Cotrust Em221 8di/16di/32di*24VDC Digital Input Module Compatible Siemens PLC
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Product Highlights
- Customizable Input Points: Available in 8, 16, or 32 digital input configurations to suit specific needs.
- Advanced Anti-Interference: Integrates CPU processor filter technique with 4.5ms filtering time for stable operation.
- Versatile Communication: Supports Ethernet, PPI, MPI, Profibus-DP, CANopen, and Freeport protocols.
- High Reliability Isolation: Features 500VAC optical isolation between field side and logic circuit for safety.
- OEM Service Available: Accepts custom logo and label designs for branded product requirements.
- Wide Input Voltage Range: Rated for 24VDC with maximum continuous permissible voltage of 30VDC.
- Multi-CPU Networking: Enables distributed control and fast data exchange between multiple CPUs.
- Certified Quality: Complies with RoHS, ISO 9001, and CE standards for global market access.
Product Attributes
- Customization
- Available
- Task
- Program
- Structure
- Combination
- Model NO.
- CTS7-221-1BF32/221-1BH32/221-1BL32
- Signal
- Continuous
- Function
- Automatic Control
- Certification
- RoHS, ISO: 9001, CE
- Condition
- New
- Customized
- Customized
- Weight
- 0.2kg
- Input Poionts
- 8di/16di/32di
- Filtering Time
- 4.5ms
- Input Type
- Source/Drain
- Transport Package
- CTN
- Trademark
- COTRUST
- Origin
- China
- HS Code
- 853710119
- Production Capacity
- 10, 000 Pieces/Year
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Product Description
Order No.: CTS7 221-1BF32
Specification: CTSC-200 EM221 Digital Input Module, 8 inputs, DC 24V,Isolation.Integrating the CPU processor filter technique,4.5ms,powerful anti-interference
Order No.: CTS7 221-1BH32
Specification: CTSC-200 EM221 Digital Input Module, 16 inputs, DC 24V,Isolation.Integrating the CPU processor filter technique,4.5ms,powerful anti-interference
Order No.: CTS7 221-1BL32
Specification: CTSC-200 EM221 Digital Input Module, 32 inputs, DC 24V,Isolation.Integrating the CPU processor filter technique,4.5ms,powerful anti-interference
CTSC-200 series is a new generation of high-performance PLC with high cost-effective,excellent performance,multi-protocol communication ports and a abundant instruction,which can apply to various of industries and adapt to the complex control requirements of small and medium control system.
Powerful communication capability
Ethernet communication mode:10/100Mbps Ethernet support MODBUS_TCP and UDP_PP protocol.Multiple host networking communication in the LAN, to programming, debugging and remote monitoring in the WAN.
PPI communication mode:CTSC-200 series CPU integrated 1-2 PPI port which hardware interface is the RS485 or RS232,provide communication rate 9.6Kbps,19.2Kbps,187.5Kbps,PPI is token-ring network structure,can form PPI network without relay,to complete data exchange through NETR and NETW,each exchange package can be up to 200bytes,each CPU can connect eight modules,that is each CPU can connect to 8 PC or other CPU.
If the I/O of some system is relatively too large that one CPU can not meet requirement,can achieve by several CPU,multi-CPU structure can achieve distributed control thant with high sstem reliability.The data exchange is extremely fast and convenient because of the powerful communication capability among different CPUs.
MPI communication mode:CTSC-200 series CPU can connect to the MPI network,communication rate 19.2Kbps,187.5Kbps which only work as slave station in the MPI network.The different slave stations can not communication each other while the master stations can read the data of slave station.
Profibus-Dp or Ethernet communication mode:CPU can be connected to the Profibus field by by DP slave stations,as salve station of certain master station,it can exchange data fast and real-time also can run independently which with high reliability.
CPU can be connected with industrial Ethernet by Ethernet module which is suitable for building control or other applications with several stations.
CANopen communication mode:To form network through CAN communication,each CAN master station can connect 32 CAN slave stations or devices,baud rate up to 1MBit/s within 25m,baud rate up to 20MBit/s within 2500m.
Freeport communication mode:CPUs provide 1-2 freeport,embedded several free communication protocol library such as Modbus,USS etc.
CPU 226L,CPU226H with two freeport can communicate simultaneously so as to meet the requirements of such occasions like high-speed communication ,synchronous control,many peripherals.
Performance Parameters
| Description | EM221 DI 8×24V DC | EM221 DI 16×24V DC | EM221 DI 32×24V DC |
| Physical Size | |||
| Dimensions(W×H×D) | 46×80×62mm | 71×80×62mm | 137×80×62mm |
| Power dissipation | 2W | 3W | 3W |
| Input Features | |||
| Number of integrated inputs | 8 | 16 | 32 |
| Input type | Sink/Source(IEC Type 1 sink) | ||
| Input Voltage | |||
| Maximum continuous permissible | 30 VDC | ||
| Surge | 35 VDC, 0.5 s | ||
| Rated value | 24 VDC, 4 mA | ||
| Logic 1 signal(minimum) | 15 VDC, 2.5 mA | ||
| Logic 0 signal(maximum) | 5 VDC, 1mA | ||
| Isolation(Field Side to Logic Circuit) | |||
| Optical isolation(Galvanic) | 500 VAC, 1 minute | 500 VAC, 1 minute | 500 VAC, 1 minute |
| Isolation groups of | 4 points | 4 points | 8 points |
| Maximum input delay times | 4.5ms | 4.5ms | 4.5ms |
| Connection of 2 Wire Proximity Sensor(Bero) | |||
| Permissible leakage current | 1 mA, maximum | 1 mA, maximum | 1 mA, maximum |
| Cable Length | |||
| Unshielded(not HSC) | 300 m | 300 m | 300 m |
| Shielded | 500 m | 500 m | 500 m |
| Number of inputs ON Simultaneously | |||
| 40ºC | 8 | 16 | 32 |
| 50ºC | 8 | 16 | 32 |
| Power Consumption | |||
| From +5V DC(from I/O bus) | 30 mA | 30 mA | 30 mA |











Q1.What's the payment term?
A. We accept TT,LC,Western Union,Paypal.
Q2.What is the delivery time?
A. It depends on order quantity,usually it will take about 3-5 days for sample production.
Q3.What's the package used for?
A. For the small capacity,will use carton,but for big capacity,we should use honeycomb carton and pallet or wooden case for protection.
Q4.Would you accept to use our logo?
A.It's no problem,we accept OEM service.
Q5.What's your production capacity for one month?
A. Our month capacity can reach near 500-3000pcs for the most of our model.
Q6.Where is your market?
A. Our products are popular in Australia,South America,Philippines,Italy, America, Pakistan and so on.Some of them are our regular customers and some of them are developing. We hope you can join us and make mutural benifit from our cooperation.
Q7. What kind of certificates you have?
A. Our company has ISO9001,CE, RoHS,SGS etc.
OEM Services
Logo
Please offer us your own high resolution logo in JPG format,there should be two colors at most in the logo and there should be no gradient effect in the logo.
2. Label
Please offer us your own model numbers.
Lead Time
1.Sample orders will be delivered from our factory within 3-5 working days.
2.General orders will be delivered from our factory within 7-15 working days.
3.Large orders will be delivered from our factory within 45 working days at most.
Shipment
1.By EMS,DHL,FedEx,TNT,UPS or other Express.
2.By our forwarding agent(by Air or by Sea).
3.By your own forwarding agent.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR212546". Items marked "" are certified.
Company Profile
COTRUST Technologies Co., Ltd founded in 2003, is dedicated to R&D, manufacturing and sales of industrial automation control products. Relying on high quality, high performance automation control products and solutions to create maximum value for customers, determined to become the world's leading industrial automation solutions supplier.
As a high-tech enterprise, COTRUST provides a wide business coverage of intelligent equipment & robot, new energy vehicles, industrial Internet, smart factory. Main products include PLCs, Motion control&servo drive, HMI, VFD and automation software MagicWorks programming software (PLC/HMI/TUNER/OPC), the new launch MiCo remote solution, multi-robot cooperative control system widely used in customer solutions.
COTRUST built a long-term partnerships with customers. To achieve this, COTRUST offers more than just products: Working with COTRUST gives customers access to leading integrated manufacturing and R&D facilities, as well as highly skilled engineering and industry specialists.
COTRUST invests 10% of revenues and 40% of employees in R&D, owned more than 30 trademark registration and 79 patents with certificates( including invention, utility models and appearance). Uses a uniquely rigorous engineering process that incorporates advanced design modelling, performance analysis and quality assurance techniques for improve production capacity continuously and promote sustainable development.
On the basis of owning industrial automation technologies with proprietary intellectual property rights, COTRUST perseveres in industry marketing and providing total solution to customers in segment market and achieves growth of both enterprise value and customer value.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 9/F, Building 6A, Shenzhen International Innovation Valley, Nanshan District, Shenzhen 518055,China
-
Terms of Payment
- T/T
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW, FCA
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen Port
Our Production Capability & Technical Expertise
- Main Products
- PLC, Servo Drive, HMI, Distributed I/O, Variable Frequency Drive, Motion Controller, Touch Panel, VFD, Human Machine Interface, Frequency Inverter
-
Production Machines
- Solder Paste Printing Machine, SMT Machine, Reflow Soldering Machine, AOI Machine, Wave Soldering Machine, Spraying Machine, UV Dryer, SPI Machine, Laser Engraving Machine, Air Cooled High & Low Temperature Alternating Humidity & Heat Test Chamber, Salt Spray Tester, IV Curve Tester, Comprehensive Safety Test Instrument, Circuit & Component Fault Detection Analyzer, DC Low Resistance Tester, Secondary Tube Tester, X-RAY Machine, Oscilloscope
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 42 people
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2003-06-25
- Export Year
- 2008-10-01
-
Main Markets
- North America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Domestic
-
Annual Export Revenue
- 5,000,000 RMB
-
Number of Foreign Trading Staff
- 2
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- Others
FAQ
- What payment terms are accepted?
- We accept TT, LC, Western Union, and PayPal.
- What is the delivery time for orders?
- Sample production takes about 3-5 days. General orders take 7-15 working days, and large orders take up to 45 working days.
- What packaging is used for shipping?
- Small capacity items use cartons, while large capacity items use honeycomb cartons, pallets, or wooden cases for protection.
- Do you accept OEM services for logos?
- Yes, we accept OEM service. Please provide a high-resolution JPG logo with at most two colors and no gradient effect.
- What is the monthly production capacity?
- Our monthly capacity can reach near 500-3000pcs for most of our models.
- Which markets are your products popular in?
- Our products are popular in Australia, South America, Philippines, Italy, America, Pakistan, and other regions.
- What certifications does the company have?
- Our company has ISO9001, CE, RoHS, and SGS certifications.
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