1. General Information

• Part Number: 0-49025 (also referenced as 49025)

• Manufacturer: Reliance Electric (Rockwell Automation)

• Product Type: CardPak Series Analog Interface Module

• Function: Converts analog signals (±10 VDC / 4–20 mA) for Reliance drive control systems

• Status: Obsolete / legacy; available as new surplus, refurbished, or used

• Application: FlexPak 104/105, CardPak-based DC drives, process control systems

2. Specifications

2.1 Electrical

• Input Signals: ±10 VDC (voltage), 4–20 mA (current)

• Output Signals: Isolated analog/digital for drive regulation board

• Isolation: Opto-isolated, 1500 VACrms

• Power: 115/230 VAC (drive internal supply)

• Resolution: 12-bit analog-to-digital conversion

• Protection: Overvoltage, overcurrent, ESD protection

2.2 Mechanical

• Form Factor: Standard CardPak plug-in PCB

• Dimensions: 190 mm × 120 mm × 30 mm

• Mounting: Inserts into CardPak chassis slot

• Connectors: Edge connector (signal/power), screw terminals for field wiring

3. Features

• Signal Conversion: Analog to isolated digital for noise immunity

• Dual Input Modes: Selectable ±10 VDC or 4–20 mA

• High Isolation: Reduces ground loop interference

• Plug-and-Play: Direct replacement for original 0-49025

• Compatibility: Works with FlexPak 104/105 and CardPak systems

4. Installation

1. Power OFF: Disconnect all AC power to the drive.

2. Access Chassis: Remove drive cover to expose CardPak slots.

3. Insert Module: Align 0-49025 with slot; push firmly until seated.

4. Field Wiring:

   • ±10 VDC: Terminate to TB1 (+), TB2 (–)

   • 4–20 mA: Terminate to TB3 (+), TB4 (–)

5. Restore Power: Apply power; verify no fault LEDs.

6. Configuration: Select input mode via DIP switch (SW1).

5. Troubleshooting

• No Signal Output: Check input wiring, power supply, and DIP switch setting.

• Unstable Readings: Verify shielded cables, grounding, and isolation.

• Overrange Fault: Confirm input signal is within ±10 VDC / 4–20 mA.

• Module Not Detected: Reseat board; inspect edge connector for damage.

6. Availability & Warranty

• New Original: Discontinued by Reliance Electric.

• Supplied As: Refurbished (tested), used (working pull), or new surplus.

• Warranty: Typically 12 months (refurbished); 30–90 days (used)

7. Replacement Notes

• Direct Replacement: 0-49025 is the only direct OEM part for CardPak analog interface slot.

• Cross Reference: No modern drop-in equivalent; use original or refurbished module.