Siemens SIMATIC FM 351 - Starting a Seek-Reference-Point Traverse; Types of Seek-Reference-Point Mode

9
9-8
FM 351 Positioning Function Module
EWA 4NEB 720 6001-02
Take note of the following table. It shows you the four types of seek-refer-
ence-point mode.
Table 9-3 Types of Seek-Reference-Point Mode
Start Direction is... For Synchronization use...
positive The first zero mark after leaving the reference-point switch in positive direction.
positive The first zero mark after leaving the reference-point switch in negative direction.
negative The first zero mark after leaving the reference-point switch in positive direction.
negative The first zero mark after leaving the reference-point switch in negative direction.
1I2; 2I2
Start DIR_P,
DIR_M
JP_REF
s
v
creep
v
rapid
WORKING
WAIT_EN
Figure 9-2 Starting a Seek-Reference-Point Traverse
Starting
Sequence
Operating Modes and Settings