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ABB DO571 S500-eCo 8-Channel Relay Digital Output Module

ABB / PLC
S500-ECO
DO571
ABB DO571 is an S500-eCo digital output module with eight normally open relay channels arranged in two galvanically isolated groups.
Output channels
8 relay outputs
Grouping
2 isolated groups
Contact type
Normally open
Confirm load category, external fuse and suppression components, terminal block and common supply before wiring.
Channel ratingUp to 2 A
Process supply24 V DC
ONE YEAR WARRANTY
FAST DELIVERY
WORLDWIDE SHIPPING
FAST RESPONSE
Inquire Now
  • Worldwide delivery
  • Delivery from stock
  • In stock really means in stock
  • No account required
  • Shipped from the China
Product Specifications
Manufacturer ABB
Item number DO571
Country of Origin Germany
Lead Time 2-3 DAYS
After-Sales Support For after-sales support, please contact May.
HS Code / Commodity code 85389091
FAQ

Quotes are valid for 30 days from the day the quote is received unless stated otherwise at the time of quotation.

Yes,we offer one year warranty for all new products.

Yes. We worked with FEDEX/DHL/TNT/UPS/ allowing us to provide swift global delivery of parts to any corner of the world.

Normally 3-5 working days,some remote areas 5-7 days more.

Product information
01
RELAY OUTPUT ENVELOPE
Eight relay contacts for approved DC and AC field loads.
ABB contact limits vary by voltage and load duty, so the module rating must be read with the external protection requirements.
Relay outputs01
8 normally open
Output groups02
2 groups of 4
Rated load voltage03
24 V DC / 24 V AC / 120–240 V AC
Resistive load current04
2 A per channel
Pilot duty at 240 V AC05
1.5 A
Maximum group current06
8 A
Typical switching delay07
10 ms
Contact life08
100,000 cycles at rated load
Lamp load at 230 V AC09
200 W
Lamp load at 24 V DC10
30 W
Output data length11
1 byte
Module power dissipation12
2.0 W
Output terminal
11-pin block, separate
Country of origin
Germany
Module weight
Approx. 0.150 kg
Official lifecycle
Active
ORDER REVIEW
Verify contact voltage, load duty, group current, external fuse, suppression and terminal-block style before ordering.
02
FIELD PROTECTION
Protection and wiring decisions around each relay group.
The relay contacts rely on external circuit protection and load-specific suppression for dependable operation.
 
Fuse coordination
01
Use the specified fast protection externally and keep each group within its permitted total current.
 
Inductive loads
02
Install suppression matched to the actuator to control voltage peaks when inductive loads switch off.
 
Phase discipline
03
When higher AC voltages are used, all relay outputs must be supplied from the same phase.
 
Configuration source
04
The I/O-bus master transfers parameterization to the module during station power-up.
Short-circuit protection
External
Parallel contacts
Not permitted
Shielded cable
Up to 500 m
Unshielded cable
Up to 150 m
Q1
Which terminal blocks can be used with ABB DO571?
ABB lists the 11-pin TA563-11, TA564-11 and TA565-11 terminal blocks. They are ordered separately, with screw or spring and cable-entry options selected for the panel.
Q2
Does ABB DO571 include short-circuit and overload protection for the relay contacts?
No. ABB specifies external protection because the outputs are not short-circuit or overload protected. A suitable fast fuse or circuit breaker must be coordinated with the load.
Q3
Can ABB DO571 switch inductive actuators?
Approved inductive loads require external demagnetization or spark suppression selected for the actuator. The exact current and switching frequency must remain within ABB limits.
Q4
Can ABB DO571 be used in both central and distributed I/O?
ABB documents centralized use with AC500 CPUs and decentralized use with supported S500 communication interfaces, except the stated incompatible high-availability CS31 configuration.
Q5
Does ABB DO571 need software re-parameterization after a like-for-like exchange?
The module receives its parameter data from the I/O-bus master at power-up. A like-for-like exchange does not store configuration locally, but the station must be safely power-cycled and verified.
Q6
What should be included in an ABB DO571 quotation and manual request?
Provide order code 1TNE968902R2202, terminal-block type, contact voltage, load category, quantity, destination and required delivery date so the offer matches the application.
04
ABOUT OUR COMPANY
Global automation sourcing backed by experienced support.
Experience, broad sourcing capability and responsible service support projects from a single replacement part to wider automation requirements.
Industrial automation warehouse and inventory
Our company warehouse for industrial automation products.
01
Years of Global Experience
With 20+ years of industry experience, we serve customers worldwide and have built long-term relationships across the UK, Russia, UAE, India, Venezuela, and more.
02
Professional Support Team
Our experienced team provides reliable pre-sales and after-sales support, helping customers select suitable products and resolve purchasing concerns.
03
Wide Range of Brands
We supply leading automation brands covering PLCs, DCS, I/O modules, drives, motors, power supplies, communication modules, and more.
04
Large In-Stock Inventory
A wide range of products is available from stock, including discontinued, obsolete, and hard-to-find parts, helping reduce sourcing time.
05
Honesty & Trust
We value long-term cooperation and treat every customer with honesty, respect, responsibility, and care.
06
Your Trusted Automation Partner
From a single replacement part to complete automation projects, we are ready to support your needs and build a long-term partnership.
05
WHY WORK WITH US
Reliable service for international automation purchasing.
Product range, responsive service, quality checks, fast delivery and secure packaging support dependable international purchasing.
01
Thousands of suppliers and a wide range of products allow you to experience a one-stop shop.
02
The highest quality product.
03
Most products have a warranty period of up to one year, and any quality issues will be refunded at our expense. Each item undergoes rigorous testing before delivery.
04
Our sales personnel provide you with over 10 hours of service and promptly respond to your inquiries.
05
Quickly deliver all products within 1-3 days after placing an order. Most goods will be delivered to you in a timely manner through DHL's fastest service.
06
Good packaging ensures transportation safety and greatly saves transportation costs.
06
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VERIFY exact part numbers
CONSOLIDATE mixed requirements
COORDINATE sourcing and delivery
REQUEST A QUOTE
Start inquiry about ABB DO571.
Include the model, nameplate, quantity, destination and required delivery date.

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