New functions added on the Flexible Positioning Unit, FPU

New functions added on the Flexible Positioning Unit, FPU

When we discuss with the users of our positioning unit, we sometimes come across new ways of using it, and some of our customers also come with ideas of new functions. The functions that we see a general benefit from get added to the firmware. Most of the new functions can be turned on and off, so the users can choose which functions they want.

In the latest update, we have added the following functions:

Soft-Start

When re-starting an exhausted system, the unit monitor the pressures, and slowly build up pressure to avoid rapid movement that isn’t wanted. Standard on all units from April. Software update available for older units.

Enable function with pre-determined default function

Some customer have asked for an ”Enable signal” possibility, with pre-determined default function when the enable signal dissappear. This function has been added, and can be turned ON or OFF as not all customers want it.

The ”Enable function” has 4 modes that can be chosen for when the ENABLE signal dissappear:

1: Valves passive – all valves closed (trapped air), no movement even if a position signal is sent.

2: Exhausted Position – No air to the actuator even if a position signal is sent.

3: Retracted Position – Actuator return to home position

4: Extended Position – Actuator engage full stroke and stay in end position

Example video : https://youtu.be/jruuFDhkDkk

The enable function is currently only available for users using 4-20 mA position control as we use the voltage port for Enable signal. Next generation of the unit (released in August) will have separate enable port, so it will be available for all users. The enable function possibility is added from April, Software update available for older units.

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