JMA stager controller 1.Automatic stager control function 2.Power supply 3.Remote control signal connection:2 seconds dry contactor 4.Timer initiation setting 5.8 stages available with duration from 5 to 9999 seconds for each stage 6.Manually initiation 7.Service/regeneration Light indication 8.Step signal output function 9.Control fluid:hydraulic or pneumatic 10.Control fluid pressure:0.2-0.8MPa 11.Working Temperature 12.Enclosure size;