ABB 3BDH000741R1ABB CTI 21-P Ex High Precision Isolated Voltage Measurement Module, Order Cod...
ABB CTI 21-P Ex High Precision Isolated Voltage Measurement Module, Order Code 3BDH000741R1 Core Function: This rack plug-in measurement module belongs to ABB Symphony Plus / 800xA DCS platform, certified for hazardous explosive zone environments. It provides 8 independent galvanically isolated high-resolution voltage input channels to collect AC/DC voltage signals from generators, transformers, grid sensors, and process transmitters. Equipped with 24-bit ADC chips for ±0.01% ultra-high measurement accuracy, it converts raw analog voltage signals into digital data for DCS controllers to execute power monitoring, load balancing, overvoltage/undervoltage protection, and real-time process trending. It supports HART and PROFIBUS DP bidirectional communication, built-in wire break, over-range,
Product Description
ABB CTI 21-P Ex High Precision Isolated Voltage Measurement Module, Order Code 3BDH000741R1 Core Function: This rack plug-in measurement module belongs to ABB Symphony Plus / 800xA DCS platform, certified for hazardous explosive zone environments. It provides 8 independent galvanically isolated high-resolution voltage input channels to collect AC/DC voltage signals from generators, transformers, grid sensors, and process transmitters. Equipped with 24-bit ADC chips for ±0.01% ultra-high measurement accuracy, it converts raw analog voltage signals into digital data for DCS controllers to execute power monitoring, load balancing, overvoltage/undervoltage protection, and real-time process trending. It supports HART and PROFIBUS DP bidirectional communication, built-in wire break, over-range,
Technical Specifications
| Brand | ABB |
|---|---|
| Model | 3BDH000741R1 |
| Category | Industrial Automation |
| Full Official Name | ABB CTI 21-P Ex High Precision Isolated Voltage Measurement Module, Order Code 3BDH000741R1 |
| Power industry field sensors | voltage transformers, generator terminal sensors, grid monitoring transmitters |
| Front panel layout | 8 channel status LEDs, global RUN green / FAULT red indicator, 4-row screw terminal blocks for field voltage wiring, module lock latches |
| Causes | Wrong hardware definition loaded in Control Builder M software, incompatible firmware revision with host AC800M controller |
| AI880A | System 800xA general analog input module (limited hazardous zone certification) |
| AI835 | Symphony Plus multi-channel analog input substitute without high precision 24-bit ADC |
| Power | 14 W full |
| Channels | 8 channel |
| Channels 2 | 4-channel |
| Resolution | 24-bit ADC |
| Resolution 2 | 24-bit Sigma |
| Redundancy | and redundant |
| Redundancy 2 | CI854A) Redundant |
| Origin | Germany / Original |
| Condition | New Original Factory Sealed |
| Warranty | 12 Months |
| Shipping | Global Delivery via DHL/FedEx/UPS |