2011 Strata Proximity Systems Underground PAD Users Manual v1.0 Strata Proximity Systems, LLC 1769 Jeff Road Huntsville, AL 35806 1.800.691.
Strata Proximity Systems Underground PAD Users Manual v1.0 Confidentoial Confidential and Proprietary September 1, 2011 Table of Contents 1 2 Overview .............................................................................................................................3 1.1 Theory of Operation ......................................................................................................3 1.2 Frequency of Operation ........................................................................
Strata Proximity Systems Underground PAD Users Manual v1.0 Confidentoial Confidential and Proprietary 1 September 1, 2011 Overview The Underground PAD is a component of the HazardAvert™ Proximity Detection System from Strata Proximity Systems (SPS). HazardAvert™ provides warnings to individuals and machinery to alert them that an individual wearing the PAD has entered too close to an operating piece of equipment and is in a dangerous situation.
Strata Proximity Systems Underground PAD Users Manual v1.0 Confidentoial Confidential and Proprietary September 1, 2011 If the PIC determines that the received field is above the threshold level, it sends a logic signal and data to an internal RF Transmitter Board. The RF Transmitter Board contains a LINX TXM916-ES transmitter Integrated Circuit. The TXM-916-ES generates and frequency modulates a 916.48 MHz carrier with the data sent from the PIC microcontroller on the PAD System Board.
Strata Proximity Systems Underground PAD Users Manual v1.0 Confidentoial Confidential and Proprietary September 1, 2011 The Strata label defined the Software (sw) version and Interface model number used inside the PAD. The MSHA label provides the MSHA approval number, specific MSHA certification, serial number and operational warning for fresh air charging only. 1.4.1.
Strata Proximity Systems Underground PAD Users Manual v1.0 Confidentoial Confidential and Proprietary 1.4.1.2 September 1, 2011 Pennsylvania Blasting Distance Pennsylvania approval requires that the Underground PAD must be installed at a minimum safe distance of 17 feet from blasting circuits, explosives, and detonators. Note: Pennsylvania generates such requirements by multiplying the MSHA determined minimum distance of 40 inches by a factor of 5. 1.
Strata Proximity Systems Underground PAD Users Manual v1.0 Confidentoial Confidential and Proprietary September 1, 2011 2.1.1 Interoperability Warning The Underground PAD may experience erratic responses when in very close proximity to some electronic devices. Electrical devices may transmit an electrical field and noise from these fields may cause interference with the PAD’s reception.
Strata Proximity Systems Underground PAD Users Manual v1.0 Confidentoial Confidential and Proprietary 2.4 September 1, 2011 Buttons Any user can stop all machines in their line-of-sight by using the Remote Stop capability programmed into the Underground PAD. By simultaneously pressing any two of the three buttons on the PAD for at least one (1) second, the PAD will transmit a Remote Stop signal to all equipment in range of the PAD.
Strata Proximity Systems Underground PAD Users Manual v1.0 Confidentoial Confidential and Proprietary 2.5 September 1, 2011 Maintenance The Underground PAD should be cleaned after each use to ensure all buttons and connectors are free of all dust and dirt. 3 Warranty Initial system hardware components will be warranted to be free of defects for a period of one (1) year from in service date. Subsequent component purchases will be warranted one (1) year from receipt acknowledgement.
