20 1. INTRODUCTION 1.2 Component names Symbol Name Description Refer to page (a) PU connector Connects the operation panel or the parameter unit. This connector also enables the RS-485 communication. 85 (b) USB A connector Connects a USB memory device. 86 (c) USB mini B connector Connects a personal computer and enables communication with FR Configurator2. 86 (d) RS-485 terminals Enables RS-485, MODBUS RTU communication. 87 (e) Terminating resistor selection switch (SW1) Select whether or not to use the terminating resistor for RS-485 communication. 87 (f) Plug-in option connector 1 Connects a plug-in option or a communication option.
(For the FR-A800-GF, a CC-Link IE Field Network communication circuit board is installed to the connector 1. Refer to page 111.) Instruction Manual of the option (g) Plug-in option connector 2 (h) Plug-in option connector 3 (i) Voltage/current input switches (SW2) Selects between voltage and current for the input via terminals 2 and 4. 513 (j) Control circuit terminal block Connects cables for the control circuit. 69 (k) EMC filter ON/OFF connector Turns ON/OFF the EMC filter. 122 (l) Main circuit terminal block Connects cables for the main circuit. 55 (m) Charge lamp Stays ON while the power is supplied to the main circuit.
56 (n) Wiring cover This cover is removable without unplugging cables. (FR-A820-01250(22K) or lower, FR-A840-00620(22K) or lower) 58 (o) Alarm lamp Turns ON when the protective function of the inverter is activated. 56 (p) Power lamp Stays ON while the power is supplied to the control circuit (R1/L11, S1/L21). 56 (q) Upper front cover Remove this cover for the installation of the product, installation of a plug-in (communication) option, RS-485 terminal wiring, switching of the voltage/ current input switches, etc. (The FR-A800-GF had a front cover with an LED display cover.) 34 (r) Lower front cover Remove this cover for wiring.
34 (s) Operation panel (FR-DU08) Operates and monitors the inverter. 140 (t) Cooling fan Cools the inverter. (FR-A820-00105(1.5K) or higher, FR-A840-00083(2.2K) or higher) 836 (u) Switches (SW3 and SW4) for manufacturer setting Do not change the initial setting (OFF OFF). ON —