omron — Electrical Connection

‹ Electrical Connection „ Wiring the Inverter DC reactor to improve input power factor (optional) Short-circuit bar U X 1 Main contactor 1 2 L1 Fuse R/L1 Varispeed E7 U/T1 Motor 3-phase power supply 380 to 480 V 50/60 Hz L2 L3 Line Filter S/L2 W/T3 V/T2 M PE T/L3 2 Forward Run/Stop S1 MB MA Fault contact output 250 VAC, 1 A max. 30 VDC, 1 A max. Reverse Run/Stop External fault S3 S2 MC Multi-function digital inputs [Factory settings] Fault reset Multi-step speed setting 1 M2 M1 Contact output 1 [Default: During run] [ Multi-step speed setting 2 M4 M3 Contact output 2 [Default: Zero speed] [ Multi-function digital output 250 VAC, 1 A max. 30 VDC, 1 A max.

Jog frequency selection SP 24 V E(G) Shield terminal Shield terminal E(G) 3 Adjustment +V Analog input power supply Multi-function analog output 1 (0 to 10 V, 2 mA) [Default: Output frequency, 0 to 10 V] ( [ Adjustment, 20 k Ω 2 k Ω A1 Analog input 1: Master frequency reference 0 to 10 V (20 k Ω) + - A2 Multi-function analog input 1: [Default: Frequency Bias 4 to 20 mA (250 Ω )] Multi-function analog output 2 (0 to 10 V, 2 mA) [Default:

Output power, 0 to 10 V] ( [ AC -V 0V Analog input power supply -15 V, 20 mA 2CN Input Option Cards Terminating resistance R+ MEMOBUS communication RS-485/422 IG P Shielded wires Twisted-pair shielded wires Fig 4 Wiring Diagram EN-8 SC 3 0 to 10 V 2 1 4 to 20 mA P P FM FM Adjustment, 20 kΩ + - AM AC AM P R- S+ P S-