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AMS4A051 Hoistman's Panel Specification May 2007
Page 7 of 10
2.2.3 ENCODER IN (J1)
The cable running from the encoder on the measuring head
attaches to this connector. From this connector, the panel
provides 5 vdc power to the encoder and accepts the encoder
quadrature signal input. It is designed to work with standard BEI
encoders or any encoder compatible with BEI standards.
2.2.4 LOAD PIN IN (J2)
This connector is used to connect to the load pin. The panel
pr/-15VDC power to the load pin and gets the tension
signal input from this connector.
2.2.5 ENCODER OUT (J3)
This connector provides an encoder quadrature data output. This
data can be used to provide depth data to the acquisition system.
The output data is fixed at 120 PPF regardless of line size, wheel
size, or encoder PPR. No encoder power is provided.
2.2.6 TENSION OUT (J4)
This connector provides either a 4-20ma tension signal or a 0-
10vdc tension signal output to the acquisition system.
The 4-20ma signal is provided on pins D and C (gnd). 4 ma = 0
lbs, 20 ma = 12,500 lbs.
The 0-10vdc signal is provided on pins B and C (gnd). 0 vdc = 0
lbs, 5vdc = 6250 lbs, 10vdc = 12,500 lbs.
2.2.7 12 – 24 VDC (J5)
This connector supplies dc power for the panel operation (9 VDC
min, 30 VDC max). The panel can operate on either 12 or 24 vdc
(12 vdc is U.S. truck standard voltage, 24vdc is European truck
standard voltage). Pin A is positive, pin B is negative.
2.2.8 OVER TENSION CONTACT (J7)
This connector provides a connection to the overtension circuit
relay. When an overtension condition is active, the two pins are
connected together. In a normal position the two pins are open.
This feature can be used to interface to the winch unit control
system to provide automatic hoist shutdown when an overtension
condition is reached.