Chapter 12 Description of Parameter SettingsME300 
12.1-02-1 
 
02 Digital Input / Output Parameters    You can set this parameter during operation. 
 
 
Two-wire / Three-wire Operation Control 
  
 
  Default: 1 
  Settings  0: No function 
   
1: Two-wire mode 1, power on for operation control 
    (M1: FWD / STOP, M2: REV / STOP) 
2: Two-wire mode 2, power on for operation control 
(M1: RUN / STOP, M2: FWD / REV) 
3: Three-wire, power on for operation control 
(M1: RUN, M2: REV / FWD, M3: STOP) 
4: Two-wire mode 1, Quick Start 
(M1: FWD / STOP, M2: REV / STOP) 
5: Two-wire mode 2, Quick Start 
(M1: RUN / STOP, M2: FWD / REV) 
6: Three-wire, Quick Start 
(M1: RUN, M2: REV / FWD, M3: STOP) 
  In the Quick Start function, the output remains  ready for operation. The drive responds to  the 
Start command immediately. 
  When using Quick Start function, the output terminals UVW are with driving voltages in order to 
output and respond immediately if a Start command is given. Do not touch the terminals or modify 
the motor wiring to prevent electric shocks.   
  This parameter sets the configuration of the external drive operation control and the Quick Start 
function. There are six different control modes listed in the following table. 
Pr.02-00  External Terminal Control Circuits 
Setting value: 1 
Two-wire 
FWD / STOP 
REV / STOP 
 
Setting value: 2 
Two-wire 
RUN / STOP 
FWD / REV 
 
Setting value: 3 
Three-wire