Description
Honeywell 8937 – H Product Description
1. Product Overview
The Honeywell 8937 – H is a high – performance fiber optic extender module, meticulously engineered to meet the intricate demands of industrial automation and control systems. This module serves as a crucial link in expanding the I/O capabilities, especially when used in conjunction with the S8C300 controller within the Series 8 system. It is designed to overcome the limitations of physical distances and enhance the flexibility and scalability of industrial setups, making it an indispensable component for modern industrial applications. As part of Honeywell’s comprehensive range of industrial products, it inherits the company’s reputation for reliability, precision, and innovation.
2. Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | 8937 – H (variants like 8937 – HN exist with specific features) |
| Manufacturer | Honeywell |
| Product Category | Fiber Optic Extender Module |
| Purpose | Extends I/O link capability beyond Series 8 cabinet with S8C300 controller |
| Interface | Combo cable interfaces for I/O link connections |
| Redundancy | Redundant combo cable interfaces for reliable connections |
| Compatibility | Works with Honeywell Series 8 I/O modules and S8C300 controllers |
| Remote Extension | Supports extension of I/O link up to a certain distance (e.g., in some variants like 8937 – HN, can enable remote applications of Series 8 I/O modules) |
| Module Type | Fiber optic – based |
| Number of Channels (in some related modules) | Up to 8 channels (e.g., in high – speed analog output – related modules in the family) |
| Output Type (in related analog output modules) | Voltage (0 – 10 V, ± 10 V) or current (0 – 20 mA, 4 – 20 mA) |
| Update Rate (in related analog output modules) | Up to 10 kHz per channel |
| Isolation | Channel – to – channel and channel – to – ground |
| Common Mode Rejection Ratio (CMRR) | > 100 dB at 50/60 Hz |
| Operating Temperature Range | – 20 °C to + 60 °C |
| Vibration Resistance | Meets IEC 60068 – 2 – 6 requirements |
| Shock Resistance | Meets IEC 60068 – 2 – 27 requirements |
| EMC Compliance | Meets EN 61000 – 6 – 2 and EN 61000 – 6 – 4 standards |
| Communication Protocol | IO – link, FTE (Fault – Tolerant Ethernet) |
| Weight | 2000g (for some specific models like 8937 – HN) |
| Warranty | 12 months |
Honeywell 8937-H
3. Product Introduction
The 8937 – H features a compact and rugged design, which is ideal for installation in various industrial environments. Its fiber optic – based technology allows for high – speed and reliable data transmission over long distances. The module utilizes redundant combo cable interfaces, which play a vital role in establishing a stable I/O link connection between the S8C300 controller and the associated Series 8 I/O modules. These interfaces are not only robust but also offer the flexibility to be configured according to the specific requirements of the I/O modules in use.
The fiber optic option in the 8937 – H enables the extension of the I/O link beyond the physical confines of the Series 8 cabinet. This is particularly useful in scenarios where remote deployment of I/O modules is necessary, such as in large – scale manufacturing plants or industrial complexes where equipment is spread out over a wide area. The module’s compatibility with a range of communication protocols like IO – link and FTE ensures seamless integration with existing industrial control systems, enhancing overall system performance.
4. Core Advantages and Technical Highlights
4.1 Extended I/O Capability
The primary advantage of the 8937 – H is its ability to extend the I/O link capacity significantly. By using fiber optic technology, it can transmit data over longer distances compared to traditional copper – based connections. This extended reach allows for the deployment of I/O modules in remote locations, far from the central controller. For example, in a large – scale manufacturing facility, the 8937 – H can enable the connection of I/O modules in outlying production areas to the main S8C300 controller, ensuring efficient control and monitoring of all operations.
4.2 Redundant and Reliable Connections
The redundant combo cable interfaces in the 8937 – H are designed to enhance the reliability of the I/O link. In industrial environments, where continuous operation is crucial, any disruption in the connection between the controller and I/O modules can lead to production losses. The redundant interfaces act as a backup mechanism, ensuring that even if one interface fails, the other can still maintain the connection. This redundancy minimizes the risk of system failures and downtime, making the 8937 – H a reliable choice for critical industrial applications.
4.3 High – Speed Data Transmission
Fiber optic technology in the 8937 – H enables high – speed data transmission. This is essential for applications that require rapid response times, such as high – speed manufacturing processes or real – time monitoring systems. In applications like automated assembly lines, where sensors and actuators need to communicate with the controller instantaneously, the 8937 – H can support the fast – paced data transfer requirements. The high – speed data transmission also contributes to the overall efficiency of the industrial control system, as it allows for quicker decision – making and control actions.
4.4 Compatibility and Scalability
The 8937 – H is highly compatible with Honeywell’s Series 8 I/O modules and S8C300 controllers. This compatibility simplifies the integration process when upgrading or expanding an existing industrial control system. Additionally, the module’s design allows for easy scalability. As the needs of the industrial operation grow, more 8937 – H modules can be added to the system to further extend the I/O capabilities. This scalability ensures that the industrial control system can adapt to changing production demands without major overhauls.
4.5 Resistance to Interference
Fiber optic cables used in the 8937 – H are highly resistant to electromagnetic interference (EMI) and radio – frequency interference (RFI). In industrial settings, where there are numerous sources of electrical and magnetic fields, such as motors, transformers, and communication equipment, interference can disrupt the normal operation of electronic components. The 8937 – H’s immunity to such interference ensures stable and accurate data transmission, maintaining the integrity of the I/O link and the overall performance of the industrial control system.
5. Typical Application Scenarios
5.1 Manufacturing Plants
In large – scale manufacturing plants, the 8937 – H is extensively used to manage the I/O requirements of various production lines. For example, in an automotive manufacturing plant, different sections of the assembly line, such as the body – in – white shop, paint shop, and final assembly area, may be located far from the central control room. The 8937 – H can be used to extend the I/O link from the S8C300 controller in the control room to the I/O modules at each production area. This enables real – time monitoring and control of robots, conveyors, and other automated equipment, ensuring smooth production flow and high – quality output.
5.2 Process Control Industries
Industries such as chemical, petrochemical, and power generation rely on precise process control to ensure safety and efficiency. The 8937 – H plays a crucial role in these industries by facilitating the connection between distributed control systems (DCS) and field devices. In a chemical plant, for instance, sensors and actuators located in different parts of the facility, such as reactors, distillation columns, and storage tanks, need to communicate with the central DCS. The 8937 – H can extend the I/O link to these remote field devices, allowing for accurate monitoring and control of process variables like temperature, pressure, and flow rate.
5.3 Utilities and Infrastructure
In the utilities sector, including water treatment plants, wastewater treatment facilities, and power distribution networks, the 8937 – H is used to enhance the control and monitoring capabilities. In a water treatment plant, for example, the I/O modules need to be connected to sensors and valves located throughout the treatment process, from intake to distribution. The 8937 – H can bridge the gap between the central controller and these remote devices, enabling effective management of water quality, flow, and treatment processes. Similarly, in power distribution networks, it can be used to connect control equipment in substations to the main control center, ensuring reliable power supply.
5.4 Data Centers
Data centers require reliable and high – speed communication between different components for efficient operation. The 8937 – H can be used in data centers to extend the I/O capabilities for server management, environmental monitoring, and power control systems. For example, it can connect I/O modules that monitor temperature, humidity, and power usage in different server racks to a central control system. This allows data center operators to remotely manage and optimize the performance of the data center, ensuring the smooth operation of critical IT infrastructure.
Honeywell 8937-H
6. Installation, Commissioning and Maintenance Instructions
6.1 Installation Preparation
Select a suitable location for mounting the 8937 – H module. The location should be free from excessive moisture, dust, and strong electromagnetic fields. It should also provide easy access for wiring and future maintenance. Ensure that the ambient temperature at the installation site falls within the module’s specified operating temperature range of – 20 °C to + 60 °C.
Before installation, carefully inspect the module and all its components, including the fiber optic connectors, combo cable interfaces, and the module housing. Look for any signs of physical damage, such as cracks, bent connectors, or loose parts, which could affect its performance.
Prepare the necessary wiring and cabling according to the installation requirements. Use high – quality fiber optic cables that are compatible with the 8937 – H module. Ensure that the cables are properly rated for the distance they need to cover and the data transmission speed required. Also, prepare the appropriate connectors and tools for cable termination.
Gather the required installation tools, such as fiber optic strippers, splicers (if needed), crimping tools for electrical connections, and a multimeter to test for continuity and voltage levels. Familiarize yourself with the installation diagrams and instructions provided in the product manual.
6.2 Commissioning
Mount the 8937 – H module in the chosen location using the appropriate mounting hardware, such as brackets or DIN – rail mounts, depending on the module’s design. Ensure that the module is securely fastened to prevent movement during operation, as this could cause stress on the connections and affect performance.
Connect the fiber optic cables to the module’s fiber optic ports. Use proper termination techniques to ensure a secure and low – loss connection. Check the alignment of the connectors and make sure there are no kinks or bends in the cables that could disrupt the signal.
Connect the combo cable interfaces to the S8C300 controller and the associated Series 8 I/O modules according to the wiring diagram. Double – check all connections to ensure they are correct and tight. Use a multimeter to verify the integrity of the electrical connections and check for any short circuits or open circuits.
Power on the system, starting with the S8C300 controller and then the 8937 – H module. Monitor the module’s status indicators (if available) to ensure that it is operating correctly. Check for any error messages or abnormal behavior. Use diagnostic tools or software provided by Honeywell to test the I/O link and verify that data is being transmitted correctly between the controller and the I/O modules.
6.3 Maintenance
Regularly inspect the 8937 – H module for any signs of physical damage, such as scratches on the fiber optic connectors, loose cable connections, or signs of overheating on the module housing. Pay particular attention to the fiber optic cables for any signs of wear, cuts, or exposure. If any damage is detected, replace the affected components immediately.
Clean the fiber optic connectors and the module’s exterior periodically to remove any dust, dirt, or debris that may have accumulated. Use a lint – free cloth and a suitable cleaning solution recommended by Honeywell for fiber optic components. Avoid using harsh chemicals that could damage the connectors or the module’s surface.
Check the cable connections regularly for tightness. Over time, vibrations and temperature changes can cause connections to loosen. Tighten any loose connections to ensure a stable and reliable link. Also, inspect the electrical wiring for any signs of corrosion, especially in environments with high humidity or corrosive gases. Replace any corroded wires or connectors as needed.
Monitor the performance of the 8937 – H module over time. Use diagnostic software or tools to check for any changes in data transmission speed, error rates, or signal strength. Compare the current performance data with the baseline data recorded during commissioning. If any abnormal behavior is observed, such as slow data transfer or frequent connection drops, follow the troubleshooting procedures provided in the product manual to identify and resolve the issue. Common issues may include a faulty fiber optic cable, a misconfigured interface, or a problem with the controller – module communication.
7. Service and Guarantee Commitment
Honeywell typically offers a 12 – month warranty for the 8937 – H module, providing customers with assurance against manufacturing defects. The exact terms and conditions of the warranty may vary depending on the region and the specific purchase agreement. It is advisable to check with the supplier or Honeywell’s customer service for detailed warranty information. In case of any product failures within the warranty period, Honeywell’s technical support team is available to offer prompt assistance. They can provide troubleshooting guidance over the phone or via email and, if necessary, arrange for the repair or replacement of the module, subject to the warranty terms.
Customers can access comprehensive installation, operation, and maintenance manuals on Honeywell’s official website. These manuals contain detailed step – by – step instructions, wiring diagrams, and troubleshooting guides to help users make the most of the 8937 – H module. Additionally, Honeywell may offer training programs or technical support services to assist customers in optimizing the module’s performance and ensuring its proper integration into their industrial control systems. These services can be especially beneficial for technicians who are new to using fiber optic extender modules or complex industrial automation systems.
For customers requiring ongoing support beyond the warranty period, Honeywell offers a range of service contracts. These contracts can include regular maintenance visits, priority technical support, and access to genuine replacement parts. By opting for these service contracts, customers can ensure that the 8937 – H module continues to operate reliably throughout its service life, minimizing downtime and maximizing the efficiency of their industrial processes.
