Excellent PLC
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Description
The Honeywell RM7800L1038 is a microprocessor-based integrated burner control designed for automatic operation of gas, oil, or dual-fuel single burner systems. It provides reliable burner sequencing, flame supervision, diagnostics, and system status indication, ensuring safety and operational efficiency in industrial combustion applications.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | RM7800L1038 |
| Power Supply | 120 Vac, 50/60 Hz |
| Power Consumption | Max 10 W |
| Operating Temperature | -40°C to +60°C |
| Storage Temperature | -40°C to +66°C |
| Humidity | 85% RH non-condensing |
| Dimensions | 127 x 127 x 133 mm |
| Weight | 0.7 kg |
| Mounting | Panel or burner-mounted |
| Communication Interface | Modbus (optional) |
| Flame Failure Response Time | 0.8–3.0 seconds (by amplifier) |
| Safety Integrity Level | SIL 3 capable |
Applications
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Industrial boilers
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Process heaters
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Kilns and furnaces
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Single burner control systems in oil, gas, or combination fuel installations
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Facilities requiring advanced diagnostics and safety interlocks
Advantages
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Integrated safety and flame supervision
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SIL 3 capable for high safety standards
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Adjustable post-purge and valve proving functions
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Non-volatile memory to store operational history and fault data
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Wide operating temperature range for harsh environments
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Communication-ready with optional Modbus module
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Easy maintenance with plug-in amplifiers and purge cards
FAQ
Q1: What type of burners does the RM7800L1038 support?
A1: It supports single burners using gas, oil, or combination fuels.
Q2: What is the power supply requirement?
A2: The control operates at 120 Vac, 50/60 Hz.
Q3: Is the RM7800L1038 suitable for outdoor installation?
A3: It is recommended to install it in protected environments due to its electronics, even though it handles a wide temperature range.
Q4: Does it store fault history?
A4: Yes, it retains the six most recent fault events in non-volatile memory.
Q5: How is flame failure detected?
A5: Using a plug-in flame amplifier and detector system, with response times between 0.8–3.0 seconds.
Q6: Can I adjust the post-purge time?
A6: Yes, the post-purge time can be adjusted up to 60 minutes.
Q7: Is SIL 3 certification included?
A7: It is SIL 3 capable when installed in an appropriate safety instrumented system.
Q8: How is communication with external systems achieved?
A8: Optional Modbus or Data ControlBus modules can be used for communication.
Q9: Can the unit be remotely reset?
A9: Yes, a remote reset module is available as an option.
Q10: What kind of diagnostics does it provide?
A10: It offers detailed operational data, fault codes, flame signal strength, and sequence status.
Recommended Related Models
| Model | Description | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| RM7800E | Basic relay module | 127×127×133 | 0.7 |
| RM7800G | Modulating flame control | 127×127×133 | 0.7 |
| RM7800M | On/Off control with annunciator | 127×127×133 | 0.7 |
| RM7840G | Integrated burner control | 127×127×133 | 0.7 |
| RM7890A | Advanced relay module with alarms | 127×127×133 | 0.7 |
| RM7895A | Burner control with valve proving | 127×127×133 | 0.7 |
Popular Honeywell Models
| Model | Description | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| R7847C | Flame amplifier | 127×127×133 | 0.7 |
| R7849B | Ultraviolet flame amplifier | 127×127×133 | 0.7 |
| R7852A | Infrared flame amplifier | 127×127×133 | 0.7 |
| S7800A1001 | Keyboard display module (English) | 127×127×133 | 0.7 |
| S7810M1003 | Modbus communication module | 127×127×133 | 0.7 |
| S7830A1005 | Expanded annunciator | 127×127×133 | 0.7 |
