EBMBBTT50TED36 EATON Digital Input Module
Item NO.:
EBMBBTT50TED36 EATONGoods Stock:
3Payment:
T/TProduct Origin:
U.S.Color:
NewShipping Port:
ChinaLead Time:
2-3daysWeight:
0.55kgBrand:
EATONEBMBBTT50TED36 EATON Digital Input Module
Product Description:
The EATON Digital Input Module serves as the interface between discrete (on/off) field devices and the central processing unit (CPU) of an automation system. Its primary function is to receive electrical signals from devices such as pushbuttons, limit switches, proximity sensors, and selector switches, convert these signals into a digital format (binary 1 or 0), and then transmit this information to the PLC processor. The module typically features isolation mechanisms (like optical isolators) to protect the low-voltage control circuitry from electrical noise and potential high-voltage spikes originating from the field wiring. These modules are available in various configurations, including sinking (sourcing current from the load) and sourcing (supplying current to the load) types, to match different types of field devices and wiring standards.
Key operational and physical parameters for EATON Digital Input Modules typically include:
Number of Channels/Points: Common configurations include $8$, $16$, or $32$ input points per module.
Input Voltage: The module is rated to accept specific voltage levels, typically $24 \text{ V}_{\text{DC}}$ or $120 \text{ V}_{\text{AC}}$, with defined limits for "ON" state and "OFF" state detection.
Input Current: The small amount of current required to trigger the "ON" state, usually in the range of a few milliamps.
Response Time: The speed at which the module can detect and register a change in the input signal, often in the range of $1 \text{ ms}$ to $10 \text{ ms}$.
Isolation: Specifies the electrical isolation level between the field wiring and the PLC backplane, often measured in $V_{\text{AC}}$ or $V_{\text{DC}}$.
Wiring Type: May support single-wire connections, or require three-wire or four-wire sensor connections, using terminal blocks or quick-connect ports.
EATON Digital Input Modules offer several advantages for industrial automation systems. They provide robust noise immunity and electrical isolation, ensuring reliable and accurate signal transmission even in electrically noisy industrial environments. Their modular design allows for flexible system expansion and simplified maintenance; a faulty module can be replaced quickly without affecting the entire control system. The modules are designed for high reliability and durability, minimizing the risk of failure and reducing machine downtime. Furthermore, many EATON modules support channel diagnostics, which can detect open circuits or short circuits in the field wiring, greatly simplifying troubleshooting efforts.
When installing and operating EATON Digital Input Modules, several precautions are necessary. The input voltage and current ratings of the field devices must strictly match the specifications of the module to prevent damage or unreliable operation. Proper grounding and shielding practices for field wiring are essential to minimize the effects of electromagnetic interference (EMI). Users must ensure the correct wiring configuration (sinking or sourcing) is used to interface with the specific type of sensor or switch being connected. Finally, when replacing a module, it is important to use the exact or a fully compatible replacement part and verify that the system is de-energized to prevent electrical hazard and damage.
EATON Digital Input Modules are used wherever discrete status monitoring is required in industrial processes. They are fundamental in monitoring machine status by connecting to limit switches that detect the position of moving parts, or pressure switches that indicate fluid status. They are widely used for operator interface feedback from pushbuttons, emergency stops, and selector switches on control panels. In safety and interlock systems, they monitor protective barrier states and gate closures. They are also integral to sequential control processes where the next step is initiated by a binary event, such as a part being detected by a proximity sensor on a conveyor belt.
The structure and details of the product:

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Shipping Port: China
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Warranty: one year
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