GE Fanuc IC698PSA350D Redundant Power Monitor Module with Diagnostics

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Product Overview:
The GE Fanuc IC698PSA350D is the diagnostic-enhanced version of the IC698PSA350 redundant power monitor. The “D” suffix stands for Diagnostics. This module provides all the functions of the PSA350 but adds extended diagnostic capabilities, including per-rail current monitoring, detailed event logging, and predictive failure analysis. It is the highest level of power monitoring available for the 90-70 platform.

Technical Specifications:
Series: GE Fanuc 90-70 Genius I/O Diagnostic Series
Monitored Rails: Primary and Secondary 24V DC (Redundant)
Current Monitoring: Per-rail current sensing (0 to 10A range)
Voltage Accuracy: ±0.1%
Diagnostic Data: Sends > 50 status words to CPU per scan
Alarm Output: 2 Form C relays (One for voltage alarm, one for current/redundancy alarm)
Backplane: VMEbus
Operating Temperature: -10°C to +70°C (Extended range)

Functional Features:
Per-Rail Current Monitoring: Unlike the PSA350, this module measures the actual current draw on each power rail, enabling load balancing analysis.
Predictive Diagnostics: Tracks voltage and current trends over time, allowing the CPU program to predict power supply failure before it happens.
Event Logging: Stores the last 10 power events (switchovers, voltage sags, current spikes) in non-volatile memory, readable by the CPU.
Dual Relay Outputs: Separate relays for voltage alarms and redundancy/current alarms, allowing different external responses.
Extended Temperature Range: Operates reliably from -10°C to +70°C, suitable for outdoor or unheated enclosures.
Enhanced CPU Communication: Provides detailed diagnostic data structures compatible with GE Proficy Machine Edition.

Performance Parameters:
Current Accuracy: ±1% of full scale
Diagnostic Update Rate: Every 10ms
Event Log Capacity: 10 events with timestamps
MTBF: > 250,000 hours
Isolation: > 1000V DC between rails and backplane

Material Composition:
Housing: Die-cast aluminum with conformal coating for humidity resistance
PCB: 6-layer FR-4 high-Tg with isolated analog and digital sections
Current Sensor: Hall-effect current transducer for non-invasive sensing
Relays: 2x Form C relays, gold-plated contacts, silver-tin oxide for current switching

Structural Features:
Form Factor: Standard GE 90-70 module, approximately 40mm wide
Front Panel: PRI OK, SEC OK, ALARM1, ALARM2, DIAG (Yellow) LEDs
Rear Panel: Two current sense terminals, two voltage sense terminals, VMEbus, dual relay terminals