Product Description
ABB Digital Input Module Overview
The Digital Input Module (3BSE008508R1) is part of ABB’s S800 I/O system, providing reliable and isolated input channels for 24 V DC signal acquisition. With advanced diagnostic capabilities and robust environmental certifications, it is suitable for industrial applications requiring precision and safety.
Features and Benefits
-
16 Channels:
- Designed for 24 V DC current sinking inputs.
- Two isolated groups of 8 channels, each with voltage supervision.
-
Robust Diagnostics:
- Channel status indication via LEDs.
- Process voltage supervision provides error signals in case of voltage loss.
-
High Reliability:
- Integrated components for current limiting and EMC protection.
- Optical isolation ensures signal integrity.
-
Compatible with Multiple MTUs:
- TU810, TU812, TU814, TU818, TU830, TU833, TU838, TU850.
Technical Specifications
Signal and Channel Specifications
| Parameter | Details |
|---|---|
| Signal Specification | 24 V DC |
| Number of Channels | 16 |
| Signal Type | Current sinking |
| Input Voltage Range ("0") | -30 to +5 V |
| Input Voltage Range ("1") | 15 to 30 V |
| Input Impedance | 3.5 kΩ |
| Filter Times | 2, 4, 8, 16 ms (selectable) |
Isolation and Protection
| Parameter | Details |
|---|---|
| Isolation | Groupwise isolated, 2 groups of 8 |
| Rated Insulation Voltage | 50 V |
| Dielectric Test Voltage | 500 V AC |
| Protection Class | IP20 (IEC 60529) |
Power and Consumption
| Parameter | Details |
|---|---|
| Power Dissipation | Typical 1.8 W |
| +5 V ModuleBus Current | 50 mA |
| +24 V ModuleBus Current | 0 |
Diagnostics and Indicators
-
Front LEDs:
- F(ault), R(un), W(arning), and individual channel status (1-16).
-
Supervision:
- Process voltage monitoring with error signals for each group.
- Module error, module warning, and channel error indications.
Environmental and Certification
| Parameter | Details |
|---|---|
| Operating Temperature | 0 to +55 °C (+32 to +131 °F) |
| Storage Temperature | -40 to +70 °C (-40 to +158 °F) |
| Relative Humidity | 5 to 95%, non-condensing |
| Corrosion Protection | ISA-S71.04: G3 |
| Marine Certification | ABS, BV, DNV, LR |
| EMC Compliance | EN 61000-6-4, EN 61000-6-2 |
| Safety Standards | EN 61010-1, UL 61010-1 |
Physical Dimensions
| Parameter | Details |
|---|---|
| Width | 45 mm (1.77 in.) |
| Depth | 102 mm (4.01 in.), 111 mm (4.37 in.) |
| Height | 119 mm (4.7 in.) |
| Weight | 0.15 kg (0.33 lbs.) |
Applications
- Industrial automation systems requiring reliable digital signal processing.
- Applications where fault diagnostics and group isolation are critical.
- Use in harsh environments, with certifications for marine and hazardous locations.