Delta Electronics VFD-S manual E.F.N.O, Mx Close Operation available Mx OpenOperation available

Chapter 5 ParametersVFD-S Series

NOTE

When value d3 is selected for Pr. 4-04, this will over ride any value entered in Pr.4-05, since Pr.4-05 must be used for three wire control as shown above.

d4, d5 External Faults:

Parameter values d4, d5 programs Multi-Function Input Terminals: M1 (Pr. 4-04), M2 (Pr. 4-05), M3 (Pr. 4-06), M4 (Pr. 4-07) or M5 (Pr. 4-08) to be External Fault (E.F.) inputs.

E.F.(N.O.)

setting by d4 E.F(N.C.)

Mx "Close": Operation available.

Mx "Open":Operation available.

setting by d5

GND

NOTE

When an External Fault input signal is received, the AC drive will stop all output and display “ E.F.” on Digital Keypad, the motor will free run. Normal operation can resume after the External Fault is cleared and the AC drive is reset.

d6 External Reset:

Parameter value d6 programs a Multi-Function Input Terminal: M1 (Pr.4-04), M2 (Pr.4-05), M3 (Pr.4- 06), M4 (Pr.4-07) or M5 (Pr.4-08) to be an External Reset.

RESET

Mx "Close": Operation available setting by d6

GND

NOTE

the External Reset has the same function as the Reset key on the Digital keypad. After external fault such as O.H., O.C. and O.V. are clear, this input can be used to reset the drive.

d7, d8, d9 Multi-Step Speed Command:

Parameter values d7, d8, d9 programs any three of the following Multi-Function Input Terminals: M1 (Pr.4-04), M2 (Pr.4-05), M3 (Pr.4-06), M4 (Pr.4-07) or M5 (Pr.4-08) for multi-step speed command function.

5-40 Revision August 2008, SE09, SW V2.61