Input/Output Signals of the AML System (GR-600-1/GR-800-1)
CN 2 connector Pin No.
Signal names and functions
name
Signal name: AML alarm relay output This relay contact turns ON and outputs alarm buzzer when the crane is overloaded. Relay ON (DC24V): Alarm buzzer is output. Relay OFF (DC0V): Alarm buzzer is not output. Relay output OFF
Moment condition Moment ratio < 90% 90%
ON/OFF 4
RLY 4
Moment ratio < 100%
While boom lift with the jib mounted is performed, the alarm buzzer is output when the load moment ratio reaches the ranges listed below, depending on the outrigger extension width. GR-600-1
GR-800-1
Maximum (23’7-1/2”) (7.2m)
83%
Moment ratio < 93% 84%
Moment ratio < 94%
Middle (21’11-3/4”) (6.7m)
82%
Moment ratio < 92% 83%
Moment ratio < 93%
Middle (18’1/2”) (5.5m)
81%
Moment ratio < 91% 82%
Moment ratio < 92%
Moment ratio
100%
While boom lift with the jib mounted is performed, the alarm buzzer is output when the load moment ratio reaches the ranges listed below, depending on the outrigger extension width. ON
GR-600-1
GR-800-1
Maximum (23’7-1/2”) (7.2m)
Moment ratio
93%
Moment ratio
94%
Middle (21’11-3/4”) (6.7m)
Moment ratio
92%
Moment ratio
93%
Middle (18’1/2”) (5.5m)
Moment ratio
91%
Moment ratio
92%
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W301-0139E
