FBM202 P0926EQ analog output module

The FBM202 P0926EQ is a high-performance analog output module developed by Foxboro (now part of Schneider Electric) for its I/A Series Distributed Control System (DCS). It is designed to convert digital control signals from the DCS into precise analog outputs, driving field actuators, valves, and regulators to implement real-time process control. Below is its detailed information:

1. Core Functions

Precise Analog Signal Output: Converts digital control commands from the DCS into standard industrial analog signals (4-20mA current or 0-10V voltage) to control the operation of field devices such as control valves and variable-frequency drives (VFDs).
Output Signal Protection: Integrates overcurrent and short-circuit protection circuits to prevent module damage or device burnout caused by abnormal loads (e.g., shorted output lines).
Real-Time Status Feedback: Transmits output channel status (e.g., actual current/voltage value, fault state) back to the DCS, enabling operators to monitor whether control commands are executed accurately.
Fault Diagnostics: Monitors module power supply stability, output circuit integrity, and signal overloads in real time. Abnormalities trigger local LED alarms and upload diagnostic data to the DCS for quick troubleshooting.

2. Technical Specifications

Category	Specific Parameters
Output Channels	8 independent analog output channels (supports simultaneous signal output).
Supported Signal Types	- Current: 4-20mA DC (sink/source configurable)- Voltage: 0-10V DC, ±5V DC (optional, depending on configuration)
Output Resolution	16-bit (ensures fine adjustment of control signals, e.g., 0.01mA increments for 4-20mA).
Output Accuracy	±0.05% of full scale (at 25°C; temperature drift: ±50ppm/°C).
Load Capacity	- Current output: Maximum 500Ω (for 4-20mA)- Voltage output: Minimum 1kΩ (for 0-10V).
Isolation Performance	- Channel-to-channel isolation: 1500V AC (1 minute)- Module-to-DCS backplane isolation: 2500V AC (1 minute).
Power Supply	24VDC ±10% (typical power consumption: ≤4W).
Operating Temperature	-40°C to 70°C (suitable for harsh industrial environments like petrochemical plants and power stations).