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2032-C0420HX-29B Datasheet(PDF) 2 Page - Allen-Bradley |
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2032-C0420HX-29B Datasheet(HTML) 2 Page - Allen-Bradley |
2 / 9 page Safety Isolation System 12-3 ElectroGuard Overview Principle of Operation Optional Features 2IC 1IC GC Incoming 3 Phase Power H2 H1 X2 X1 Control Power Disconnecting Means/Branch Circuit Protection ➊ Trans. Grd Voltage Decay Relays (VDR) To Motor Controllers Power Circuit To Loads After using the normal stopping method of the machine or process, the machine operator turns a Remote Lockout Station handle from the “On” to “Off ” position. The station signals the isolation contactors (1IC and 2IC) to drop out and isolate the supply voltage from the loads (see Control Circuit). When system residual voltage decays to pre-determined levels, the grounding contactor (GC) is energized, connecting the load to ground (see Power Circuit). The grounding contactor (GC) is electrically and mechanically interlocked with the isolation contactors (1IC and 2IC). The “System Isolated” Light will now illuminate on the Remote Lockout Station to indicate the system is isolated. The machine operator then Locks-Out and Tags-Out the station in the “Off ” position. Control Circuit Remote Lockout Station Off On Mechanically Interlocked 1IC, 2IC, & GC are mechanically and electrically interlocked System Isolated (*) (*) = “On” when the Remote Lockout Station switch is “Off” GC GC 2IC 1IC VDR 2IC 1IC GC 2 IC 1 IC GC ➊ Available factory installed within the ElectroGuard as an option. • Four (4) or ten (10) port Expansion Modules to permit additional Remote Lockout Stations to be used (see page 12-16 for details). • Pneumatic Isolation Module to isolate pneumatic energy (see page 12-15 for details). • Status communication to a remote PLC (see page 12-17 for details). • Fusible disconnect switch (Bulletin 2032) or thermal-magnetic circuit breaker (Bulletin 2033) to provide branch circuit protection. Optional Pneumatic Isolation Module |
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Similar Description - 2032-C0420HX-29B |
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