4-2 Function Mode FREQ adjuster Digital Operator A141 A143 Input A Input FV Input FI ModBus communication A A B + Result of calculation Output frequency Digital Operator B A B A B – Ч FREQ adjuster Input B Input FV Input FI ModBus communication A142 Frequency Addition Function 4 This function adds or subtracts the constant frequency set in A145 to/from the output frequency. Select addition or subtraction in A146. Functions •Inputs FV and FI cannot be set simultaneously. Do not connect the signal lines for inputs FV and FI simultaneously.
FREQ adjuster Frequency reference source A001 F001 set value Terminal block Σ + Output frequency setting ModBus communication +/– Logic operation output Addition direction setting A146 A145 Frequency addition Multi-function input [ADD] 4-24 Parameter No. Function name Data Default setting Unit A145 Frequency addition amount 0.0 to 400.0 0.0 Hz A146 Frequency addition direction 00: Adds the A145 value to the output frequency 01: Subtracts the A145 value from the output frequency 00 Related functions C001 to C006, ADD input