No. (Hex.) Name Description Default (Setting Range) b1-01 (0180) Frequency Reference Selection 1 Sets the input method for the frequency reference. 1 (0 - 4) Note: Push on the keypad to set the input mode to LOCAL and enter the frequency reference from the keypad. When the drive receives a Run command when the frequency reference is 0 Hz or less than the E1-09 [Minimum Output Frequency] value, on the keypad will flash. Examine the setting for the frequency reference input and enter a value more than or equal to E1-09. 0 Keypad Use the keypad to enter the frequency reference. Use and on the keypad to change the frequency reference. 1 Analog Input Use MFAI terminals A1, A2, and A3 to input an analog frequency reference with a voltage or current input signal. Voltage Input Refer to Table 1 to use a voltage signal input to one of the MFAI terminals. Table 1. Frequency Reference Voltage Input Terminal Terminal Signal Level Parameter Settings Note Signal Level Selection Function Selection Gain Bias A1 0 - 10 V H3-01 = 0 H3-02 = 0 [Frequency Reference] H3-03 H3-04 Set DIP switch S1-1 to “V” for voltage input. -10 - +10 V H3-01 = 1 A2 0 - 10 V H3-09 = 0 H3-10 = 0 [Frequency Reference] H3-11 H3-12 Set DIP switch S1-2 to “V” for voltage input. -10 - +10 V H3-09 = 1 A3 0 - 10 V H3-05 = 0 H3-06 = 0 [Frequency Reference] H3-07 H3-08 Set DIP switch S1-3 to “V” for voltage input. Set DIP switch S4 to “AI” for analog input. -10 - +10 V H3-05 = 1 Figure 1. Example of Setting the Frequency Reference with a Voltage Signal to Terminal A1 Note: You can also use this diagram to wire terminals A2 and A3. Current Input Refer to Table 2 to use a current signal input to one of the MFAI terminals. Table 2. Frequency Reference Current Input Terminal Signal Level Parameter Settings Note Signal Level Selection Function Selection Gain Bias A1 4 - 20 mA H3-01 = 2 H3-02 = 0 [Frequency Reference] H3-03 H3-04 Set DIP switch S1-1 to “I” for current input. 0 - 20 mA H3-01 = 3 A2 4 - 20 mA H3-09 = 2 H3-10 = 0 [Frequency Reference] H3-11 H3-12 Set DIP switch S1-2 to “I” for current input. 0 - 20 mA H3-09 = 3 A3 4 - 20 mA H3-05 = 2 H3-06 = 0 [Frequency Reference] H3-07 H3-08 Set DIP switch S1-3 to “I” for current input. Set DIP switch S4 to “AI” for analog input. 0 - 20 mA H3-05 = 3 Figure 2. Example of Setting the Frequency Reference with a Current Signal to Terminal A2 Note: You can also use this diagram to wire terminals A1 and A3. Changing between Master and Auxiliary Frequency References Use the multi-step speed reference function to change the frequency reference input between terminals A1, A2, and A3. 2 Memobus/Modbus Communications Use MEMOBUS/Modbus communications to enter the frequency reference. 3 Option PCB Use a communications option card or input option card connected to the drive to enter the Run command. Refer to the instruction manual included with the option card to install and set the option card. Note: If b1-01 = 3, but you did not connect a communications option card, oPE05 [Run Cmd/Freq Ref Source Sel Err] will flash on the keypad. 4 Pulse Train Input Use a pulse train signal from the pulse train input terminal RP to enter the frequency reference. Do this procedure to make sure that the pulse train signal is operating correctly. Set b1-01 = 4, H6-01 = 0 [Terminal RP Pulse Train Function = Frequency Reference]. Set H6-02 [Terminal RP Frequency Scaling] to the number of pulses that determine 100% of the frequency reference. Enter a pulse train signal on the terminal RP and make sure that the keypad shows a correct frequency reference.