Excellent PLC
| Company Information | ||||||||
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| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Description
Honeywell RM7800L1079 is a microprocessor-based integrated burner control designed for automatic operation of single burner systems using gas, oil, or combination fuels. It provides safe and reliable sequencing, flame supervision, system diagnostics, and communication options. This model is part of the RM7800 series, offering enhanced safety and flexibility compared to conventional controls.
Technical Specifications
| Parameter | Value |
|---|---|
| Power Supply | 120 Vac, 50/60 Hz |
| Power Dissipation | 10 W (module), 3 W (display) |
| Maximum Connected Load | 2000 VA |
| Operating Temperature | -40°C to +60°C |
| Storage Temperature | -40°C to +66°C |
| Humidity | 85% RH, non-condensing |
| Flame Failure Response | 0.8–3.0 seconds (depending on amplifier) |
| Dimensions | 127 x 127 x 133 mm |
| Weight | 0.83 kg |
| Mounting Options | Panel, wall, or burner mount |
| Communication | Modbus™ (optional) |
| Certification | SIL3 capable, UL, CSA, FM approved |
Applications
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Single burner industrial boilers
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Commercial heating systems
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Process heating equipment
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Gas or oil-fired burners requiring high safety standards
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Applications needing continuous monitoring and fault diagnostics
Advantages
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Advanced safety features including dynamic self-check and interlock monitoring
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Flexible configuration for a variety of burner types and fuels
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Non-volatile memory for historical data retention
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Communication interface for remote monitoring and control
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First-out annunciation for quick fault identification
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Long-term, dependable operation using microprocessor technology
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SIL3 capable when properly configured
FAQ
Q1: What type of burners does the RM7800L1079 support?
A1: It supports gas, oil, and combination fuel single burners.
Q2: What is the flame failure response time of this control?
A2: Between 0.8 and 3.0 seconds, depending on the amplifier used.
Q3: Is it suitable for outdoor installation?
A3: It can operate in a wide temperature range but should be installed in a protected enclosure outdoors.
Q4: Does it support remote monitoring?
A4: Yes, via optional Modbus™ communication or remote display modules.
Q5: Can the post purge time be adjusted?
A5: Yes, it is adjustable up to 60 minutes (factory set at 15 seconds).
Q6: Is the RM7800L1079 SIL3 certified?
A6: It is SIL3 capable when used in a properly designed safety system.
Q7: What kind of power supply is required?
A7: It requires 120 Vac at 50 or 60 Hz.
Q8: Does it store historical fault data?
A8: Yes, it retains the six most recent fault histories and operational data.
Q9: What are the mounting options?
A9: It can be mounted on a panel, wall, or directly on the burner.
Q10: Does it have approval from major certification bodies?
A10: Yes, it is UL, CSA, and FM approved.
Recommended Related Models (Same Series or Related)
| Model | Description | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| RM7800E | Relay Module with expanded interlocks | 127x127x133 | 0.83 |
| RM7800G | Relay Module with modulating output | 127x127x133 | 0.83 |
| RM7800M | Relay Module with On/Off control | 127x127x133 | 0.83 |
| RM7840L | Gas burner relay module | 127x127x133 | 0.83 |
| RM7890A | Basic relay module | 127x127x133 | 0.83 |
| R7861A | Dynamic Self-Check Flame Amplifier | — | 0.10 |
Recommended Popular Honeywell Models
| Model | Description | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| R7847A | Flame Signal Amplifier (Rectification) | — | 0.10 |
| R7849A | Ultraviolet Flame Amplifier | — | 0.10 |
| R7852A | Infrared Flame Amplifier | — | 0.10 |
| S7800A1001 | Keyboard Display Module | — | 0.11 |
| S7810M1003 | Modbus™ Communication Module | — | 0.12 |
| S7830A1005 | Expanded Annunciator | — | 0.30 |
