Siemens SIMATIC FM 351 - Jogging Operating Mode

Modes and Jobs
9-8
FM 351 Positioning Module
C79000-G7076-C351-02
9.2 Jogging Operating Mode
Definition
In the “jogging” mode, you move the drive in a specific direction by pressing a
button. You must install one button for each direction (plus and minus). You can
use the “jogging” mode both for a synchronized and for an unsynchronized axis.
Requirement
You have set the parameters for the axis.
Sequence of the “Jogging” Mode
1. Set the control signal for the “jogging” mode (MODE_IN=1).
2. Set the control signal for drive enable (DRV_EN=1).
3. Set the function switch for “do not evaluate enable input”
(EI_OFF=1) or wire up the enable input for the relevant channel.
4. Enter the start speed.
– Rapid speed (MODE_TYPE=1)
– Creep speed (MODE_TYPE=0)
5. Set the control signal for the direction of travel plus or minus (DIR_P=1 or
DIR_M=1).
6. Call FC ABS_CTRL.
xI2
Enable input
DIR_M; DIR_P
MODE_IN=1
Jogging
WORKING
v
rapid
v
creep
s
DRV_EN
Drive enable
WAIT_EI
Figure 9-7 Example of the “Jogging” Mode