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2.3 Electrical Installation
Electrical connections are m ade to th e s ensor m odule th rough a s tandard 1 /2 inch N PT liq uid tig ht f lexible c onduit. T he
nipple l ength m ay b e ch anged t o ex tend t he outlet box if desired. Interconnection cable recommendations are as follows:
stranded c opper, 22 t hrough 16 g age, br aided or f oil w ith dr ain w ire s hielding 0. 05 µF m aximum to tal m utual o r d irect
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 complement).
Reversing power and common will not damage the unit. H owever, applying power to
any of the sensor outputs may cause damage.
Common
B
A
Z *
No Connection
Vcc (5-15 VDC)
/B
/A
/Z *
Shield
* Applies only to units with index pulse capability.
# Pinouts are for the sensors with the MS 3102E18IT connector
The shield in the sensor module is isolated from the frame of the encoder. For maximum
noise immunity, the shield wire or pin should be connected to the shield of the cable and
that of the drive or other receiving device.
2.3.1 Quick Release Connector Hood Wiring
To install the Quick Release Connector, perform the following steps.
Remove the four screws from the mating connector housing that hold the terminal block in place. Remove terminal block
1.
from housing.
Insert wiring through liquid tight flexible seal and mating connector housing. Leave enough wire exposed to comfortably
2.
reach the terminal block. Wire to terminal block according to wire code in Table 1. A similar wiring list is attached to
enclosure.
There are two orientations of the connector hood. The terminal block can be inserted
either way so the connector hood points up or down. Choose the direction best for your
application.
Tighten Liquid Tight fitting on housing. OPTIONAL: In some hostile environments, seal between connector body and
4.
Sensor Module can be improved by smearing a sealant (silicone grease, etc.) on the neoprene seal of the connector.
5.
Mate connector into place on sensor mount and snap the two latches into place. If only one sensor is being installed,
ensure cover plate is installed over other sensor hole.
9
NorthStar SLIM Tach
Signal
Connector Pin
1
2
3
4
5
6
7
8
9
10
®
HS56 Instruction Manual
CAUTION!
Table 1. Signal Coding Table
Pigtail Cable
Black
Green
Blue
Violet
-----
Red
Yellow
Gray
Orange
Braid
NOTE
NOTE
MS 3102E18-IT#
F
B
A
C
E
D
I
H
J
G
5 May 1999
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