The 1794-TB32 Flex I/O terminal base unit provides a secure mounting and wiring solution. This unit directly hosts compatible 1794 series I/O modules. It ensures reliable signal transmission within demanding industrial environments. Engineers trust this base for its high-density 32-point design. It simplifies complex field wiring and system organization.
Technical Evaluation and Performance Review
This terminal base operates at a maximum supply voltage of 31.2V DC/AC. Engineers can rely on its continuous voltage rating of 24V DC/AC. The unit supports a substantial current capacity of 10 Amps. This makes it suitable for powering multiple downstream devices. Its isolation voltage stands at a continuous 50 Volts. The design provides Basic Type insulation for circuit protection. This insulation is tested rigorously at 2121 Volts DC. Such testing ensures safety during a one-minute duration between terminals.

The 1794-TB32 demonstrates excellent environmental ruggedness for field use. It operates effectively within a wide temperature range. This range spans from -20 to 70 degrees Celsius. The unit also withstands non-condensing humidity levels up to 95 percent. Its construction handles operational vibration up to 5 G forces. It also survives shock ratings as high as 30 G forces. These specifications ensure stable performance in harsh factory conditions. The component holds c-UL-us and CSA safety certifications.
Step-by-Step User and Installation Guide
Start the installation by securing the 1794-TB32 to a panel or DIN rail. The unit supports both mounting methods for deployment flexibility. Ensure the mounting surface is clean and properly grounded first. Align the base unit securely onto the rail or panel. Tighten the fixing screws to the recommended torque specifications.

Next, prepare your field wiring for connection to the terminals. The base offers 32 I/O terminals for input and output signals. It provides 8 common terminals and 8 voltage terminals. Use wires with a size between 0.21 and 1.3 mm^2. Strip the wire insulation carefully before insertion.
Then, tighten each terminal screw to the correct torque value. The required screw torque is between 0.56 and 0.79 Nm. Do not over-tighten as this could damage the terminal block. Connect the power supply respecting the maximum voltage limits. Ensure the module is properly seated and locked onto the base. Verify all connections match your control system schematic before powering up. The unit’s open-style enclosure requires careful placement away from contaminants.
Logistics and Standard Packaging Details


