Product Overview
The S7800A1142 is a keyboard display module that interfaces with 7800 Series relay modules. It provides local operator access for monitoring and configuring burner control parameters. This unit enables users to view system status and adjust settings without external tools. It also simplifies troubleshooting through clear visual feedback and intuitive navigation.
Key Specifications
| Parameter | Specification |
|---|---|
| Model | S7800A1142 |
| Product Type | Keyboard Display Module |
| Series | 7800 Series |
| Display Type | 2-line, 16-character LCD with backlight |
| Keypad | 8-button membrane keypad |
| Power Supply | 24 Vdc |
| Power Consumption | 10W maximum |
| Memory | Nonvolatile EEPROM |
| Weight | 0.4 kg |
| Dimensions (W x H) | 127 x 127 mm |
| Operating Temperature | -40°C to +60°C |
| Storage Temperature | -40°C to +66°C |
| Vibration Limit | 0.5G environment |
User Interface & Display
The module features a 2-line by 16-character backlit LCD display. This screen shows sequence status, fault codes, and configuration parameters. An 8-button membrane keypad enables intuitive menu navigation. Users can change setpoints and view historical data through the interface.
System Integration
The S7800A1142 connects directly to 7800 Series relay modules via a communication bus. It displays information from multiple modules including the RM7800L1012 and RM7890B1048 . The unit provides 35 informational messages and 23 fault messages. It also enables viewing of the last 20 fault history records.
Memory & Diagnostics
Nonvolatile memory retains configuration and history data after power loss. This feature eliminates the need for reprogramming after outages. The module displays real-time flame signal strength for diagnostic purposes. It also shows total run time and cycle counts for maintenance planning.
Mounting & Compliance
The unit fits a standard 127mm x 127mm panel cutout. It mounts flush on the control panel door for easy operator access. The module operates reliably from -40°C to +60°C. It carries UL, FM, and CSA certifications for industrial use.
Details
| Weight | 0.2 kg |
|---|---|
| Dimensions | 85 × 65 × 30 mm |
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