OMRON NS-CA001 Video Input Unit

The OMRON NS-CA001 is a video input expansion unit designed for use with OMRON NS series programmable terminals (touchscreens). This module allows the NS display to accept composite video signals from standard CCTV cameras, providing live video monitoring directly on the HMI screen. It enables operators to visually observe remote machinery, conveyors, or process areas without leaving the control panel, enhancing safety and operational efficiency.

The NS-CA001 plugs into the expansion slot of the NS terminal, enabling the overlay of video images with HMI graphics (such as alarms, buttons, and data) for intuitive operator guidance. It supports both PAL and NTSC video standards and includes adjustable brightness, contrast, and color settings. The unit is ideal for quality inspection, machine vision preview, and remote monitoring of hazardous areas.

Technical Specifications

• Video input: 1 x composite video (RCA connector), 1 Vp‑p, 75 Ω

• Video standards: PAL (4.43 MHz) and NTSC (3.58 MHz) – auto‑detecting

• Resolution: Up to 720 x 576 (PAL) / 720 x 480 (NTSC)

• Display modes: Full‑screen, windowed (adjustable size and position), and picture‑in‑picture

• Image adjustments: Brightness, contrast, saturation, hue (software controlled)

• Overlay support: Video can be displayed behind or in front of HMI objects (transparent areas defined)

• Power supply: 5 V DC (from NS terminal), 200 mA max

• Dimensions: 56 x 86 x 24 mm (without connectors)

• Operating temperature: 0°C to +50°C

• Compatible NS models: NS5, NS8, NS10, NS12, NS15 (with expansion slot)

Functional Capabilities

• Real‑time video feed: Display live camera images with minimal latency (< 100 ms).

• User‑definable overlay: Operators can view HMI screens simultaneously with the video, e.g., showing setpoints over the actual view.

• Snapshot capture: The unit can capture still images and save them to the NS terminal’s memory or external storage.

• Video triggering: Video display can be activated by an alarm, PLC bit, or touch action, directing operator attention to relevant events.

Typical Applications

• Packaging inspection: Checking label placement or fill levels via a camera mounted on the line.

• Robotic workcells: Showing the robot’s workspace to operators from a safe distance.

• Conveyor monitoring: Observing product flow on long conveyors without physical patrol.

• Remote equipment viewing: Monitoring furnace interiors, tank levels, or hazardous areas.

Integration and Configuration

The NS-CA001 is configured using OMRON’s NS‑Designer software. The video input is treated as a special display object; users can set the window position, size, and video parameters. The unit automatically detects the video standard. Multiple NS‑CA001 units cannot be used simultaneously (only one video input per terminal). The module communicates with the NS terminal via the internal bus; no additional wiring is required beyond the video cable.

Installation

Insert the NS-CA001 into the dedicated expansion slot on the rear of the NS terminal and secure it with screws. Connect the coaxial cable from the camera to the RCA input. Ensure the camera is properly shielded to avoid ground loops. The terminal may require a firmware update to support video functions; consult the NS series manual.

Environmental and Compliance

The unit operates in 0‑50°C and 10‑90% RH (non‑condensing). It is CE marked and RoHS compliant.

Conclusion

The OMRON NS-CA001 video input unit adds valuable visual monitoring capabilities to NS series HMIs, enhancing operator situational awareness and facilitating faster decision‑making in industrial processes. Its ease of integration and adjustable display options make it a practical addition to modern control panels.