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ABB TU516 Spring-Terminal I/O Terminal Unit

ABB / AC500 AUTOMATION / TU516

ABB TU516 is an S500 I/O terminal unit for analog and 24 V DC digital modules with front spring terminals. Confirm the inserted I/O module, channel assignment, process-current path and hot-swap requirement before selection.

TERMINAL PROFILE
40 spring terminals
S500 I/O terminal unit
Order number1SAP212000R0001
Product familyAC500 / S500
Terminal technologySpring terminals
LifecycleActive
Order check: match TU516 and 1SAP212000R0001; verify the intended S500 I/O module, 24 V DC process supply, spring-terminal wiring, current load and mounting method.
ONE YEAR WARRANTY  —  FAST DELIVERY  —  WORLDWIDE SHIPPING
  • Worldwide delivery
  • Delivery from stock
  • In stock really means in stock
  • No account required
  • Shipped from the China
Product Specifications
Manufacturer ABB
Item number TU516
Country of Origin Switzerland
Lead Time 2-3 DAYS
After-Sales Support For after-sales support, please contact May.
HS Code / Commodity code Please confirm the destination before shipping.
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
Terminal Unit Identity

Published checkpoints for ABB TU516

A wiring-focused view of the standard spring-terminal base, channel grouping, current path and S500 module interface.

Order number1SAP212000R0001
Product familyAC500 / S500
Terminal technologySpring terminals
LifecycleActive
Official ABB product data

Terminal, channel and mounting specifications

18 verified data points
Product typeI/O terminal unit
Supported modulesAnalog and 24 V DC digital
Terminal typeSpring terminals
Rated voltage24 V DC
Maximum channels32
Channel groups4 groups of 8
Maximum total current10 A
Signal terminals40
I/O bus upstream10-pin male
I/O bus downstream10-pin female
Module connector A2 × 25 pins
Module connector B2 × 19 pins
GroundingDIN rail or mounting screws
Conductor directionFront, vertical to PCB
Weight200 g
Mounting positionHorizontal or vertical
Wiring retentionModule removal without disturbing terminal-unit wiring
Product statusActive
Module boundary

The terminal assignment depends on the inserted S500 I/O module; verify its compatibility table before wiring.

Current boundary

ABB specifies 10 A maximum per separated process-voltage terminal or internal process-voltage connection.

02 · Base Compatibility and Wiring Continuity

Choose the terminal unit as part of the installed assembly.

TU516 preserves field wiring during I/O-module removal, but the correct base depends on module type, current routing and service strategy.

Connection architecture40 spring terminals and two I/O-bus links

Confirm conductor size, process-supply assignment and the upstream/downstream bus direction.

Variant decisionStandard, XC and hot-swap families

TU516-XC and TU516-H variants serve different environmental or maintenance requirements and are separate articles.

Terminal-unit selection path
01
Identify the installed module

Record the S500 I/O module, TU516 label and complete order code.

02
Trace process power

Check UP/ZP routing, 10 A limits, grounding and group assignments.

03
Confirm service needs

Decide whether standard, XC or hot-swap terminal-unit behavior is required.

Selection rule: TU515 uses screw terminals, while TU516 uses spring terminals; TU516-XC and TU516-H are separate variants and must not be treated as automatic replacements for ABB TU516.

Official references: ABB TU516 Product Page · ABB TU515/TU516 Online Help · ABB TU516 Technical Data

03 · FAQ

Wiring and selection answers for ABB TU516

Specifications · Compatibility · Applications · Lifecycle · Manuals · Quotation
01
Which I/O modules can be installed on ABB TU516?

ABB identifies TU516 for analog modules and 24 V DC digital S500 modules; confirm the exact inserted module and its terminal assignment.

02
How does ABB TU516 differ from TU515?

TU516 uses spring terminals, while TU515 is the screw-terminal version. The field wiring method must match the installed base.

03
What channel and current limits apply to ABB TU516?

ABB specifies up to 32 channels in four groups of eight, 24 V DC rated voltage and 10 A maximum total current for the defined process-voltage path.

04
Can an I/O module be replaced without removing wiring from ABB TU516?

Yes. ABB states that the I/O module can be removed from the terminal unit without disturbing the wiring retained on the terminal unit.

05
Are ABB TU516-XC or TU516-H direct replacements for ABB TU516?

They are separate variants for extreme-condition or hot-swap requirements. Verify the application, module compatibility and service method before changing versions.

06
Which details should accompany an ABB TU516 quotation?

Provide the TU516 label, inserted I/O module, terminal photos, UP/ZP wiring, quantity, destination and any XC or hot-swap requirement.

04 · Professional Team

Experience, judgment and patient service.

10+
Years of global experience
Nearly 10 Years of Industry Experience

Our team members have an average of more than 10 years of industry experience. We have worked with customers worldwide, including those from India, Germany, Sweden, Italy, Russia, Venezuela, Israel, and many other countries. Throughout our careers, we have collectively completed over 3,000 orders and established long-term business relationships with customers across nearly 30 countries.

Professional Product Judgment

We can often identify a product’s manufacturer, series, configuration, and function from its model number or nameplate photo. We also understand how revisions, firmware, and specifications affect compatibility and whether an alternative model can be used safely.

In Practice: An Indian customer urgently needed a discontinued control module after several suppliers reported no stock. We identified its exact revision and function from the nameplate, checked compatible alternatives, and contacted factory and warehouse channels to locate matching inventory. After installation, the customer confirmed that the module operated correctly and later asked us to source additional spare parts.
Sincere and Patient Service

Our team treats every inquiry sincerely and answers every question patiently. Even for complex requests, we verify and respond to each detail instead of providing a rushed or uncertain answer.

In Practice: A German customer sent a mixed list of automation products and asked repeated questions about revisions, condition, photos, and delivery. Our team organized the requirements, checked every item, and replied point by point. The customer said our detailed communication made the purchasing decision easier and continued sending us new inquiries.
05 · Why Choose Us

Sourcing support built around speed and clarity.

Six practical commitments, presented without visual clutter.

01Thousands of suppliers and a wide range of products allow you to experience a one-stop shop.
02The highest quality product.
03Most 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.
04Our sales personnel provide you with over 10 hours of service and promptly respond to your inquiries.
05Quickly 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.
06Good packaging ensures transportation safety and greatly saves transportation costs.
06 · Mixed Model Reference

Mixed specialty automation models.

Document-selected references · three-column index

01127610-01
02ABB 2CKA006300A1544 TB/U12.8.1-CG
03LPDN4KKB25XFS
04GE CL45D300MJ
05SR8-Plus-F-AW01
0610-032-N
07SLPC-110*A
086400-2639-01
09FL-601
10DIN-4DIMFLV4
11TCSESM083F2CS0
12EDS-308-SS-SC
13VM0808
14SXWRCF12B10001,RP-C-12B-F-24V
15AB9160A
16CH-HRIO8-D9
17DCL-PRO-SAWU-4-40-PE
18ALF111-S01 S1 FF-H1
19HKJDXTP-EU
203500/42M 140734-01S
21LSC-X21-02I
22MGC-PRO-D-500-0500
23FTDR-M2-WSA
244M320-BA 4M320-BA
25HD-RXC-4KZ-101 M202047002
26416241G1
27CE06260-000000
28KMG-200/2
29911-0010
304590055P
312200-49780-019
32ABB 2CDG110264R0011 SA/S12.16.2.2
33TW-2.0
34S9454BE-7
35C3IR-8 6505641
36FX2202CPD
3720HPA/MBAR PN:05605121
383500/42 128015-08G
39rtu90 IMRCC02
Request a Quote

Ask about ABB TU516.

Send the TU516 label, inserted S500 module, spring-terminal wiring photos, quantity and destination for a matched offer.

Sales contactSales Manager May

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