12.6.3 2-wire / 3-wire Control (Forward / stop, reverse / stop)
2-wire control mode 1
Step 1: Activate 2-wire control mode 1
Set [E1.15] = '0: Forward / stop, reverse / stop'.
Step 2: Define two digital inputs
●
Set one of digital inputs as '35: Forward running (FWD)'
●
Set one of digital inputs as '36: Reverse running (REV)'
Example:
Connected switch K1 to X1, and set [E1.00] = '35: Forward running (FWD)'.
Connected switch K2 to X2, and set [E1.01] = '36: Reverse running (REV)'.
Fig. 12-26: 2-wire control mode 1
The control logic is shown in the table below:
K1
K2
Running status
Open
Open
Stop
Closed
Open
Running forward
Open
Closed
Running reverse
Closed
Closed
Stop
Tab. 12-7: 2-wire control mode 1 configuration
If switch K1 and K2 are closed at the same time, the frequency con-
verter stops according to [E0.50] 'Stop mode' and both FWD and
REV LED indicators are lighted during stop status.
VFC 3210
Bosch Rexroth AG
Functions and Parameters
DOK-RCON04-VFC3210****-IT01-EN-P
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