1PC used 100% tested PN-491477 Allen-Bradley High-Density Digital I/O Expansion Board, exclusively designed for PowerFlex 755T/758 AC drives (250–1500 kW, 400–690 VAC)#QYM001
1PC used 100% tested PN-491477 Allen-Bradley High-Density Digital I/O Expansion Board, exclusively designed for PowerFlex 755T/758 AC drives (250–1500 kW, 400–690 VAC)#QYM001
| Parameter | Technical Value |
|---|---|
| Part Number | PN-491477 (Spare Kit: SP-502381) |
| Product Type | High-Density Digital I/O Expansion Board |
| Primary Compatibility | PowerFlex 755T/758 AC Drives (250–1500 kW, 3-phase 400–690 VAC); CompactLogix 5480 PLCs |
| Logic Power Supply | 24 VDC (±10% tolerance), 1.2 A max current draw |
| Digital Inputs (DI) | 32 channels (sinking/sourcing configurable, 24 VDC); dry/wet contact compatible; response time <1 ms |
| Digital Outputs (DO) | 16 channels (transistor outputs, 24 VDC); 2 A per channel max load; short-circuit protected |
| Input/Output Isolation | 3000 VAC (field circuits to drive logic); 2500 VAC (channel-to-channel isolation) |
| Communication Interface | Drive Local Bus (DLB) for real-time data exchange with MCB; Ethernet/IP pass-through for PLC integration |
| Protection Features | ESD protection (±15 kV air / ±8 kV contact); reverse polarity protection; overcurrent limiting; thermal shutdown (80°C threshold) |
| Operating Temperature | 0–60°C (32–140°F); Storage Temperature: -40–85°C (-40–185°F) |
| Humidity Tolerance | 5%–95% RH, non-condensing |
| Vibration Resistance | 5–500 Hz, 2 g RMS (operational); 10 g RMS (non-operational, shipping/storage) |
| Mounting Type | Drive-chassis integrated mount (6 M6 screws); compatible with PowerFlex 755T/758 cabinet frames |
| Certifications | CE, UL Listed, cUL Certified, RoHS 2 Compliant |
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