Specifications
| Operating voltage | 115 V AC or 230 V AC(X5)±10%, 50/60 Hz |
| Current consumption | 20 mA (230 V AC) or40 mA (115 V AC) typical |
| Control voltage | 115 V AC or 230 V AC, +10/-output (X5)15% |
| Control current max | 2 A for 3.5 s or max. 4 A for 20 ms |
| Voltage output | 15 V DC max. 10 mA |
Hardware description
ACS880 frame size R8i inverter modules can be connected to the drive DC bus through adisconnector (or fuse-switch). This configuration requires a charging circuit to charge theDC capacitors of the modules in a controlled way. The DC voltage can be directly connectedto the modules only after the capacitors are charged to a sufficient level. The BSFC is a unitthat monitors the charging, and controls switch-on and switch-off of the DC voltage.In addition to inverter units, the BSFC can be used with other units consisting of R8i modules,such as brake or DC/DC converter units. One BFSC unit can control the charging of up to3 frame R8i modules.The BSFC unit can be installed onto a standard mounting rail. Inverter power switch-on sequenceThe terms and designations used in the table below refer to the diagrams in sectionConnections of the DC supply1. User turns charging switch [Q10] to position 1 (ON).•Charging of the inverter capacitors starts through the charging resistors [R10]:•Auxiliary contact 1-2 of charging switch [Q10] opens.•BSFC prevents the starting of inverters and the closing of DCswitch-disconnector [Q11].•BSFC monitors inverter U•INV STAT and PWR LEDs are on.•When the charging is complete (inverter DC voltage over 80% of nominal):•BSFC receives a U•BSFC connects operating voltage to the solenoid of DC switch-disconnector[Q11]. The solenoid releases the locking mechanism, allowing operation of thehandle.•INV UDC and PWR LEDs are on.•The Charging OK light [P11] on the cabinet door is on, indicating that theoperation of the DC switch-disconnector [Q11] is allowed. |  |
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Product Photos
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