PLCs, Power Supplies & Others

Technical Specifications Overview

The table below details the core technical parameters of this termination unit.

Comprehensive Analog Interface and Connectivity

The NTAI06 termination unit provides a centralized, high-density wiring interface for analog input modules in the Procontrol P14 and AC 800M systems. This termination unit accommodates a broad range of analog signal types, including 4-20 mA current loops, 0-20 mA signals, ±10 V voltage inputs, and RTD temperature sensors with 2-, 3-, or 4-wire configurations. A 34-pin flat ribbon cable links the termination unit directly to the corresponding analog input module, creating a clean and organized system architecture.

The unit offers 16 dedicated channels, each featuring clearly marked terminals for signal, return, and shield connections. This clear labeling ensures correct wiring during installation and dramatically reduces the likelihood of connection mistakes. The removable screw terminal block enables engineers to perform all field wiring before mounting the unit, which significantly speeds up system commissioning and reduces downtime.

RTD Support and Precision Signal Handling

This termination unit excels in temperature measurement applications, supporting both 2-wire, 3-wire, and 4-wire RTD configurations. The inclusion of dedicated compensation terminals for 3-wire RTDs eliminates lead wire resistance errors, ensuring accurate temperature readings over long cable runs. The unit maintains signal integrity through careful terminal layout and shielding connections, which minimize noise pickup from adjacent power cables.

Physical Design and Installation Flexibility

This termination unit measures 67 mm in width, 130 mm in height, and 120 mm in depth, with a weight of 0.36 kg. The compact footprint supports high-density installations within standard control cabinets, maximizing available panel space. Users can mount the NTAI06 either on a DIN rail or directly onto the backplane, providing excellent versatility for diverse panel layouts and installation preferences.

The screw terminals accept wires up to 2.5 mm² (AWG 14), ensuring secure and reliable connections for both analog signals and power wiring. The unit incorporates strain relief features that prevent accidental cable disconnection due to vibration or mechanical stress commonly found in industrial environments.

System Integration and Maintenance Benefits

This termination unit operates as a passive interface device, requiring no external power supply for its function. The NTAI06 eliminates the need for custom cable harnesses or additional junction boxes, reducing overall installation cost and system complexity. It provides a standardized, repeatable wiring solution that enhances consistency across multiple projects and simplifies future maintenance activities.

The clear front-panel labeling identifies each channel’s signal type and terminal assignments. Consequently, maintenance personnel can quickly trace and troubleshoot field wiring without reference to system drawings, reducing mean time to repair (MTTR). The unit operates reliably across a temperature range of 0°C to 60°C and withstands humidity from 5% to 95% (non-condensing).

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