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 In order to eliminate the mass of wiring that would be required to route the wires from all the digital / RPM sensors that could be connected to the Pro Series data recorders, Racepak has developed this RPM Module. It collects the input from the various sensors and transfers them to the recorder via a single cable. Additionally it provides an LED indicator for each sensor that verifies channel activity. RPM Modules can collect input from clutch, drive shaft, and ring gear sensors, multiple flow meters, as well as the power switch. Consult with the Racepak Technical Department on specific uses.
Note: the purchase of an RPM Module or sensors alone does not insure their ability to record a sensor’s activity. The data recorder must have an available digital channel properly configured for each sensor’s use.
Sensors
The following RPM sensors are those commonly used in conjunction with the RPM Module.
| TDC, Zero Crossing (MSD type) |
|
800-SS-TDC-3 |
| RPM, Zero Crossing |
|
800-SS-ZX-3 |
| Front Wheel RPM/Speed, Hall Effect, 3 Pin |
|
800-SS-HEM-3 |
| Ring Gear, Hall Effect, 3 Pin |
|
800-SS-MSC-3 |
| TDC, Zero Crossing (MSD type) |
|
800-SS-TDC-3 |
Cables
The following selections of cables are those commonly used with the RPM Module.
| Module to Recorder, 13 Pin |
|
800-CA-13H-(specify length) |
| Module to Flow Meter |
|
800-CA-FM-(specify length) |
| Module to RPM Sensor, 2 Pin |
|
800-CA-2PM-(specify length) |
| Module to Powered RPM Sensor, 3 Pin |
|
800-CA-3PM-(specify length) |
| Module to Zero Crossing RPM Sensor |
|
800-CA-3PF-(specify length) |
| On/Off Switch Assembly |
|
800-CA-PWR-(specify length) |
Each of the conventional-style data recorders has dedicated terminals for the input of the engine RPM signals. This signal is sourced with a combination of a primary spark sensor and a fiber optic cable. The primary spark sensor picks up the spark pulse between the magneto and the coil/control box, or at the tach terminal on an electronic ignition control box. A fiber optic cable is then used to relay the signal from the spark pickup module to the recorder. Battery and magneto ignition systems require different spark pickup modules that are not interchangeable.
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Engine RPM Pickup, Magneto Ignition |
800-OP-MAG |
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Cable, Fiber Optic (specify length)
- for use with Magneto Pickup 800-OP-MAG |
800-OP-CABLE
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Engine RPM Pickup, Battery Ignition |
800-OP-MSD |
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