ABB 3BSE008550R1 DI821
DI821 digital input module
Image is for illustrative purposes only. Please refer to product description.
Delivery options
DI821 (3BSE008550R1) is an ABB S800 digital input module with 8 channels. Signal specification: 230 V a.c., 220 V d.c..
- Manufacturer
- ABB
- Manufacturer part no.
- 3BSE008550R1
- Model
- DI821
- Product family
- S800 I/O Modules
- Type
- Digital input module
- Category
- PLCs and I/O › Digital I/O modules
- Lifecycle
- To be confirmed
- OEM successor
- Not stated
- Technical datasheet
- Data sheet
Technical specifications
- Manufacturer
- ABB
- Manufacturer part no.
- 3BSE008550R1
- Type
- Digital input module
- Application
- Reads discrete field signals for control-system monitoring.
- Used with
- TU811, TU813, TU831, TU839, TU851
- Module model
- DI821
- Article number
- 3BSE008550R1
- Type
- Digital Input
- Number of channels
- 8
- Signal specification
- 230 V a.c., 220 V d.c.
- Signal type
- Current sinking
- HART
- No
- SOE
- No
- Redundancy
- No
- High integrity
- No
- Intrinsic safety
- No
- Isolation
- Individually isolated channels
- Input impedance
- 21 kΩ (a.c.) / 134 kΩ (d.c.)
- Current limiting
- Sensor power can be current limited by the MTU
- Power dissipation
- Typ. 2.8 W
- Current consumption +5 V Modulebus
- 50 mA
- Current consumption +24 V Modulebus
- 0
- Current consumption +24 V external
- 0
- 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)
- Relative humidity
- 5 to 95 %, non-condensing
- Protection class
- IP20 according to IEC 60529
- Use with MTU
- TU811, TU813, TU831, TU839, TU851
- Keying code
- AC
- Width
- 45 mm
Show all 33 specificationsShow fewer
- Height
- 119 mm
- Depth
- 102 mm, 111 mm including connector
- Weight
- 0.18 kg
Technical documents (1)
Key features
- 8 digital input channels
- Signal range: 230 V a.c., 220 V d.c.
- Isolation: Individually isolated channels
- Redundancy: No
- HART: No
About the ABB 3BSE008550R1
DI821 (3BSE008550R1) is an ABB S800 digital input module with 8 channels. Signal specification: 230 V a.c., 220 V d.c.. The module uses the S800 mechanical format. ABB lists individually isolated channels isolation. Order number 3BSE008550R1 identifies this module variant; the model name and revision should be checked together before replacement.
What is the 3BSE008550R1 used for?
Reads discrete field signals for control-system monitoring.
Lifecycle and successor
To be confirmed.
Before you order
What to photograph or confirm so the right unit is quoted.
Confirm both DI821 and order number 3BSE008550R1, hardware revision, installed controller and I/O configuration. Match signal range, channel wiring, termination unit and keying. Confirm redundancy or safety requirements against the OEM system documentation; related modules are not automatically interchangeable.
Other parts in the ABB S800 I/O family
Listed for reference. They differ from the 3BSE008550R1 in rating, supply, interface or function and are not interchangeable with it unless ABB says so. Match the part number on your unit.
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