ABB DI821 3BSE008550R1 Digital Input Module

Overview

The ABB DI821 3BSE008550R1 is an 8-channel digital input module for the S800 I/O system. It supports both 230 V a.c. and 220 V d.c. signals with individually isolated inputs. This module is ideal for high-reliability industrial applications.

General Information

• Article Number: 3BSE008550R1

• Type: Digital Input

• Signal Specification: 230 V a.c., 220 V d.c.

• Number of Channels: 8

• Signal Type: Current sinking

• HART: No

• SOE: No

• Redundancy: No

• High Integrity: No

• Intrinsic Safety: No

• Mechanics: S800

Electrical Specifications

• 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: 21 kΩ (a.c.) / 134 kΩ (d.c.)

• Isolation: Individually isolated channels

• Filter Times (Digital, Selectable): 2, 4, 8, 16 ms

• Input Frequency Range: 47–63 Hz

• Analog Filter On/Off Delay: 5 / 28 ms

• Current Limiting: Sensor power can be limited by MTU

• 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

• +24 V Modulebus: 0

• +24 V External: 0

Diagnostics

• Front LEDs: F(ault), R(un), W(arning), Channel 1–8 Status

• Supervision: Process voltage, Channel 1 & 8 per group

• Status Indication: Module Error, Module Warning, Channel Error

Environment & Certification

• CE Mark: Yes

• Electrical Safety: EN 61010-1, UL 61010-1, EN 61010-2-201, UL 61010-2-201

• Marine Certification: ABS, BV, DNV, LR

• Operating Temperature: 0–55 °C (approvals: +5–55 °C)

• Storage Temperature: -40–70 °C

• Pollution Degree: 2 (IEC 60664-1)

• Corrosion Protection: ISA-S71.04: G3

• Relative Humidity: 5–95%, non-condensing

• Max Ambient Temperature: 55 °C (vertical mounting), 40 °C (compact MTU)

• Protection Class: IP20 (IEC 60529)

• Mechanical Operating Conditions: IEC/EN 61131-2

• EMC: EN 61000-6-4 & EN 61000-6-2

• Overvoltage Categories: IEC/EN 60664-1, EN 50178

• Equipment Class: Class I (earth protected, IEC 61140)

Compatibility

• Use with MTU: TU811, TU813, TU831, TU839, TU851

• Keying Code: AC

Dimensions & Weight

• Width: 45 mm (1.77”)

• Depth: 102 mm (4.01”), 111 mm (4.37” including connector)

• Height: 119 mm (4.7”)

• Weight: 0.18 kg (0.4 lbs)