J+Jís J3 Smart Red Box

Has Plug & Play Function Conversion Kits

BSR and DPS kits are installed providing failsafe modulating functionality

BSR and DPS kits are installed providing failsafe modulating functionality

In a modern Ďjust in timeí world, it is a common demand on suppliers to hold stock of every item with every option available. In the electric valve actuator sector, this is normally unrealistic as there are many possible external power supply options, failsafe options and modulating options, which for most manufacturers would require a huge value of stock to cover all the possible combinations. Consequently requirements for failsafe or modulating actuators, or failsafe modulating electric valve actuators are quoted on factory lead times.

Uniquely, J+J donít have this problem. The feature rich J3 Smart Red Box can have its standard on-off functionality converted to either failsafe, modulating, or failsafe modulating, by the addition of a simple to install, user friendly plug and play function conversion kit. These kits are held in stock by J+J so that the delivery time is usually within 24 hours.

For electric failsafe functionality, J+Jís BSR (Battery ĎSpring Returní) plug and play kit adds an industrial rechargeable battery and control PCB which contains a trickle charging system to maintain the battery at full strength. During normal operation the external power is used to trickle charge the battery, on external power failure the battery power is used to send the actuator to the predetermined failsafe position, which can be set to fail closed, or fail open.

J+Jís DPS (Digital Positioning System) plug and play kit contains a positioner PCB for modulating function, and a replacement cover with the extra DIN plug for the control signal. When the user friendly DPS kit has been installed, its self-calibrating capability automatically sets the zero and span according to the valve being controlled (typically 90 or 180 degree rotation), and the unit is ready for service. 0-10V or 4-20mA control signals can be applied, and an output signal is provided.

J+J Automation UK Ltd
Tel: 01386 552254
www.jjautomation.com


Published: 13th May 2014

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