CAN Relay Box


The CAN Relay Box is a com­pact PLC with CAN bus in­ter­face. It is user con­fig­urable / pro­gram­ma­ble and ide­ally suited for a wide range of au­to­mo­tive ap­pli­ca­tions.



  • 9 - 30 V DC
  • 13 analog inputs
  • 3 status LEDs for CAN bus and module status
  • User programmable via MRS Developers Studio
  • CANopen and SAE J1939 compliant
  • Housing dimensions: 95 x 85 x 35 mm
  • CAN high speed interface (CAN low speed is optional)
  • 12 potential-free relays with software based switching (4 A continuous load)
  • CAN wake-up is configurable via DIP switch
  • CAN terminating resistor is selectable via DIP switch
  • CAN ID setting via DIP switches for multiple devices with the same software (2 DIP switches --> 4 ad­dresses)

Application Examples

Application Examples
CANopen I/O mod­ule
Tow trucks
Ve­hi­cle cus­tomiza­tion
Spe­cialty ve­hi­cles


Product Details

Product Name Model Order No.
CAN Relay Box HS high speed 1.​047.​300.​00E
CAN Relay Box LS low speed 1.​047.​310.​00E


Product Name Order No.
Starter kit CAN Relay Box HS 1.​100.​110.​24
Pro­gram­ming tool MRS De­vel­op­ers Stu­dio 1.​100.​100.​09
PCAN USB in­ter­face 105358
Cable set for pro­gram­ming 109639
Con­nec­tor pack­age CAN Relay Box 109637
Cable FLRY 2 x 0.5 mm² white/green SL20 113085