Position indicator incorporates I-O link interface

29th August 2022
Source: SIKO
Posted By : Mick Elliott
Position indicator incorporates I-O link interface

SIKO sees itself as a pioneer for bus-compatible position indicators for monitored size changeover, a position it is reinforcing with the AP05.

It is claimed to be the most compact version in this segment with an integrated IO-Link interface.

As the core element of monitored size changeover, networked position indicators have become an indispensable part of mechanical engineering.

Their ability to display the setpoint and actual value on the adjusting spindle to the machine operator greatly increases comfort for the setter.

This greatly simplifies the process of refitting a production machine for a new product.

At the same time, feedback on the positioning status to the machine controller increases reliability for format changes and optimizes set-up times.

Incorrect settings are prevented, which avoids rejects and damage to tools. In short, it boosts efficiency and reduces setup times.

Due to smart communication with the higher-level machine control system, the AP05 position indicator ensures that product changes and size changeovers are implemented safely and ergonomically. Setpoints, actual position values and the positioning status are exchanged, which converts the manual spindle adjustment into a monitored process.

In addition to the proven serial interfaces, the indicator’s IO-Link interface enables fast and cost-effective integration via a point- to-point connection using uncomplicated I/O connection technology.

The open, manufacturer- independent standard of the IO-Link interface, enables convenient integration options for machine control systems from all leading providers.

IO-Link Master Islands can be used for the modular networking of several AP05 position indicators.

Complexity and cabling effort are drastically reduced, as are commissioning times. The straightforward wiring, combined with additional diagnostic features, improves serviceability and lowers downtimes in the event of errors.

One key element of the AP05 is the inverted backlit LCD display. The backlighting ensures that the position values are very easy to read, even in places that are difficult to see in or in low light conditions. The LCD is designed as a two-line five-digit 7-segment display. As a result, the adjustment tracks can still be displayed with high display accuracy. The 7-segment display also allows for the additional display of alphanumeric characters, which simplifies configuration, commissioning and error diagnosis.

In addition to the directional arrows on the LCD display, the AP05 position indicator also provides clear visual user guidance via two dual-colour status LEDs. These signal the positioning status (InPos or OutPos) and indicate the required rotational direction for direct access to the desired point. The AP05 also deploys loop positioning to compensate for mechanical spindle play.

Like all SIKO position indicators, the AP05 features a hollow shaft, guaranteeing the easiest assembly possible for standard adjustable axles.

With regard to the high compactness and the optional cable outlet, the display also finds ways to be used in tightly confined spaces. The clearance of the torque bracket guarantees mounting compatibility with the world's best-selling SIKO counter DA04.

This means the indicator can be used to switch from manual adjustment with mechanical position indicator to monitored size changeover without changing the machine frame. Thanks to the high protection class of IP65 and a hollow shaft made of stainless steel or plastic, the indicator is also suitable for applications in the food industry, in beverage production, or in the pharmaceutical sector.

The display can also be used without any problems, however, for dated applications that pose difficulties, thanks to the carbon fibre reinforced plastic housing and display with impact protection.


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