Description
Key Technical Specifications
- Display and Information Presentation: Its 2 – line 20 – character vacuum fluorescent display has good readability under various lighting conditions. It can clearly show the burner sequence, timing parameters, hold status and lockout information, and supports first – out annunciation. This function can quickly locate the root cause of the system shutdown, which greatly reduces the time for maintenance personnel to troubleshoot.
- Physical and Environmental Adaptability: The module has a compact structure, with dimensions of 123mm in width, 73mm in height and 23mm in depth, and a weight of only 0.11kg, which is easy to install in the burner control cabinet. It can withstand a 0.5g vibration environment and adapt to the harsh working conditions of industrial sites. Meanwhile, the NEMA 4 protection rating enables it to resist dust and water splashes after proper installation.
- Functional Expansion: It supports both local and remote announcement of operation and fault information. Maintenance personnel can grasp the equipment status without being on site. In addition, it has a remote reset function. When the burner control system is locked, it can be reset remotely, avoiding the trouble of on – site operation and improving the efficiency of system recovery.
Honeywell S7800A1068
Field Application & Problem Solved
This module is widely used in industrial and commercial burner equipment, and is an important human – machine interface component in the flame protection system. It plays a key role in the commissioning, daily maintenance and fault handling of the 7800 series burner control systems.
In the operation of burners, problems such as unclear status indication and difficult fault location often occur, which lead to prolonged downtime. The S7800A1068 solves these problems well. For example, in a chemical plant’s boiler burner system, once an abnormal shutdown occurs, the module’s first – out annunciation can immediately display the primary fault cause. And the remote reset function allows maintenance personnel to handle small faults without going to the site, thus shortening the equipment downtime and improving the stability of the production line.
Honeywell S7800A1068
Installation & Maintenance Notes
- Standardize Installation: To ensure that the module achieves the NEMA 4 protection level, it must be installed in strict accordance with the installation specifications. Loose installation will lead to reduced protection performance, making dust and water enter the module and causing malfunctions.
- Confirm Voltage Matching: The module’s rated voltage is 13VDC peak full – wave rectified. During wiring, it is necessary to ensure that the power supply meets this parameter requirement. Excessive or insufficient voltage will damage the module or affect the display accuracy.
- Distinguish from Homologous Models: The S7800A series has multiple models differing by language. For instance, S7800A1001 is for English and S7800A1035 for French. When purchasing and replacing, confirm that the Spanish – language S7800A1068 matches the on – site operation needs; otherwise, operation confusion may arise due to language inconsistency.
- Regular Inspection: Regularly check the module’s display clarity and the sensitivity of the keys. If the display is blurred or the keys are unresponsive, clean the module surface and the connection parts in time. For modules used in high – vibration environments, regularly check the fixing bolts to prevent poor contact caused by loosening.
