The ABB 07AI91 GJR5251600R0202 is a high-precision analog input module for Advant OCS systems. It features 16-bit resolution across 8 differential channels, supporting current, voltage, and RTD signals for industrial process control.
The ABB 07AI91, identified by part number GJR5251600R0202, functions as a high-density analog input interface. This module primarily serves the Advant OCS and CS31 decentralized automation systems. It enables controllers to interface with various field sensors by converting analog signals into digital data. Because it supports multiple signal types, this module provides great flexibility for complex process monitoring.
| Technical Parameter | Specification Value |
| Model Number | 07AI91 |
| Order Code | GJR5251600R0202 |
| Input Channels | 16 Single-ended / 8 Differential |
| Signal Resolution | 16-Bit (including sign) |
| Input Signal Types | 0-20mA, 4-20mA, Voltage, RTD |
| Supply Voltage | 24 V DC (nominal) |
| Accuracy | ±0.1% of span |
| Operating Temperature | -25°C to +60°C |
Standard DIN rail mounting allows for quick integration into existing control cabinets. The 07AI91 communicates via the CS31 system bus to deliver real-time data to the master station. Its robust design facilitates reliable operation in harsh industrial climates. Additionally, the unit features diagnostic LEDs for rapid status verification and troubleshooting.
Industrial facilities use this analog module for temperature, pressure, and flow rate monitoring. It effectively serves power plants, water treatment facilities, and manufacturing lines. The module specifically excels in environments requiring high-speed data acquisition and long-term stability. Consequently, it remains a preferred choice for critical infrastructure automation.
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