DYNAPAR NorthStar RIM Tach 1250 Instruction Manual - Page 13

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2.2.6 Sensor Module Installation

Remove sensor module and mating connector from packaging.

Although the device is protected from Electrostatic Discharges up to 2000 Volts, standard ESD

precautions should be followed.

2. Separate mating connector from sensor module by releasing the two latches.

Use caution when handling the sensor module. The sensor at the end of the module can be

easily damaged by sharp objects. The sensor module can be damaged by sudden shocks

(dropping, hammer blows, etc.).

3. Insert sensor module into opening in enclosure. The sensor assembly is keyed to ensure proper orientation (blue side

goes toward motor facing).

4. Locate socket head screws. Insert the screws through clearance holes in sensor module and into tapped holes in

enclosure. Tighten to a nominal 7.5 in-lbs.

There should not be a gap between the lip on the housing and the enclosure. The stainless steel

sensor module is designed to seat in metal to metal contact with the enclosure. Ensure that no

gaskets, paint, dirt, etc., interferes with the complete seating of the module in the enclosure.

2.3 Electrical Installation

Electrical connections are made to the sensor module through a standard 1/2 inch NPT liquid tight flexible conduit. The

nipple length may be changed to extend the outlet box if desired. Interconnection cable recommendations are as follows:

stranded copper, 22 through 16 gage, braided or foil with drain wire shielding 0.05 µF maximum total mutual or direct

capacitance, outer sheath insulated. Shrink tubing may be placed over any wires without insulation. For lengths over 100

feet, use 18 gage or larger, to a maximum of 1000 feet. If shielded twisted pair wire is used, do not cross channels. Keep

each pair of complementary channel outputs together in a single twisted pair (e.g., A and A ).

NorthStar RIM Tach

1250 Instruction Manual

Figure 9: Sensor Module Installation

Dynapar (847) 662-2666

17 November 2008