MAX POWER
PLC Control functions
DOWN SEQUENCE
1
Thruster detected UP and
locked
2
Signal given to go down The signal must continue continuously until all stop
3
Up down pump motor energised
3
Up Down ,Down Valve opened
4
No position detected
5
Alarm sounds continuously
6
Thruster detected as being down
7
All stop (motor &valve) up down valve returns to H position (all open no pressure in ram!)
1
Thruster detected UP and
locked
2
Signal given to go up
3
No reaction
1
No position detected
2 Alarm sounds continuously
3
Thruster can go up and down if signal is given
This function must stay continuously active even when joy-sic or control panel is
switched off
UP SEQUENCE
1
Thruster detected as being down
2
Signal given go up .The signal must continue continuously until all stop
3
Up down motor energised
4
Up down up valve opened
5
No position detected
5
Alarm sounds continuously
6
Thruster detected as being up
7
All stop (motor &valve) up down valve returns to H position (all open no pressure in ram!)
1
Thruster detected down
2
Signal given to go down
3
No reaction
1
No position detected
2 Alarm sounds continuously
3
Thruster can go up and down if signal is given
This function must stay continuously active even when joy-sic or control panel is
switched off
THRUST SEQUENCE
1
Thruster detected as being Down
2
Signal given to thrust (port or starboard ) The signal must continue continuously until all stop
3
Up Down pump Motor energised
3
Down valve opened
4
Hydraulic power arrives in the direction required port A & B on thruster unit (power must arrive
progressively using a soft start system)
5 Signal
stops
6 Hydraulic
power
stops
7
All Stop (motors &valves)
20
INSTALLATION MANUAL RETRACT R 300
