SHRK Mine Radio Controller

The SHRK is a control component with application software designed to organize information exchange between field devices and network-level devices (upper-level system) via the RS-485 interface or the wireless IEEE 802.15.4 interface, with the capability of autonomous operation from the built-in battery module.

General characteristics:

Explosion protection marking	PO Ex ia I Ma
Operating temperature, °C	from minus 40 to plus 70
Ingress protection rating	IP65
Protection class against electric shock	III
Type of internal power source	battery module Ex SM.008.004.000.000
Battery capacity, A·h	13
Wired communication interface	RS485 with intrinsic safety type "ia"
Maximum communication line length (without repeaters), m	1200
Wireless communication interface	ZigBee / IEEE 802.15.4
Maximum radio communication range (line of sight), m	600
RS485 communication protocol	Modbus RTU
Overall dimensions, mm	226 × 187 × 141
Weight, kg	3.2

Application area

Underground workings of mines and pits and their surface structures, including those hazardous due to gas and dust, in accordance with explosion protection marking, operating conditions, and industry Safety Regulations requirements.