The ABB HIEE305082R0001 UNS-0863A-P digital I/O card functions as a PC board module for industrial rack systems. This unit provides balanced input and output capabilities for diverse control applications. The card plugs directly into standard Eurocard backplanes for seamless system integration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Digital I/O PC board |
| Model Code | UNS-0863A-P |
| Form Factor | Eurocard (6U x 4HP) |
| Digital Inputs | 16 x 24V DC (sink/source) |
| Digital Outputs | 16 x 24V DC / 0.5A (transistor) |
| Total I/O Channels | 32 channels |
| Input Current | 6 mA per channel (typical) |
| Output Protection | Short-circuit, overcurrent (1A limit) |
| Isolation | 500V DC (optocoupler per I/O group) |
| Dimensions (W x H) | 233 x 160 mm (6U Eurocard) |
| Depth | 25 mm (including components) |
| Weight | 0.55 kg |
| Backplane Connector | 96-pin DIN 41612 (Type C, male) |
| Internal Components | 16 x optocouplers, 8 x driver ICs, 2 x shift registers, 1 x watchdog timer |
| Buffer Memory | 128 bytes (FIFO for I/O data) |
| I/O Addressing | 32 bytes allocated in I/O space |
| Power Supply | 5V DC (backplane), 24V DC (field) |
| Power Consumption | 5V / 200 mA, 24V / 80 mA (no load), 24V / 500 mA (full load) |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Protection Class | IP00 (board level) |
| Mounting | Rack backplane (plug-in) |
| Approvals | CE, UL, CSA |
Balanced I/O Configuration for Versatile Control
The ABB HIEE305082R0001 UNS-0863A-P provides 16 digital inputs and 16 digital outputs in one card. This balanced configuration suits applications requiring equal sensing and actuation capabilities. The inputs accept 24V DC signals from a wide range of field devices. The outputs drive loads up to 0.5A per channel for direct actuator control.
Eurocard Form Factor for Rack Integration
This digital I/O card follows the standard 6U Eurocard format with 160mm height. The 233mm width accommodates high-density component placement on the board. A 96-pin DIN 41612 Type C connector provides the backplane interface. Users can insert the card into any compatible rack system without modifications.
Per-Channel Optocoupler Isolation
Optocouplers provide 500V DC isolation for each input and output group. This isolation separates the field wiring from the backplane logic circuits. Sixteen optocouplers protect the inputs from electrical noise and transients. Eight driver ICs handle output switching while maintaining the isolation barrier.
Fast I/O Data Handling with FIFO Buffering
The card incorporates 128 bytes of FIFO buffer memory for I/O data management. This buffer prevents data loss during high-speed communication with the host processor. Two shift registers handle serial-to-parallel conversion for efficient data transfer. The module allocates 32 bytes in the system I/O address space.
Watchdog Timer for System Safety
An on-board watchdog timer monitors the backplane communication activity. This timer resets the card if it detects a loss of communication with the host. The watchdog ensures the I/O card does not hold invalid output states during system faults. The timer automatically re-arms upon恢复正常 communication.
Low Power Consumption for Dense Racks
The ABB HIEE305082R0001 UNS-0863A-P draws 200 mA from the 5V backplane supply. Field power consumption ranges from 80 mA at no load to 500 mA at full output load. This moderate power draw allows dense packing of multiple cards in a single rack. The board operates reliably across 0°C to +60°C ambient temperatures.
Details
| Weight | 0.91 kg |
|---|---|
| Dimensions | 110 × 55 × 90 mm |
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