- Model: MVI69E-AFC
- Brand: ProSoft Technology
- Series: CompactLogix 1769 Enhanced MVI69E
- Core Function: Dedicated flow calculations for up to 12 meter runs, 64 streams total
- Product Type: Enhanced liquid and gas flow computer module
- Key Specs: 500 mA @ 5 VDC | 1 Ethernet port | 2 serial Modbus ports | 0 °C to 60 °C
- Condition: New Original (New Surplus) — verify test reports and accessories with supplier
Product Introduction
ProSoft MVI69E-AFC is a CompactLogix in-rack enhanced flow computer module that performs AGA/API/ISO liquid and gas flow calculations independent of the PLC processor. It handles up to 12 meter runs with 64 total streams, pulling process inputs from distributed I/O over Rockwell networks while maintaining custody transfer accuracy.
The module acts as a co-processor with dedicated 30 ms scan times, supports Modbus TCP/serial for SCADA access, hourly/daily archiving compliant with QTR standards, and event logging for auditability. Dual serial ports permit flexible Modbus Master/Slave operation alongside Ethernet configuration and diagnostics.
Frequently Asked Questions
Q: Does the MVI69E-AFC support hot-swapping in a CompactLogix rack?
A: At 500 mA @ 5 VDC it follows standard 1769 single-slot rules, so live insertion/removal works if your chassis and power supply meet Rockwell’s distance rating of 4. From an operational standpoint, treat it as a planned outage: pulling the card halts all flow calculations and archive updates across 12 meter runs, which affects billing and reporting. Confirm 5 V margin and process safe-state procedures before approving any live work.
Q: Is the MVI69E-AFC obsolete, and are there direct replacements?
A: The MVI69E-AFC remains the active enhanced flow computer for CompactLogix; it supersedes the original MVI69-AFC with more meter runs, faster scans, IP-based comms, and expanded archiving. No immediate drop-in successor exists, but verify ProSoft’s current lifecycle status since firmware updates add new standards. For ControlLogix users, the MVI56E-AFC provides equivalent functionality in 1756 racks.
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