Prodigit 3270 Series Operation Manual page 87

78 PRODIGIT
3.5.1.6. Master / Slave has 2 operating modes
1. 3PH mode is for 3 phase application, three 3270 series can be connected for
Three phase Δ or Y connection, the setting current value (single-phase current
Value) will be sent to each Slave unit automatically, the user does not have to set
Each unit.
2. Boost mode is for master / slave parallel application, the setting current will be
actively shared to each load, Master ammeter will show the total current that is the
sum of all ammeters, Slave voltmeter will show SL1 ~ SL2, the others are
unchanged.
3.5.1.7. The following procedure should be followed before applying power on
Master/Slave mains:
Step1. Turn on (O) the Slave POWER switch.
Step2. Turn on (O) the Master POWER switch.
3.5.1.8. The following procedure should be followed before applying power off
Master/Slave mains:
Step1. Turn off (I) the Master POWER switch.
Step2. Turn off (I) the Slave POWER switch.
3.5.1.9. Parallel method:
Use HD-DSUB 15pin 1: 1 Cable to connect the MASTER and SLAVE Rear
Panel, HD-DSUB 15pin connector (connect the upper and lower Connectors),
Caution: Do not use VGA Cable, because of internal pin4 ~ 8, 11 and
Chassis short circuit.