MHR Radio Controller Instruction Manual
June 2017
Page 19 of 58
In total, the MHR can be configured for:
Up to 8 bi-directional Current Compensated outputs (pairs are interlocked to prevent
simultaneous motion)
Up to 8 bi-directional PWM outputs (pairs are interlocked to prevent simultaneous motion)
Up to 16 single directional digital ON/OFF outputs
Up to 16 single directional digital ON/OFF inputs
NOTE: The total number of IOs on the unit is limited by its configuration, i.e. if the unit has 6 bi-
directional outputs, there will only be room for 4 digital ON/OFF outputs.
NOTE: When using PWM, the MHR supports PWM frequencies of 75 to 1000Hz for closed loop
systems and 33 to 1000Hz on open loop systems. Contact the factory if PWM frequencies
outside of these ranges are desired.
NOTE: In certain applications where the hydraulic valves utilize a negative voltage spike to
close/turn off the valve quickly (such as applications utilizing Parker Pulsar valves), Magnetek
offers the following MHR assemblies:
433MHz – 198-00149-1000
2.4GHz, Low Power – 198-00149-2001
2.4GHz, High Power – 198-00149-3000
All operational features are the same, but the internal circuits have been optimized for use with
the Parker Pulsar valves.
2.5 MHR RECEIVER BLOCK DIAGRAM
NOTE: Connections are labeled by which side the connector is on the MHR receiver, i.e. CON1 is
on the left side, CON2 is on the right side. See Figure 6 in Section 2.4 for more detail.
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