FAMAC MRS RADIO CONTROL

The radio control system is composed of: the MRS-CU radio receiver and the battery-powered MRS-RU remote controler, or multiple RC’s. This system is commonly applied in the control systems of longwall shearers manufactured by FAMUR.

RADIO RECEIVER CHARACTERISTIC:

  • machine control/operation from two remote controllers with possible assigning authorizations
  • operating status signalling (LED diodes)
  • RS485 interface (MODBUS RTU protocol)
  • relay output (safety system independent of the control system)

PILOT CHARACTERISTIC:

  • membrane keypad with pictograms dedicated for a particular machine
  • colour LCD display
  • possible battery replacement in a possibly explosive atmosphere
  • runtime without battery replacement not less than 8 hours
Type Radio Receiver MRS-CU Remote controller MRS-RU
Supply voltage 24 V DC 7.4 V DC (dedicated battery)
Communication RS485 MODBUS RTU RS485 MODBUS RTU
Radio parameters band 433 Mhz band 433 Mhz
Radio parameters radio signal power 20 mW radio signal power 20 mW
Permissible ambient temperature  0-60 °C 0-40 °C
IP degree IP54 IP54
Weight 4.1 kg 1.0 kg (RC with battery)
Designation  1453  I M2 Ex d [ib] I Mb  1453  I M1 Ex ia I Ma