73L-ITR4100

Series:	73
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Type:	Analog Input Module
Moisture Sensitivity Level (MSL):	--
Color:	Gray
Style:	OpenLine®
Voltage - Input:	--
Voltage - Output:	--
Current - Output:	--
Turn On Time:	--
Turn Off Time:	--
Features:	--

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I/O Relay Modules

I/O relay modules are devices used to control electrical equipment and processes by switching electrical loads on and off, or allowing a greater level of control and signal processing in automated systems. The 73L-ITR4100 is a type of I/O relay module specifically useful for applications such as lighting control, HVAC control, process control, and security systems.

73L-ITR4100 Application Field

The 73L-ITR4100 is a 4-channel I/O relay module, designed for use with 24VAC/DC power supplies. It is optimized for both indoor and outdoor environments, and features an IP67-rated housing that protects against dust, oil, and water. The 73L-ITR4100 is suitable for a wide variety of applications, including lighting control, HVAC control, process control, and security systems. Its compact form factor allows it to be mounted onto walls, ceilings, or equipment panels. The 73L-ITR4100 has two independent 4-channel blocks, each containing four SPDT relays with an LED indicator for each relay channel. The relay contacts support both normally closed (NC) or normally open (NO) contacts, as well as combinations of the two. Additionally, each channel has selectable manual/automatic modes, allowing the user to easily switch between manual and automatic operation.

73L-ITR4100 Working Principle

The 73L-ITR4100 operates using digital input signals. It has four input terminals, labeled DI1, DI2, DI3 and DI4, each of which can accept a wide range of digital inputs. Depending on the configuration of the module, the input signals may be active high or active low. When an input signal is applied, the module activates its corresponding SPDT relay and the LED indicator will turn on. The 73L-ITR4100 also has a range of adjustable parameters, such as the activation and deactivation delays, and the output contact protection time. This allows the user to customize the module to suit their specific application needs. Additionally, several safety features are included, such as the output overvoltage and overcurrent protection, which ensures that the module operates safely under all conditions. In conclusion, the 73L-ITR4100 is a highly versatile I/O relay module, designed for use in a wide range of applications. Its robust design and adjustable parameters make it ideal for projects requiring precision control and reliable operation.

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