Input/Output Signals of the AML (AML-L B) System (GR-120N-1) CN3 connector signals and functions are shown below: CN 3 connector Pin No.
1
Signal names and functions
Name
TR1
Signal name: AML 90% or less (safety) output OC (Open collector) output turns ON when the moment ratio is less than 90%. OC output “ON” (DC0V): External indicator lamp indicating 90% is lit. OC output “OFF” (DC24V): External indicator lamp indicating 90% goes out. While the boom lift with the jib mounted is performed, OC output turns ON when the moment ratio is 80% or less. When the jib set pin is out of inserted condition, the AML assumes that the jib is mounted.
2
TR2
Signal name: AML 90% alarm output OC (Open collector) output turns ON when the moment ratio is between 90% and 100%. OC output “ON” (DC0V): External indicator lamp indicating 90% is lit. OC output “OFF” (DC24V): External indicator lamp indicating 90% goes out. While the boom lift with the jib mounted is performed, OC output turns ON when the moment ratio reaches the range below: 80% Moment ratio < 90% When the jib set pin is out of inserted condition, the AML assumes that the jib is mounted. Signal name: AML 100% alarm output OC (Open collector) output turns ON when the moment ratio exceeds 100% or automatic stop function is cancelled. OC output “ON” (DC0V): External indicator lamp indicating 100% is lit. OC output “OFF” (DC24V): External indicator lamp indicating 100% goes out. Condition to turn ON OC output Moment ratio
3
TR3
100%
While the boom lift with the jib mounted is performed, OC output turns ON when the moment ratio reaches the range below: Moment ratio 90% When the jib set pin is out of inserted condition, the AML assumes that the jib is mounted. Overwind cutout disable switch: Pressed Swing stop/override switch: “OVERRIDE” AML emergency switch: “Emergency” + PTO switch: “OVERRIDE”
4
TR4
Signal name: Auxiliary winch high-speed hoist-down operation output OC (Open collector) output turns ON when the auxiliary winch hoist-down operation is detected with the actual load less than the specified value (200kg). High-speed hoist-down operation is performed when the auxiliary winch high-speed down hoisting switch is set to ON. OC output ON (DC0V): High-speed hoist-down operation is performed. OC output OFF (DC24V): Normal hoist-down operation is performed.
25
W301-0212E
