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 Overview
The Honeywell RM7838C1004 is a microprocessor-based, integrated burner control for industrial, semi-automatic gas, oil, coal, or combination-fuel single-burner applications. It provides reliable safety interlocks, flame supervision, purge management, and system diagnostics. This model is SIL3 capable and supports communication via Modbus.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | RM7838C1004 |
| Power Supply | 120 Vac (+10/-15%), 50/60 Hz |
| Power Consumption | Max 10 W |
| Operating Temperature | -40°C to +60°C |
| Storage Temperature | -40°C to +66°C |
| Humidity | Up to 85% RH non-condensing |
| Vibration | 0.5G |
| Flame Failure Response Time | 0.8 or 3.0 seconds (depends on amplifier) |
| Dimensions | 127 × 127 × 133 mm |
| Weight | 0.7 kg |
| Max Connected Load | 2000 VA |
| Mounting | Panel, wall, or burner via Q7800A/Q7800B |
| Compliance | UL, CSA, FM, SIL3 capable |
| Communication Options | Modbus, Data ControlBus |
| Display | Optional Keyboard Display Module (KDM) |
Applications
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Industrial furnaces and boilers
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Process heating systems
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Semi-automatic single-burner installations
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Gas, oil, coal, and combination fuel systems
Advantages
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SIL3 capable for enhanced safety
-
Built-in diagnostics and fault history
-
Supports programmable postpurge and valve proving
-
Compact and easy to mount
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Compatible with a wide range of flame detectors
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Flexible communication and remote monitoring options
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Long service life with robust microprocessor control
FAQ
Q1: What is the power supply requirement?
A1: It operates on 120 Vac (+10/-15%) at 50 or 60 Hz.
Q2: What is the response time for flame failure?
A2: 0.8 or 3.0 seconds, depending on the selected amplifier.
Q3: Can the RM7838C1004 be used in outdoor environments?
A3: Yes, within the specified temperature range and with proper enclosure.
Q4: Does it support valve proving?
A4: Yes, it supports a valve proving system when configured.
Q5: What communication protocols are available?
A5: Modbus and Data ControlBus options are available.
Q6: Is it compatible with different types of flame detectors?
A6: Yes, it supports rectification, ultraviolet, and infrared flame detectors.
Q7: Does it store fault history?
A7: Yes, it retains the six most recent fault events in non-volatile memory.
Q8: Is a display included?
A8: The KDM (Keyboard Display Module) is optional.
Q9: Can the system be remotely reset?
A9: Yes, with the optional remote reset module.
Q10: Is the RM7838C1004 certified for safety?
A10: Yes, it is UL, CSA, FM approved and SIL3 capable.
Recommended Related Models
| Model | Key Features | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| RM7838C1012 | With Valve Proving System (VPS) | 127×127×133 | 0.7 |
| RM7838B1021 | Similar to C1012 with VPS | 127×127×133 | 0.7 |
| RM7838B1013 | Basic burner control without VPS | 127×127×133 | 0.7 |
| RM7800L1075 | Advanced burner control with more I/Os | 127×127×133 | 0.7 |
| RM7800G1014 | Enhanced diagnostic and display features | 127×127×133 | 0.7 |
| RM7800M1014 | Multi-burner capable control | 127×127×133 | 0.7 |
Popular Honeywell Models
| Model | Application | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| RM7895C1000 | Burner Control with integrated purge | 127×127×133 | 0.7 |
| RM7897A1002 | High-performance flame safeguard | 127×127×133 | 0.7 |
| RM7823A1011 | Basic relay module for flame safeguard | 127×127×133 | 0.7 |
| RM7800E1012 | Advanced burner control with annunciator | 127×127×133 | 0.7 |
| RM7800J1015 | Modbus-enabled relay module | 127×127×133 | 0.7 |
| RM7823C1024 | Compact flame safeguard | 127×127×133 | 0.7 |
