), Short-circuit Protection (self-recovery)​

Diagnostic Functions Channel Fault Diagnosis, Power Fault Diagnosis, Communication Status Diagnosis​

Installation Method AC 800M Controller Rack Slot Installation (3U Rack)​

Certification Standards CE, UL, CSA, IEC 61131-2, RoHS, ATEX​

Status Indication Power Normal (Green LED), Channel Activation (Yellow LED), Fault Alarm (Red LED)​

Electrical and Performance Parameters​

Power Supply Voltage 24V DC (19.2-28.8V DC wide-range compatible)​

Input Current per Channel 4mA (rated), 8mA (maximum)​

Input Impedance 2.2kΩ (at 24V DC)​

Isolation Level Inter-channel isolation voltage 250V AC, 3-way isolation (input-output-power) 1500V AC/1min​

Response Time ≤1ms (signal rising edge), ≤3ms (signal falling edge)​

Switching Threshold High Level ≥15V DC, Low Level ≤5V DC​

Common Mode Rejection Ratio ≥80dB (50/60Hz)​

Power Consumption Typical 3.5W, Maximum 5W​

Physical and Environmental Parameters​

Overall Dimensions 100mm×220mm×80mm (L×W×H)​

Weight Approximately 0.8kg​

Operating Temperature Range -25°C to 70°C​

Storage Temperature Range -40°C to 85°C​

Relative Humidity 5%-95% (non-condensing, no dew)​

Protection Rating IP20 (per IEC 60529)​

Housing Material Flame-retardant ABS Plastic (UL94 V-0 Grade)​

Vibration Resistance 10-500Hz, 1.5G (30min per X/Y/Z axis)​

Shock Resistance 25G (11ms, 3 times per X/Y/Z axis)​

Product Performance​

16-channel high-density input design, supporting dry/wet contact signal acquisition, adapting to diverse digital signal needs in industrial fields​

Redundant design covers controllers and communication links, enabling seamless switching in case of faults to ensure continuous system operation with extremely high reliability​

3-way electrical isolation (1500V AC) combined with high common mode rejection ratio, effectively resisting industrial electromagnetic interference with strong signal stability​

Response time as low as 1ms, quickly capturing signal changes to meet the real-time requirements of high-speed control scenarios​

Integrates multiple protection and comprehensive diagnostic functions, enabling precise positioning of fault points with high operation and maintenance efficiency, reducing downtime losses​

Wide operating temperature range of -25°C to 70°C, adapting to high-temperature and low-temperature extreme industrial environments with excellent environmental adaptability​

Seamless compatibility with AC 800M DCS system, supporting hot-swappable function, system expansion and maintenance without shutdown​

Low-power design combined with flame-retardant housing, ensuring high safety during long-term operation with Mean Time Between Failures (MTBF) exceeding 100,000 hours​