The Honeywell 2ML-RY2A is a high – performance relay module engineered to meet the stringent demands of industrial applications, especially those operating in harsh conditions. It serves as a reliable interface between control signals and high – power loads, ensuring seamless operation and protection in complex industrial setups.
Model2ML-RY2A
BrandHoneywell
TypeRelay Module
Number of Relay Channels2
Relay Contact Rating10A @ 250V AC / 30V DC
Switching ModeNormally Open (NO) / Normally Closed (NC) configurable
Switching Speed< 10ms
Operating Temperature- 40°C to 85°C
Storage Temperature- 55°C to 105°C
Humidity Resistance5% – 95% non – condensing
Vibration Resistance10 – 55 Hz, 2g
EMI ResistanceComplies with EN 61000 – 6 – 2
MountingDIN – rail (35 mm)
Dimensions80 mm x 45 mm x 70 mm (W x H x D)
Weight250 grams
Control Signal Voltage5V, 12V, 24V DC compatible
Terminal TypeScrew – type
Protection Rating IP65
The Honeywell 2ML-RY2A is a high – performance relay module engineered to meet the stringent demands of industrial applications, especially those operating in harsh conditions. It serves as a reliable interface between control signals and high – power loads, ensuring seamless operation and protection in complex industrial setups.
2ML-RY2A
Designed with industrial – grade components, the 2ML-RY2Acan withstand extreme temperatures ranging from – 40°C to 85°C. This wide temperature tolerance makes it suitable for use in environments such as foundries, where molten metal processing generates intense heat, or in cold storage facilities with sub – zero temperatures. In addition to temperature resilience, it offers excellent resistance to humidity, vibration, and electromagnetic interference (EMI). The module’s enclosure is built to IP65 standards, providing a high level of protection against dust and water ingress, which is crucial in outdoor or high – humidity industrial settings.
2ML-RY2A
Main features and advantages:
The 2ML-RY2A features two independent relay channels, each capable of handling high – power loads. The relays are rated for up to 10A at 250V AC or 30V DC, making them suitable for controlling a variety of industrial equipment, including motors, solenoids, and heaters. The module can be easily configured to operate in either normally open (NO) or normally closed (NC) modes, providing flexibility in different control applications.
The relay switching speed is impressively fast, with a typical response time of less than 10ms. This quick response ensures that the connected equipment can be turned on or off rapidly, which is essential for applications that require precise timing, such as conveyor belt control systems in manufacturing plants or automated machinery in assembly lines.
The2ML-RY2A is designed for easy integration into existing industrial control systems. It comes with a standard DIN – rail mounting option, allowing for quick and secure installation in control panels. The module has a compact size of 80 mm x 45 mm x 70 mm (W x H x D), making it space – efficient, especially in applications where space is limited.
In terms of electrical connections, the 2ML-RY2A uses screw – type terminals, which provide a reliable and secure connection for both control signals and power wires. The terminal blocks are clearly labeled, simplifying the wiring process. The module is compatible with a wide range of control signals, including 5V, 12V, and 24V DC, making it versatile for use with different types of control devices, such as programmable logic controllers (PLCs), industrial computers, and sensors.
Technical specifications:
Model2ML-RY2A
BrandHoneywell
TypeRelay Module
Number of Relay Channels2
Relay Contact Rating10A @ 250V AC / 30V DC
Switching ModeNormally Open (NO) / Normally Closed (NC) configurable
Switching Speed< 10ms
Operating Temperature- 40°C to 85°C
Storage Temperature- 55°C to 105°C
Humidity Resistance5% – 95% non – condensing
Vibration Resistance10 – 55 Hz, 2g
EMI ResistanceComplies with EN 61000 – 6 – 2
MountingDIN – rail (35 mm)
Dimensions80 mm x 45 mm x 70 mm (W x H x D)
Weight250 grams
Control Signal Voltage5V, 12V, 24V DC compatible
Terminal TypeScrew – type
Protection Rating IP65
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Application areas:
In petroleum refineries, the high temperature and high pressure environment places extremely high demands on the stability and reliability of equipment. The 2ML-RY2Arelay module is responsible for controlling the opening and closing of key valves, accurately regulating the transportation and refining process of crude oil. Even when the surrounding equipment emits a large amount of heat and the ambient temperature approaches 60 ° C, it can still ensure the accuracy of valve action with excellent high temperature resistance, avoid control errors caused by overheating, ensure the smooth progress of the refining process, effectively improve production efficiency, and reduce the defect rate.
In chemical production workshops, corrosive gases diffuse and electrical equipment is highly susceptible to corrosion. 2ML-RY2A with its special protective coating and sealing design, can effectively resist the invasion of various corrosive substances. It is used to control the start and stop of the stirring motor in a chemical reaction kettle, with stable and reliable control signal output to maintain the stirring speed at the optimal reaction conditions, helping the quality of chemical products reach higher standards, while reducing downtime and maintenance time caused by equipment corrosion failures and lowering enterprise operating costs.
Related products:
Honeywell 2MLI – CPUU – The central processing unit that can send control signals to the 2ML – RY2A, coordinating its relay operations in a larger industrial control system.
Honeywell 2MLF – DI16 – Digital input module that can be used in conjunction with the 2ML – RY2A. The DI16 can provide input signals to the control system, which can then be processed and used to trigger the relays in the 2ML – RY2A.
Honeywell 2MLF – DO16 – Digital output module that can work alongside the 2ML – RY2A. The DO16 can be used to drive other low – power devices, while the 2ML – RY2A handles the high – power load switching.
Honeywell 2MLP – ACF2 – Although mainly an analog control module, in some complex systems, it can communicate with the 2ML – RY2A. For example, the 2MLP – ACF2 may adjust control parameters based on analog sensor readings, and then the 2ML – RY2A can execute the corresponding actions based on the new control instructions.
Honeywell PX4000 Pressure Transmitter – A sensor that can be integrated with the overall system. The pressure readings from the PX4000 can be processed by the control system, and if certain pressure thresholds are met, the control system can send signals to the 2ML – RY2A to operate relays, such as opening or closing a pressure – relief valve.
Honeywell STT950HT High – Temperature Pressure Transmitter – In high – temperature industrial applications, this transmitter can work with the 2ML – RY2A. The 2ML – RY2A can control equipment based on the high – temperature pressure data provided by the STT950HT, ensuring safe and efficient operation in extreme environments.
Installation and maintenance:
Before installing the 2ML-RY2A, it is important to ensure that the DIN – rail on which it will be mounted is clean and free from any debris. Check the integrity of the rail for any signs of damage or corrosion, as this can affect the stability of the module. When connecting the power wires and control signals, make sure to follow the wiring diagram provided in the user manual carefully. Use appropriate wire gauges based on the current ratings of the connected loads to prevent overheating and voltage drops.
During maintenance, regularly inspect the relay contacts for any signs of wear or pitting. Over time, the contacts may degrade due to arcing during switching operations. If significant wear is detected, the contacts can be cleaned or replaced as necessary. Check the tightness of the terminal connections periodically, as vibrations in the industrial environment can cause the screws to loosen. Loose connections can lead to intermittent operation or even complete failure of the module.
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Phone: +86 16626708626
