Siemens Simatic S7-300 314C-2 PN/DP - Page 18

Learning units
3.5 5. Step: Carrying out a dry run
First Steps in Commissioning CPU 31xC: Positioning with digital output
18 Getting Started, 08/2011, A5E00105533-03
"Incremental approach, relative" mode
Make the following settings:
MODE_IN = 4:
Select "Incremental approach, relative" mode
DRV_EN = 1:
drive enable
TARGET:
Distance in pulses
SPEED:
Speed: 0 = Creep speed, 1 = Rapid traverse
Start drive:
DIR_P = 1: Incremental approach, relative in plus
direction
DIR_M = 1: Incremental approach, relative in
minus direction
You can monitor the following signal statuses in
the column "Status Value":
ST_ENBL = 1:
Start enable
MOD_OUT = 4:
Current mode "Incremental approach, relative"
WORKING = 1:
Travel active
ACT_POS:
Current actual position
POS_RCD = 1:
Position reached