The 1794-IB8 provides eight current sinking inputs for your control system. This module fits directly into the Flex I/O terminal base unit. It makes a secure connection with field devices and the I/O bus. You can replace modules under power without system restart. This feature saves valuable production time and removes inefficiency.
Reliable Digital Input Module for Your Application
Engineers trust this module for its robust reliability and flexible design. It delivers cost-effective performance for various industrial tasks. The 1794-IB8 accepts DC input signals from sensors and switches. Its modular design simplifies system expansion and maintenance. You get a dependable solution for discrete monitoring needs.
Precise Electrical Specifications
The module operates with a nominal 24V DC on-state voltage. Its on-state voltage range spans from 10V DC minimum to 31.2V DC maximum. The on-state current requires a minimum of 2.0mA and reaches 12.0mA maximum. Off-state voltage sits at a maximum of 5V DC. Off-state current must not exceed 1.5mA. The nominal input impedance measures 4.6 kΩ.
Efficient Power Management
This component draws only 20mA from the FlexBus at 5V DC. Its maximum power dissipation is just 3.5W at 31.2V DC. This low power consumption keeps your panel cool. It reduces overall energy costs for your facility. Efficient operation extends the life of your system.
Built-In Diagnostic Capabilities
The module includes 16 yellow LED status indicators for each channel. These LEDs clearly show input device and output signal status. You can quickly identify channel activity without extra tools. This visual feedback speeds up troubleshooting significantly. The D version offers enhanced diagnostics for deeper insights.
Designed for Harsh Environments
The XT version handles extreme environmental conditions easily. Both versions reduce panel space and maintenance costs. The standard unit operates in temperatures from 0 to 55 °C. Relative humidity ranges from 5 to 95% noncondensing. This durability ensures long service life in demanding settings.
Flexible Communication and Compatibility
The 1794-IB8 supports multiple network protocols for easy integration. You can use ControlNet, DeviceNet, or EtherNet/IP networks. Universal Remote I/O also provides a communication option. It mounts easily on a standard DIN rail. Compatible terminal bases include the 1794-TB3 and 1794-TB3S.
Cost-Effective System Scalability
You can insert or remove this module without direct wiring. This feature eliminates system restarting and saves time. The module’s popularity comes from its reliability and flexibility. Its cost-effectiveness makes it ideal for many applications. Modular design allows simple system upgrades later.
Procurement and Selection Guide
Select this module for 8-point DC sinking input applications. Ensure your system voltage falls within the 10-31.2V DC range. Verify your network uses EtherNet/IP, ControlNet, or DeviceNet. Choose the XT version for extreme temperature environments. The D version provides advanced diagnostic functionality.
