WIKA Mobile Control LP
1540 Orchard Drive
Chambersburg, PA 17201
qSCALE maestro (PLC v01.00.00) Service Manual / Issue E (HMI v1.0.0) 04/2018 / rbm.
Service : (717) 217-2250
Parts / Sales : (717) 217-2269
www.wika-mc.com
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HIRSCHMANN MCS
3 Description of the System
The maestro system (also referred to as ‘RCL’) is a CAN bus system comprised of a central
microprocessor unit, operating console, angle sensor, tilt sensor, load pin, and anti-two block
switch. All components and sensors are equipped with CAN bus controllers.
When limits are reached an overload warning signal is generated at the operator’s console. At
the same time, the Function Kick Out (FKO) outputs are deactivated thus ‘locking out’ the opera-
tor and stopping aggravating machine movements. The fixed data regarding the machine (ex.
capacity charts, boom weights, centers of gravity, etc.) are stored in memory chips in the central
processor unit. This data is the reference information used to calculate the operating conditions.
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