Note; All products on this site are special products, the market price has been fluctuating, the specific customer service offer shall prevail, because the product is a new product, the picture is not a real shot, please confirm with customer service before placing an order model and product, price and other details, the site used, new are for sale, please contact customer service communication. The Triconex 3624 is a triple modular redundant (TMR) monitoring digital output module specifically designed for safety-critical applications. It adopts a TMR architecture, enabling the system to operate normally even if a single channel fails, thus boasting extremely high reliability. This module can receive digital signals from controllers and is used to drive external devices such as valves and motors, realizing safety protection functions. It is equipped with a self-diagnostic function, capable of detecting faults online and giving alarms. With a modular design, the module supports hot swapping, facilitating maintenance and expansion. It is widely used in industries such as petrochemicals and electric power, providing stable and reliable digital outputs for industrial automation and control systems.
DATA SHEET
Triconex 3624.pdf
Basic Attributes
- Type: 24 VDC monitored digital output module, belonging to TMR (Triple Modular Redundant) monitored digital output modules.
- Color code: Turquoise green.
- Number of output signals: 16, with a common ground.
Electrical Specifications
- Recommended voltage range: 16–30 VDC.
- Maximum voltage: 36 VDC.
- Logic power: < 10 watts.
- Current rating:
- Maximum: 0.7 amps per point, 4.8 amps surge / 10 milliseconds.
- Minimum required load: 30 mA.
- Leakage current to load: Maximum 4 mA.
- Short-circuit detection threshold (off state):
- Typical < 10Ω, worst case 5–22Ω.
Protection and Isolation
- Fuse (field terminal): Not required; output switches have self-protection functions against overvoltage, overtemperature, and overcurrent.
- Point isolation: Minimum 1500 VDC.
- Inductive kickback protection (back electromotive force): Reverse diodes on the I/O module.
Status Indicators
- Switch status: 1 per point, indicating on or off state.
- Module status: Equipped with Pass, Fault, and Active indicator lights.
- Field alarms: Power and Load indicator lights (1 per point).
Diagnostics
- Output diagnostic fault coverage:
- Maximum output switching rate: One scan plus 100 milliseconds.
- Minimum output switching rate: Not required.
- Diagnostic glitch duration: Maximum 2 ms, typical 500 µs.
Structure and Connections
- Simplified schematic involves: Triple I/O bus field circuits, intelligent I/O controllers, register points, bus transceivers, output switch drive circuits, microprocessors (µProc), loopback detectors, etc. All output switches are optically isolated.
- Front panel: Equipped with multiple LOAD/ FUSE and LOAD interfaces, corresponding to 16 output points, along with related status indicators.
Other Notes
- Similar to the 3623 and 3623T modules, in the main-standby module setup, only the main module activates the point LED indicators, while the standby module does not.
- Power must be supplied to all points, including unused points on non-shared panels.
The Triconex 3624 is suitable for industries with high requirements for safety and reliability, and is used in scenarios such as emergency shutdown, equipment control, and safety interlocking. Details are as follows:
Petrochemical industry: It can be used to control valve switching, pump start-stop, etc., to realize safety interlocking functions. In case of abnormal situations, it can quickly cut off relevant equipment to prevent accidents such as fire, explosion, and leakage, ensuring production safety.
Power industry: It is often used to control equipment such as circuit breakers and transformers, and can also be applied to the safety protection systems of power plants and substations. When faults such as overload or short circuit occur in the power system, it sends control signals in a timely manner to protect power equipment and ensure the stable operation of the power grid.
Metallurgical industry: It can be used to control motors, hydraulic systems, etc., and also perform safety control on equipment such as blast furnaces and converters. For example, in the process of blast furnace ironmaking, it monitors the operating status of equipment in real time and performs emergency shutdown when abnormalities occur, avoiding equipment damage and production accidents.
Pharmaceutical industry: It is used to control key equipment and production processes, ensuring the safety and stability of pharmaceutical production and that drug quality meets standards.
Transportation industry: It can be used to control key safety equipment. For instance, in railway systems, it precisely controls signal control equipment and turnouts to ensure the safe operation of trains.
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