24
777S (NEMA 4X ENCLOSURE), Cont.
Load Cell Connection
CAUTION! Disconnect any external load cell power supply before connecting
load cells to the instrument. Failure to do so will result in permanent damage
to the instrument.
Loosen the cable gland connector for the load cell. This gland connector is located on the
bottom of the enclosure. Refer to Figure No. 18 for an illustration of the gland connector
layout.
1. Slip the single cable from the load cell
or load cell junction box throught the
gland connector and into the
enclosure.
2. Remove 2" of the outer insulation
jacket then remove 1/4" of insulation
from each of the four (4) wires and
shield without sense leads or six (6)
wires and shield with sense leads
(refer to Figure No. 16).
3. Connect each of the wires to the
Scale 1 terminal block for scale input
1 referring to the labels on the circuit
board for terminal connections. Refer
to Figure No. 17 for terminal block
locations.
4. To terminate, first press down on the
release bar for the terminal, insert the
wire into the opening then allow the
release bar to return to its original
position, locking the wire in place.
Repeat the procedure until all of the
wires are in place.
Figure No. 17
NOTE:
To connect the wires for scale inputs 2 through 4, remove the Serial
Transition Board to expose the scale 2 through 4 terminal blocks.
Figure No. 16
1/4”
2”
Terminal Block
Fuse
1/2 ASB (115V)
1/4 ASB (230V)
AC Power Input
(Shown with
cover removed)
Scale 1
Terminal Block
Serial
Transition
Board
RS-232
Serial Data
KB-101
Interface
RS-485
Data
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