4
10. Always have batteries in the battery charger to
ensure the availability of fully charged batteries.
11. Installation, setup and service must be performed
by authorized personnel only.
12. Use only Hetronic spare parts.
HETRONIC SYSTEM COMPONENTS
The Hetronic radio remote control system consists of a
receiver and transmitter with belt, battery charger, and
two rechargeable batteries.
RX BMS2-PWM Receiver Standard Features
• 1 E-Stop output
• 1 safety valve output
• 11 hardwired digital outputs
• Expansion of up to 16 additional digital outputs
• 8x2 PWM outputs
• 6 digital inputs
• CAN interface for control and feedback
• RS232 interface for cable control, programming
• Expanded self-diagnostics with 3 segment LED
display
• Back-up cable control interface with sure seal
connector
• 12VDC or 24VDC supply power for DC
cranes/machines
• Built-in Hetronic 70 pin quick disconnect
connector
• External antenna
RX BMS2-VC Receiver Standard Features
• 1 E-Stop output
• 1 safety valve output
• 11 hardwired digital outputs
• Expansion of up to 16 additional digital outputs
• 8 analog outputs
• 8 switching outputs for valve power supply
• 6 digital inputs
• 8 error inputs for Sauer-Danfoss valve
• CAN interface for control and feedback
• RS232 interface for cable control, programming
• Expanded self-diagnostics with 3 segment LED
display
• Back-up cable control interface with sure seal
connector
• 12VDC or 24VDC supply power for DC
cranes/machines
• Built-in Hetronic 70 pin quick disconnect
connector
• External antenna
THEORY OF OPERATION
The BMS-2 is the Hetronic designation for a receiver
with specific functions and capabilities. The system
transmitter generates the electronic signal that
communicates with the receiver. Several different
Hetronic transmitter types can be used with this
system.
•GR
•GL
•GL-3
• Nova-S
• Nova-M
• Nova-L
• Nova-XL
Hetronic radio remote control systems operate in the
400-470 MHZ range (70 cm band). The transmitter and
receiver are set with identical address codes and
frequency channels. This allows operation of multiple
systems within the same area without signal
interference.
Some of the key features of the BMS-2 System are:
• Double Monitored E-Stop
• Optional Feedback Function
• CAN or RS232 Interface
• Setup/Adjustment Software
• Quick-Set Function
• Receiver Status Display
E-Stop Function
The most important feature of the radio remote control
system is the E-Stop. The transmitter sends the E-stop
status signal along with the specified crane/machine
function. This method confirms that ongoing operations
are safe. If the E-stop pushbutton is pressed, the
E-stop relay circuitry in the receiver causes all
crane/machine motions to stop. The receiver goes into
Safe mode.
The BMS-2 receiver display will show "0 0 2" indicating
an active E-Stop condition.
To restart the system, disengage the E-stop button and
press the Start button.
The E-Stop responds faster than any other function.
When E-Stop is engaged, the system ignores any other
signal that is transmitted. E-Stop must be disengaged
before the system will respond to any other signal.
The E-Stop is self-monitoring and redundant in the
transmitter and receiver. The system performs a
self-test to ensure the E-Stop circuit is working
properly. If an error is detected, the system
automatically goes into Safe mode.
The BMS-2 receiver display will show "0 0 1" indicating
an E-Stop condition in the receiver.
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