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Description
SR2B201BDMain Range of product Zelio Logic Product or component type Compact smart relay Complementary Local display With Number or control scheme lines 0240 with ladder programming 0500 with FBD programming Cycle time 690 ms Backup time 10 years at 25 C Clock drift 12 min year at 055 C 6 s month at 25 C Checks Program memory on each power up [Us] rated supply voltage 24 V DC Supply voltage limits 19. 230 V Maximum supply current 100 mA (without extension)
Main
| Range of product | Zelio Logic |
| Product or component type | Compact smart relay |
Complementary
| Local display | With |
| Number or control scheme lines | 0…240 with ladder programming 0…500 with FBD programming |
| Cycle time | 6…90 ms |
| Backup time | 10 years at 25 °C |
| Clock drift | 12 min/year at 0…55 °C 6 s/month at 25 °C |
| Checks | Program memory on each power up |
| [Us] rated supply voltage | 24 V DC |
| Supply voltage limits | 19.2…30 V |
| Maximum supply current | 100 mA (without extension) |
| Power dissipation in W | 6 W without extension |
| Reverse polarity protection | With |
| Discrete input number | 12 conforming to EN/IEC 61131-2 type 1 |
| Discrete input type | Resistive |
| Discrete input voltage | 24 V DC |
| Discrete input current | 4 mA |
| Counting frequency | 1 kHz for discrete input |
| Voltage state 1 guaranteed | >= 15 V for I1...IA and IH...IR discrete input circuit >= 15 V for IB...IG used as discrete input circuit |
| Voltage state 0 guaranteed | <= 5 V for I1...IA and IH...IR discrete input circuit <= 5 V for IB...IG used as discrete input circuit |
| Current state 1 guaranteed | >= 1.2 mA (IB...IG used as discrete input circuit) >= 2.2 mA (I1...IA and IH...IR discrete input circuit) |
| Current state 0 guaranteed | <= 0.75 mA (I1...IA and IH...IR discrete input circuit) <= 0.75 mA (IB...IG used as discrete input circuit) |
| Input compatibility | 3-wire proximity sensors PNP for discrete input |
| Analogue input number | 6 |
| Analogue input type | Common mode |
| Analogue input range | 0...24 V 0...10 V |
| Maximum permissible voltage | 30 V for analogue input circuit |
| Analogue input resolution | 8 bits |
| LSB value | 39 mV for analogue input circuit |
| Conversion time | Smart relay cycle time for analogue input circuit |
| Conversion error | +/- 5 % at 25 °C for analogue input circuit +/- 6.2 % at 55 °C for analogue input circuit |
| Repeat accuracy | +/- 2 % at 55 °C for analogue input circuit |
| Operating distance | 10 m between stations, with screened cable (sensor not isolated) for analogue input circuit |
| Input impedance | 12 kOhm for IB...IG used as analogue input circuit 12 kOhm for IB...IG used as discrete input circuit 7.4 kOhm for I1...IA and IH...IR discrete input circuit |
| Number of outputs | 8 relay |
| Output voltage limits | 24...250 V AC (relay output) 5...30 V DC (relay output) |
| Contacts type and composition | NO for relay output |
| Output thermal current | 8 A for all 8 outputs for relay output |
| Electrical durability | AC-12: 500000 cycles at 230 V, 1.5 A for relay output conforming to EN/IEC 60947-5-1 AC-15: 500000 cycles at 230 V, 0.9 A for relay output conforming to EN/IEC 60947-5-1 DC-12: 500000 cycles at 24 V, 1.5 A for relay output conforming to EN/IEC 60947-5-1 DC-13: 500000 cycles at 24 V, 0.6 A for relay output conforming to EN/IEC 60947-5-1 |
| Switching capacity in mA | >= 10 mA at 12 V (relay output) |
| Operating rate in Hz | 0.1 Hz (at Ie) for relay output 10 Hz (no load) for relay output |
| Mechanical durability | 10000000 cycles for relay output |
| [Uimp] rated impulse withstand voltage | 4 kV EN/IEC 60947-1 and EN/IEC 60664-1 |
| Clock | With |
| Response time | 10 ms (from state 0 to state 1) for relay output 5 ms (from state 1 to state 0) for relay output |
| Connections - terminals | Screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 25...AWG 14) semi-solid Screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 25...AWG 14) solid Screw terminals, 1 x 0.25...1 x 2.5 mm² (AWG 24...AWG 14) flexible with cable end Screw terminals, 2 x 0.2...2 x 1.5 mm² (AWG 24...AWG 16) solid Screw terminals, 2 x 0.25...2 x 0.75 mm² (AWG 24...AWG 18) flexible with cable end |
| Tightening torque | 0.5 N.m |
| Overvoltage category | III conforming to EN/IEC 60664-1 |
| Net weight | 0.38 kg |
Environment
| Immunity to microbreaks | 10 ms |
| Product certifications | GOST UL CSA C-Tick GL |
| Standards | EN/IEC 61000-4-2 level 3 EN/IEC 61000-4-5 EN/IEC 60068-2-27 Ea EN/IEC 61000-4-12 EN/IEC 61000-4-3 EN/IEC 60068-2-6 Fc EN/IEC 61000-4-6 level 3 EN/IEC 61000-4-4 level 3 EN/IEC 61000-4-11 |
| IP degree of protection | IP20 (terminal block) conforming to IEC 60529 IP40 (front panel) conforming to IEC 60529 |
| Environmental characteristic | EMC directive conforming to EN/IEC 61000-6-2 EMC directive conforming to EN/IEC 61000-6-3 EMC directive conforming to EN/IEC 61000-6-4 EMC directive conforming to EN/IEC 61131-2 zone B Low voltage directive conforming to EN/IEC 61131-2 |
| Disturbance radiated/conducted | Class B conforming to EN 55022-11 group 1 |
| Pollution degree | 2 conforming to EN/IEC 61131-2 |
| Ambient air temperature for operation | -20…40 °C in non-ventilated enclosure conforming to IEC 60068-2-1 and IEC 60068-2-2 -20…55 °C conforming to IEC 60068-2-1 and IEC 60068-2-2 |
| Ambient air temperature for storage | -40…70 °C |
| Operating altitude | 2000 m |
| Maximum altitude transport | 3048 m |
| Relative humidity | 95 % without condensation or dripping water |
Offer Sustainability
| Sustainable offer status | Green Premium product |
| REACh Regulation | REACh Declaration |
| EU RoHS Directive | Pro-active compliance (Product out of EU RoHS legal scope) EU RoHS Declaration |
| Mercury free | Yes |
| RoHS exemption information | Yes |
| China RoHS Regulation | China RoHS declaration |
| Environmental Disclosure | Product Environmental Profile |
| Circularity Profile | End of Life Information |
| WEEE | The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins |
Contractual warranty
| Warranty | 18 months |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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4.1 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Five Stars
Format: Paperback
Great Simpsons pass time entertainment
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2016
★★★★★ 5
Accessible and insightful guide to project management
Format: Kindle
"Project Management Mastery" describes the science and art of project management in a highly accessible and insightful way. This guide is written in understandable language for beginners and can also be a refresher for seasoned project managers. The guide fully describes the concepts of planning, execution, monitoring and control, and closure.
Each chapter layers new information upon the foundations of the previous chapters by addressing basic concepts and building on details. This book uses project management terminology, but defines it so the concepts are clear, not fuzzy.
Also discussed in depth is the importance of team members' responsibilities and accountability, and the importance of team motivation.
There is a detailed exploration of the differences between various project management methodologies, such as Agile, Waterfall, SCRUM, Kanban and other models.
Also described is the methodology of PRINCE2, used primarily in the UK and Europe, as well as hybrid project management models. There is guidance on which methodology works best for the project being planned.
The guide also addresses the impacts and benefits of how using AI might impact the completion of routine tasks in the project management lifecycle.
Also included is a comprehensive list of references at the end, for those wanting to dive deeper into the subject.
Overall, this is a great guide for new project managers, as well as a solid refresher for those reentering the field, or looking for an updated perspective.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 24, 2023
★★★★★ 5
Mastering Project Management
Format: Kindle, Format: Kindle
What a wonderful book on project management. The author describes what project management is, how to create a project plan, and the different phases that exist. He covers traditional project management and newer versions of it that have evolved, such as Waterfall, Agile, Scrum, and PRINCE2.
The author explains the various types of project management, what are the important tenets of each and which is best for different types of projects. He goes into a lot of detail into each phase, different software you can use, along with visualization tools available like Gantt Charts and Kanban boards.
It is a good comprehensive book that goes in to detail into each area of project management, what you should do to be successful and the various places that project managers typically fail. Finally, he covers final deliverables, project closer and doing a project review and releasing resources. I thought it was a very good book, well done and one that any project manager would love to have as a resource.
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Reviewed in the United States on August 24, 2023
★★★★★ 5
For The Seasoned Project Manager and the Beginner
Format: Kindle, Format: Kindle
It takes a talented writer to write for the expert and the beginner in the same book. But that is how Mr. Hayden writes in this book. It is obvious he is an experienced Project Manager, and he not only gives advice, but gives you an overview of project management in general, and the foundations of it. But then he jumps right into the meat of the matter - and lays out so many ways to start the project, including so many methodologies to use. He includes the SWOT method, that I used with my teams, but there are so many more that I could have used!
I love the way he lays out a plan for you to use - he doesn’t just give you ideas, he lays it out in a way that you can implement it successfully, and more importantly, confidently. That is so important when leading a team!
I highly recommend this book to any level of project manager! And not just those in a project manager position - also for those professionals who are leading a project even though they are in other roles in their company.
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Reviewed in the United States on October 10, 2023
★★★★★ 5
Excellent book with real-world examples and clear explanations.
It covers both traditional and agile methodologies, making it perfect for professionals or those studying for certifications. Easy to follow and packed with practical insights.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 22, 2025
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