Frequency Setting And Basic Operation - Larsen & Toubro C*2000 Series User Manual

Chapter 4 Parameter setting

4.7 Frequency setting and Basic Operation

The following instructions are given based on the fact that all parameters are set to factory defaults.
Results could not be consistent with the following contents if parameter values are changed after
purchase of products by customers. In this case, initialize all parameter values and set them
according to the instructions below.
Frequency setting via key and driving via terminals
1 -. Apply power to the inverter.
-. The inverter keypad displays 0.00.
2
-. Press the ENT key.
-. 00.00 is displayed and the last 0 is lit.
3
-. Press the Left () key three times.
-. 00.00 is displayed and the leftmost 0 is lit.
4
-. Press the Up () key once.
-. 10.00 is displayed and then press the ENT key.
5
-. 10.00 is blinking. Press the ENT key again.
-. Run frequency is set to 10.00 Hz when 10.00 stops blinking.
6 -. Turn OFF (ON) the switch between P1 (FX) terminal and CM terminal on the
connection diagram below.
-. RUN (operating) lamp on the inverter keypad is blinking, with FWD (Forward
Run) indicator light lit and accelerating frequency displayed on the keypad.
7
-. The run frequency reaches 10Hz.
-. Turn off the switch between P1 (FX) and CM terminals.
-. RUN lamp begins to blink over again and decelerating frequency is displayed on
the panel.
8
-. When run frequency is reached to 0Hz, Run (operating) and FWD (Forward
Run) lamp is turned off and 10.00 is displayed on the keypad.
Connection diagram
4-13
Caution
Run curve
Cx2000 AC Drive