Product Overview
The ABB DI803 is a robust 8-channel digital input module engineered for the S800 I/O system. It accepts 230 V a.c./d.c. signals, making it a versatile choice for high-voltage sensing in demanding industrial environments. Each of the eight inputs is individually isolated, providing enhanced protection and reliability. With a compact S800L mechanical design, the DI803 integrates seamlessly into existing ABB control architectures.
Key Features & Benefits
- 8 channels for 230 V a.c./d.c. inputs with current sinking
- Individually isolated channels for superior noise immunity
- Voltage supervision of field input power
- Input status indicators for quick diagnostics
- Signal filtering (selectable 2, 4, 8, or 16 ms)
- Process connection via detachable connectors
Technical Specifications
| Parameter |
Value |
| Article Number |
3BSE022362R1 |
| Signal Specification |
230 V a.c., 220 V d.c. |
| Number of Channels |
8 |
| Input Voltage Range ("0") |
0..50 V a.c., 0..40 V d.c. |
| Input Voltage Range ("1") |
164..264 V a.c., 175..275 V d.c. |
| Input Impedance |
30 kΩ (a.c.), 134 kΩ (d.c.) |
| Input Frequency Range |
47..63 Hz |
| Filter Times (digital, selectable) |
2, 4, 8, 16 ms |
| Analog Filter On/Off Delay |
5 / 28 ms |
| Maximum Field Cable Length |
200 m (a.c.), 600 m (d.c.) |
| Rated Insulation Voltage |
250 V |
| Dielectric Test Voltage |
2000 V a.c. |
| Power Dissipation |
Typ. 2.8 W |
| Current Consumption +5 V Modulebus |
50 mA |
| Supported Wire Size (Solid) |
0.05-2.5 mm², 30-12 AWG |
| Supported Wire Size (Stranded) |
0.05-1.5 mm², 30-12 AWG |
| Recommended Torque |
0.5-0.6 Nm |
| Stripping Length |
6-7.5 mm, 0.24-0.30 inch |
| Operating Temperature |
0 to +55 °C |
| Storage Temperature |
-40 to +70 °C |
| Protection Class |
IP20 |
| Dimensions (W x H x D) |
86.1 x 110 x 58.5 mm |
| Weight |
0.24 kg |
Applications
The ABB DI803 excels in high-voltage input sensing across various sectors. In manufacturing, it monitors 230 V a.c. limit switches and relay contacts. For power distribution, it reads 220 V d.c. status signals from circuit breakers. The module's individual isolation prevents ground loops, ensuring accurate readings even in electrically noisy environments—critical for process control in chemical plants.
Installation & Setup
Mount the DI803 on a standard S800L rail. Connect field wiring using detachable connectors, respecting the torque and stripping length guidelines (0.5-0.6 Nm, 6-7.5 mm). Ensure the input voltage stays within the specified ranges. For a.c. inputs, use shielded cables up to 200 meters; for d.c. inputs, up to 600 meters. Set the digital filter time via the configuration tool to match your signal characteristics.
Maintenance & Reliability
Routine inspection of the front LEDs—Status (run/fault) and Channel indicators—allows quick health checks. The module supervises process voltage on channel 8, flagging Module Error, Module Warning, or Channel Error. With no moving parts and a wide operating temperature range (0 to +55 °C), the DI803 requires minimal upkeep. Its robust EMC compliance (EN 61000-6-4 and EN 61000-6-2) ensures stable operation in harsh industrial settings, reducing unplanned downtime.
Compatibility & Integration
Designed for the ABB S800 I/O system, the DI803 integrates with ABB controllers via the Modulebus. It supports both a.c. and d.c. signals, making it a flexible choice for mixed-signal environments. The module is CE marked and carries marine certifications (ABS, BV, DNV, LR), suitable for shipboard automation.
Selection Guide
Before ordering, verify your system's input voltage and channel count. The DI803 fits applications needing 8 isolated high-voltage inputs. For reliable sourcing, PLC Source PRO offers genuine ABB DI803 modules with full traceability. Ensure your S800 base unit supports the DI803's power requirements (50 mA at +5 V).