ABB Bailey NTU-715 SM9-3055.051.00 Digital Input Terminal
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 15305023276 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | NTU-715 |
| Ordering Number | SM9-3055.051.00 |
| Product Type | Digital Input Terminal / Digital Input Termination Unit |
| Manufacturer | ABB Bailey |
| Product Series | Bailey INFI 90 / Net 90 |
| Module Function | Digital input signal termination and field wiring interface |
| Application | Distributed Control Systems, Process Automation, and Industrial Control |
| Input Type | Digital / Binary Input Signals |
| Input Channels | 16 Digital Input Channels |
| Typical Field Signals | Switches, push-buttons, sensors, contacts, and equipment status signals |
| Signal Function | ON/OFF status acquisition and transmission to the control system |
| Signal Conditioning | Digital input signal termination and conditioning |
| Input Voltage | 24 V DC typical |
| Input Current | Up to 2 mA per channel |
| Output Function | No direct digital output; provides input signal termination/interface |
| System Compatibility | ABB Bailey INFI 90 / Net 90 control systems |
| Compatible I/O Modules | ABB Bailey IMDSI / IMDSI02 series |
| Mounting Type | Rack-mounted termination unit |
| Wiring Function | Provides an organized interface between field wiring and the associated digital input I/O module |
| Status Indication | LED status indication for input monitoring and troubleshooting |
| Protection Function | Helps maintain signal integrity and provides interface protection against electrical noise and transients |
| Installation | ABB Bailey control cabinet / I/O termination assembly |
| Operating Temperature | Industrial operating environment; exact range depends on system configuration |
| Relative Humidity | Suitable for industrial control cabinet environments |
| Maintenance | Terminal, wiring, connector, and signal-path inspection |
| Typical Applications | Process Monitoring, Equipment Status, Alarm Signals, Interlocking, and Digital Control |
| Dimensions | 185 × 40 × 150 mm |
| Weight | 0.82 kg |
FAQ
1. What is the main function of the ABB Bailey NTU-715?
The NTU-715 is a digital input terminal unit used to provide an organized connection between field digital signals and the associated ABB Bailey digital input I/O system. It receives binary signals from field devices such as switches, push-buttons, contacts, and equipment status sensors, and provides the required termination and signal interface for the control system.
2. What type of signals can be connected to the NTU-715?
The NTU-715 is designed for digital or binary signals representing discrete equipment states. Typical signals include circuit status, switch position, motor running feedback, alarm contacts, limit switches, push-buttons, and other ON/OFF field indications. The exact signal wiring should follow the I/O module and control-system configuration used at the installation.
3. How many digital input channels does the NTU-715 provide?
The NTU-715 is commonly specified for 16 binary digital input channels. These channels allow multiple discrete field signals to be terminated and transferred to the associated digital input I/O module. During commissioning, each channel should be checked against the system I/O configuration so that the physical terminal, field device, and software point correspond correctly.
4. Which ABB Bailey systems and I/O modules are associated with the NTU-715?
The NTU-715 is associated with ABB Bailey INFI 90 and Net 90 control-system architectures and is used with compatible digital input I/O modules such as the IMDSI and IMDSI02 series. Before replacement, the complete module and termination-unit configuration should be checked because wiring arrangements and compatible components can vary between system installations.
5. What should be checked if a digital input is not detected by the control system?
Begin by checking the field device and confirming that it is actually changing state. Then inspect the field wiring, terminal connections, connector seating, and the corresponding NTU-715 channel. If the physical signal is present, check the associated digital input I/O module and the configured I/O point in the control system. LED indications and system diagnostics can help determine whether the problem is in the field circuit, termination path, I/O module, or software configuration.
6. What can cause an NTU-715 digital input to remain ON or OFF continuously?
A continuously ON or OFF input can be caused by a failed field contact, incorrect wiring, short/open circuits, loose terminals, incorrect channel assignment, or a problem with the associated input module. A useful troubleshooting method is to compare the actual field voltage or contact state with the input status displayed by the control system. If the physical signal changes correctly but the system status does not, the termination path or I/O hardware should be investigated.
7. Does the NTU-715 help with electrical noise and signal integrity?
The termination unit provides an organized interface for field digital signals and helps maintain a controlled signal path between field wiring and the associated I/O electronics. Industrial installations can still experience noise from motors, contactors, variable-frequency drives, and long cable runs, so proper cable routing, grounding, shielding where applicable, and secure terminal connections remain important for reliable digital input operation.
8. What should be verified after replacing an NTU-715?
After replacement, verify the model NTU-715 and ordering number SM9-3055.051.00, then confirm that all field wires and connectors are returned to their correct positions. Check each digital input channel against the I/O drawing and control-system configuration. After power-up, verify module recognition, channel status, alarms, and diagnostic information. Finally, operate representative field devices and confirm that their ON/OFF states are correctly displayed by the control system.
ABB Bailey NTU-715 SM9-3055.051.00 Digital Input Terminal is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13950166376 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether youre looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.








