ABB PFVL141C Tension sensor

Mounting Direction Mount in a vertical direction on a wall as shown in the figure below. Cool the digital torque amplifier either with natural convection or a fan. Be sure to maintain this direction. Securely fix the digital torque amplifier to the mounting surface by using the mounting holes at 2~4 locations (the number of holes will differ depending on capacity).Mount the amplifier with sufficient peripheral space around the digital torque amplifier consideration of the above figure so as to achieve sufficient cooling by either a fan or natural convection.

Digital Torque Amplifier Mounting Standards

 Observe the standards for mounting into a control panel shown in the figure below, including those cases where multiple digital torque amplifiers are installed in parallel within a control panel (hereafter referred to as a “parallel platform”)Mount the digital torque amplifier so that the front side faces the operator. Side-by-side Installation When installing digital torque amplifier side by side as shown in the figure above, allow at least 0.39in (10mm) between and at least 1.97in (50mm) above and below each digital torque amplifier. Install cooling fans above the digital torque amplifiers to avoid excessive temperature rise and to maintain even temperature inside the control panel.

Protection Sequence Design 

This section describes the methods for integrating a protective sequence for safety purposes using I/O signals from the digital torque amplifier.The basic method for continuing alarm-related “output signals” is shown below. Prepare an external 24V usage power source. No 24V power source is integrated in the digital torque amplifier. The photocoupler output signal is handled as follows:The output is “ON” when the digital torque amplifier detects an error.Be sure to configure the external circuit so that the main power to the digital torque amplifier goes OFF at alarm output. ■ Servo ON Input Serial Input Signal: The basic connection method and for Servo ON (/S-ON) is displayed below. This is used to forcibly stop the servomotor in a “non-powered” state.

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