ABB CI854A 3BSE030221R1
ABB CI854A (Model 3BSE030221R1) is a PROFIBUS-DP/V1 communication interface module designed for industrial automation systems. It belongs to the ABB Advant 800xA series of I/O and communication units.

Main Functions and Applications
Communication Bridging: Enables data exchange between PLCs (such as 800xA) and fieldbus networks, supporting up to 32 slave devices.
Applicable Industries: Chemical, oil & gas, pharmaceutical, metallurgy, power, machinery manufacturing, and other fields requiring reliable fieldbus communication.
Programming Compatibility: Can be programmed using ABB Studio 5000, Control Builder, and similar software in Ladder, FBD, and ST languages to achieve basic functions such as sequence control, counting, and timing.
Technical Specifications (Common Parameters)
Item |
Specification |
Operating Voltage |
24 V DC ± 20% |
I/O Channels |
16 DI + 16 DO (digital) |
Input Type |
Single-ended / Differential |
Output Type |
Relay |
Communication Protocol |
PROFIBUS-DP/V1 (up to 12 Mbit/s) |
Max. Slave Devices |
32 |
Operating Temperature |
–25 °C to +70 °C |
Dimensions |
Approx. 127.5 × 185 × 59 mm (ref. 6G Controls) |
Power Consumption |
Approx. 250 mA (24 V) |
Protection Features |
Overvoltage, overcurrent, overheating, insulation protection (3 kV DC) |
Key Features
Hot-swappable design, convenient for on-site maintenance.
Multiple safety protections (overcurrent, overvoltage, overheating, insulation) to enhance system reliability.
High compatibility: Interoperable with devices from Rockwell, Siemens, Schneider, and other brands.
Remote monitoring support: Built-in web server and TCP/IP protocol stack for parameter configuration and status diagnostics via browser or dedicated software.
In summary, the ABB CI854A 3BSE030221R1 is a high-reliability PROFIBUS-DP/V1 interface module for industrial environments. It provides 16 DI/16 DO channels, a wide operating temperature range, and multiple protection functions, making it suitable for various automation systems requiring robust fieldbus communication.
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