TOSHIBA G3 APPLICATION GUIDELINE 21.5
Direction Change with RX Input (page 1 of 2)
Introduction
Like all speed references on the G3, the RX input has an adjustable bias and gain. The RX is unique, however, in that its inputs can be positive or negative and the corresponding speeds can be positive or negative. The first example shown below will allow a motor direction change based on a positive-only speed reference (a speed pot). The second example will illustrate how to program the drive to accept an input that reverses polarity. If you do not have a motor connected, use monitor to verify direction change. Set SWITCH 1 (right of the phone jack on the control board under the keypad) to ???5??? or ???10??? as appropriate for the voltage you are applying to the RX terminal. The I/V switch does not apply to the RX terminal.
Connections for positive-only reference
| TERMINAL STRIP | | | |
ST | CC | | F | CC |
| PP | RX | CC | |
Example programming for positive-only reference
Group | Parameter | New Value |
UTILITY PARAMETERS | Blind Function Selection | 1 |
UTILITY PARAMETERS | Frequency Setting Parameters Blind | 1 |
FREQUENCY SETTING PARAMETERS | Frequency Priority Selection #1 | 3 |
FREQUENCY SETTING PARAMETERS | RX Terminal Standard or Adjustable | 1 |
FREQUENCY SETTING PARAMETERS | RX Reference Setting Point #1 | 0 (default) |
FREQUENCY SETTING PARAMETERS | RX Point #1 Frequency | 60 |
FREQUENCY SETTING PARAMETERS | RX Reference Setting Point #2 | 100 (default) |
FREQUENCY SETTING PARAMETERS | RX Point #2 Frequency | -60 |
* For additional assistance, please contact Toshiba at (800) 231-1412 and ask for inverter marketing
TOSHIBA G3 APPLICATION GUIDELINE 21.5
Direction Change with RX Input (page 2 of 2)
Connections for bipolar reference
TERMINAL STRIP
RX CC
bipolar reference
Example programming for bipolar reference
Group | Parameter | New Value |
UTILITY PARAMETERS | Blind Function Selection | 1 |
UTILITY PARAMETERS | Frequency Setting Parameters Blind | 1 |
FREQUENCY SETTING PARAMETERS | Frequency Priority Selection #1 | 3 |
FREQUENCY SETTING PARAMETERS | RX Terminal Standard or Adjustable | 1 |
FREQUENCY SETTING PARAMETERS | RX Reference Setting Point #1 | -100 (default) |
FREQUENCY SETTING PARAMETERS | RX Point #1 Frequency | -60 |
FREQUENCY SETTING PARAMETERS | RX Reference Setting Point #2 | 100 (default) |
FREQUENCY SETTING PARAMETERS | RX Point #2 Frequency | 60 |
NOTE: Never connect the ???CC??? terminal to ground.
* For additional assistance, please contact Toshiba at (800) 231-1412 and ask for inverter marketing
