Overview：
ABB DO840 3BSE020838R1
Digital Output 24V S/R 16 Ch
ABB DO840 3BSE020838R1 Digital Output 24V S/R 16 Ch is a standard 16-channel digital output module belonging to the ABB S800 I/O series.It converts internal control logic signals into switching output signals to drive on-site industrial equipment and actuators. The module's outputs are organized into two groups of eight channels each, capable of single-channel or redundant operation.
It provides 16 independent switching channels with a maximum continuous output current of 0.5A per channel. It is designed for use with various module terminal units, such as the TU810 and TU812.
Function & Features：
- Number of Channels: The ABB DO840 (3BSE020838R1) has 16 channels.
- Output Current: The maximum continuous output current per channel of the ABB DO840 (3BSE020838R1) is 0.5 A. Each output can supply a maximum current of 0.5 A to the load.
- Group Isolation: The 16 outputs are divided into two fully electrically isolated groups, each containing 8 output channels and one voltage monitoring input.
- Output Safety Preset (OSP): When the ABB DO840 (3BSE020838R1) module detects a critical fault, it automatically forces all outputs to a preconfigured state.
Specifications：
| parameter | Details |
|---|---|
| Product Model | DO840 |
|
Part number |
3BSE020838R1 |
|
Type |
Digital Output Module |
|
Product Series |
ABB S800 I/O Series |
|
Number of channels |
16 |
|
Output Type |
24V S/R Relay Output |
|
Operating Temperature |
0℃ to +60℃ |
|
Protection Grade |
IP20 |
|
HS Code |
8538900000 |
|
Signal type |
Current sourcing, current limiting |
|
Width |
45 mm |
|
Depth |
102 mm |
|
Height |
119 mm |
|
Weight |
0.15 kg |
|
Use with MTU |
TU810, TU812, TU814, TU830, TU833, TU842, TU843, TU852 |
Questions & Answers
💡 FAQ
Q: What is the payment method?
A: T/T
Q: Is technical support available?
A: Yes, we have a professional technical team to address technical issues.
Q: What is the warranty?
A: 1 year
Q: What is ABB DO840 3BSE020838R1 used for?
A: ABB DO840 is a 16-channel digital output module with 24V S/R relay output, used for signal output and equipment switching control in ABB S800 I/O and DCS automation systems.
Q: What is the difference between DO840 and 3BSE020838R1?
A: DO840 stands for the product series model, while 3BSE020838R1 is the official factory part number. The two numbers correspond to the same module for system matching and customs declaration.
Q: What is the return and exchange policy?
A: Returns or exchanges are accepted within 7 days of receiving the goods if there are any quality issues, excluding damage caused by human error or misuse.
Q:What are the available shipping methods?
A: FedEx, DHL, UPS, and others.
Contact us
Our address
Room 1904, Building B, Diamond Coast, No. 96 Lujiang Road, Siming District, Xiamen, Fujian, China
Phone Number
+86 18059276824
sales7@nseauto.com
why choose us?
We specialize in providing industrial automation and control solutions, including ABB, GE, Bently Nevada, and other critical DCS/PLC components. Here's why customers trust us for their industrial automation needs:
one-stop solution
professional team
Quality Assurance
After-sales service
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