1. General Information

• Manufacturer: Reliance Electric (Rockwell Automation)

• Part Number: 0-50040 (non-R version, early standard)

• Product Line: SealPak (50000-series sealed DC drive control system)

• Type: Auxiliary Power Distribution & Signal Conditioning Interface Card

• Function: Provides regulated secondary voltages, analog/digital signal buffering/isolation, and fault monitoring for the SealPak rack.

• Status: Obsolete/Discontinued (repair/surplus only)

• Compatibility: Directly compatible with 0-50001-2R, 0-50004-R, 0-50005-R in standard SealPak slots.

2. Electrical Specifications

Input Power (from 0-50010-R main supply)

• Input Voltage: +24 VDC ±10% (backplane bus)

• Power Consumption: ≤ 8 W

Output Power (to system sub-cards)

• +5 VDC / 3 A: For digital logic, LEDs, relays

• ±15 VDC / 1 A: For analog circuits, op-amps, signal conditioning

• Isolation: 1500 VAC (input-to-output, ground-loop immunity)

Analog I/O Interface

• Analog Inputs: 4 differential channels, ±10 VDC range

• Analog Outputs: 2 single-ended channels, ±10 VDC range

• Signal Conditioning: RC filtering, overvoltage clamping, ESD protection

Digital I/O Interface

• Digital Inputs: 8 channels, optically isolated, 24 VDC logic (18–30 VDC)

• Digital Outputs: 4 channels, relay dry contacts, 24 VDC / 1 A (resistive)

• Isolation: 2500 VAC (digital I/O-to-logic ground)

Protection Features

• Overvoltage, reverse polarity, short-circuit protection

• On-board self-resetting fuses

• Thermal overload shutdown

3. Mechanical & Environmental

• Mounting: Standard SealPak slot-mount (slide-in + front locking screw)

• Dimensions (L×W×H): 279 × 216 × 178 mm (11.0 × 8.5 × 7.0 in)

• Weight: ≈ 1.2 kg (2.6 lbs)

• Operating Temperature: 0°C to 55°C (32°F to 131°F)

• Storage Temperature: -25°C to 65°C (-13°F to 149°F)

• Humidity: 5%–95% non-condensing

• Coating: Conformal coated PCB (dust/moisture/corrosion resistance)

• Enclosure: Sealed industrial-grade (suitable for steel, paper, mining)

4. Key Features

1. Multi-Voltage Regulation: Converts rack +24 VDC to +5 V, ±15 V for all control cards.

2. Dual Signal Isolation: Provides 1500 VAC (power) and 2500 VAC (digital I/O) isolation for noise immunity.

3. Fault Monitoring & Alarm: Built-in voltage sensing triggers Fault LED and relay on power anomalies.

4. Plug-and-Play Compatibility: Drop-in replacement for all SealPak 50000-series racks.

5. Typical System Configuration (SealPak Rack)

• 0-50010-R: Main Power Supply (AC → +24 VDC)

• 0-50001-2R: Main Control Card (logic, speed/current loop)

• 0-50004-R: DC Amplifier Card (armature/field drive)

• 0-50005-R: Isolated I/O Card (field sensor/actuator interface)

• 0-50040: Auxiliary Power & Signal Interface Card (this unit)