Specification of ABB 3B3E020508R1 DI801
| Number of Channels | 16 |  |
| Signal Specification | 24V d.c. | |
| Signal Type | Current sinking | |
| Input voltage range, "0" | -30 .. +5 V | |
| Input voltage range, "1" | 15 .. 30 V | |
| Input impedance | 3.5 kΩ | |
| Temperature, Operating | 0 to +55 °C (+32 to +131 °F), approvals are issued for +5 to +55 °C | |
| Temperature, Storage | -40 to +70 °C (-40 to +158 °F) |
More ABB 3BSE020508R1 DI801 Data
| Channel and Input Functions (Core Performance of ABB DI801) | Features 16 digital input channels, supporting simultaneous acquisition of multiple switch signals. Utilizes 24V DC current sink input. Supports dry contact, wet contact, and PNP/NPN sensor inputs. Note: The ABB DI801 (ABB 3BSE020508R1 DI801) is suitable for centralized acquisition of large numbers of switch signals (buttons, limit switches, sensors) in industrial environments. |
| Signal Reliability and Isolation Performance | The 16 channels of the ABB DI801 (3BSE020508R1) are located within the same isolation group, isolated from system ground. Each channel features: optical isolation, current limiting circuitry, and EMC immunity protection. Rated insulation voltage is approximately 50V, with withstand voltage testing up to 500V. Note: The ABB DI801 (3BSE020508R1) effectively improves system immunity and operational stability, making it suitable for complex industrial environments. |
Diagnostic and Monitoring Functions | The ABB DI801 (3BSE020508R1) is equipped with 16 channels, each featuring a status indicator LED (0/1). This ABB DI801 (3BSE020508R1) module includes operation and fault diagnostic indicators. Channel 16 supports voltage monitoring (monitoring input). Description: The ABB DI801 (3BSE020508R1) facilitates on-site debugging and fault location, improving maintenance efficiency. |
| Input Characteristics and Response Performance | Input Logic Range of the ABB DI801 (ABB 3BSE020508R1 DI801): "0": approx. -30～+5V, "1": approx. 15～30V Input Current of the ABB DI801 (ABB 3BSE020508R1 DI801): approx. 6mA (24V) The ABB DI801 (ABB 3BSE020508R1 DI801) supports selectable filtering time (2/4/8/16 ms) Maximum Cable Length of the ABB DI801 (ABB 3BSE020508R1 DI801): up to 600m Note: The ABB DI801 (ABB 3BSE020508R1 DI801) balances anti-interference capability and response speed, suitable for long-distance industrial signal acquisition. |
| Environmental Adaptability and Industrial Grade | Operating Temperature Range of the ABB DI801: approx. -10℃～+50℃ (or higher, up to 55℃) Protection Rating of the ABB DI801: IP20 The ABB DI801 supported Industrial Standards: IEC 61131-2, EMC standards (EN 61000 series) The ABB DI801 holds multiple certifications (ATEX, classification societies, etc.) Note: The ABB DI801 is suitable for harsh industrial environments such as manufacturing, energy, and shipbuilding. |
System Integration and Application Capabilities | The ABB DI801 belongs to the ABB S800 I/O system module and can be seamlessly integrated into DCS (e.g., 800xA) and PLC systems. The ABB DI801 uses detachable terminal connections for easy installation and maintenance. Typical applications of the ABB DI801 include equipment status monitoring, switch input acquisition, and automatic logic control. Note: The ABB DI801 has excellent system compatibility and engineering applicability. |
Features and Benefits of ABB 3BSE020508R1 DI801
1
16 channels for 24 V d.c. inputs with current sinking
2
1 isolated groups of 16 with voltage supervision
3
Input status indicators
4
Process and power connection via detachable connectors
Frequently Asked Questions About ABB 3BSE020508R1 DI801
What is the operational role and control-domain scope of the ABB DI801 within distributed I/O architectures?
The ABB 3BSE020508R1 is a digital-input module designed to interface discrete field signals to control-system backplanes, providing galvanic isolation, status sampling, and diagnostics for distributed automation nodes.
How does ABB DI801 report diagnostic status and what fault-signalling modalities are exposed to the host?
The 3BSE020508R1 DI801 provides channel-level diagnostics, aggregate fault flags, and LED/communication indicators; diagnostic thresholds and reporting behavior (sticky vs. transient) are defined for integration with higher-level diagnostics.
What are the nominal input-channel topologies and electrical-interface characteristics of ABB 3BSE020508R1 DI801?
The DI801 implements multiple digital input channels with defined input circuits (sourcing/sinking), rated voltage ranges, input impedance, and recognition thresholds per channel as specified in the datasheet.
What electromagnetic compatibility (EMC) and immunity characteristics are guaranteed for ABB 3BSE020508R1 DI801 in harsh industrial environments?
The datasheet enumerates conducted/radiated emission limits, immunity to EFT, surge, ESD, and radiated RF per relevant IEC/EN standards applicable to the DI801.
Which isolation barriers and dielectric withstand criteria define the safety envelope of ABB 3BSE020508R1 DI801?
The module specifies channel-to-backplane and channel-to-channel isolation ratings, clearance/creepage distances, and specified AC/DC withstand voltages to meet industrial safety standards.
What are the thermal derating, ambient-operating envelopes, and mean time between failures (MTBF) expectations for ABB 3BSE020508R1 DI801?
Rated operating temperature range, storage conditions, power dissipation, and MTBF/qualification data are provided to guide thermal-design and reliability planning for the DI801.
What are the power-supply requisites and inrush/current-consumption profiles for ABB 3BSE020508R1 DI801 during normal and faulted states?
The datasheet specifies nominal supply voltage, steady-state current draw, inrush behavior, and maximum supply tolerance to ensure the DI801 is powered within-rated envelopes.
Which mechanical mounting, connectorization, and panel-clearance conventions govern integration of 3BSE020508R1 DI801?
The DI801’s mechanical specification covers DIN-rail or cassette mounting, connector pinouts, torque recommendations, and required clearance for serviceability.
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