The MK91 control module is designed to test the operation of the alarm and protection functions of Vibrobit 300 equipment in manual mode on any measurement channel, without the need for manual commutation. The module is an adjustable signal source that simulates signals from a sensor (transducer). Testing can be performed in any operating mode of the equipment.

Key features:

• Installation in the dedicated position of the section
• Voltage operation for channels 7 and 8
• Setting the test signal parameters in manual mode
• Individual output activation
• Multi-turn adjusting potentiometer