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Keterangan
ABB DO818 3BSE069053R1 Digital Output Module
Configured for 24 VDC transistor output execution in the ABB S800 I/O system, the ABB DO818 3BSE069053R1 (DO818 Digital Output Module) provides direct physical and electrical control of field devices through 32 current sourcing output channels.
Hardware Specifications
Parameter
Specification
Model
DO818 3BSE069053R1
Brand
ABB
Origin
Sweden
Product Type
Digital Output Module
System Platform
ABB S800 I/O
Signal Specification
24 VDC (12 - 32 VDC), 0.5 A
Number of Channels
32
Output Type
Current sourcing, current limiting
Channel Group Isolation
Two isolated groups of 16 channels
Output Load
< 0.32 ohm
Maximum Field Cable Length
600 meters
Rated Insulation Voltage
50 V
Dielectric Test Voltage
500 VAC
Power Consumption
Typical 2.8 W
Current Consumption +5 V ModuleBus
Typical 70 mA
Current Consumption +24 V ModuleBus
0 mA
Current Consumption +24 V External
40 mA
Weight
0.15 kg
Dimensions
4.5 x 11 x 11.8 cm
ABB S800 I/O Output Architecture
The DO818 3BSE069053R1 integrates into the ABB S800 I/O architecture through ModuleBus communication and provides high-density digital output control. Each output channel uses a high-side driver with short-circuit protection, over-temperature protection, EMC protection components, inductive load suppression, and optical isolation from the ModuleBus.
Furthermore, the module divides the 32 outputs into two individually isolated groups of 16 channels. Each group includes a process voltage supervision input to monitor external field supply conditions. The output drivers provide current limiting functions for connected DC loads and maintain controlled switching behavior during field operation.
The ABB S800 platform supports I/O density scaling through modular backplane communication. Therefore, the DO818 enables compact installation for distributed control configurations requiring multiple 24 VDC switching points.
Firmware and ModuleBus Compatibility
The DO818 uses ABB S800 I/O ModuleBus communication for data exchange with the controller system. The module transfers output status information and diagnostic signals through the ModuleBus interface.
In addition, the S800 I/O family provides firmware flash compatibility management through the engineering configuration environment. The DO818 configuration must match the installed controller and I/O system revision requirements.
Frequently Asked Questions
Q: How many output channels does the ABB DO818 3BSE069053R1 provide? A: The DO818 provides 32 digital output channels arranged as two isolated groups of 16 channels.
Q: What output protection functions are included in the DO818 module? A: Each output channel includes short-circuit protection, over-temperature protection, current limiting, EMC protection, and inductive load suppression.
Q: Does the DO818 require an external 24 VDC field supply? A: Yes. The module uses an external 24 VDC process supply for field outputs, with a typical external current consumption of 40 mA.
Field Installation Guidelines
Install the DO818 module on the ABB S800 I/O carrier according to the approved system installation procedure.
Verify that the ModuleBus connection is correctly seated before applying system power.
Confirm field wiring polarity before connecting 24 VDC output devices.
Separate output wiring from high-voltage power cables to reduce electrical interference.
Connect cable shields according to the site grounding standard where shielded field cables are used.
Check output load ratings before energizing connected actuators, relays, or DC devices.
Verify process voltage supervision signals before placing the module into normal operation.
