750-671 [Steppercontroller]
•
93
Positioning
WAGO-I/O-SYSTEM 750
I/O Modules
Note
The drive is not started on a start from the limit switch. In the Mailbox mode
the error message 23 is generated on calling of command
START_REFERENCING. No error message is generated in the Referencing
mode. The Bit ERR_RANGE_POS or ERR_RANGE_NEG bit is set!
Referencing to negative end of reference switch, starting in negative
direction
Operating mode
Referencing,
M_Reference = 1
Mailbox,
Command
START_
REFERENCING
Note
Reference_Mode
, Bit 0
0 Parameter 3 Bit 0 0 Referencing to reference switch
Direction_Pos 0
Direction_Neg 1
Parameter 3 Bit 1 0 Start in negative direction
Reference_Mode
, Bit 1
0 Parameter 3 Bit 2 0 Referencing to negative end
Start
E
nd
L
i
m
i
t sw
i
tch
negat
i
ve
R
eference
sw
i
tch
L
i
m
i
t sw
i
tch
p
os
i
t
i
ve
Fig. 2.1.2-25: Referencing at the negative end of reference switch with start in negative
direction from positive movement range
g067x11e
Start
E
nd
L
i
m
i
t sw
i
tch
negat
i
ve
R
eference
sw
i
tch
L
i
m
i
t sw
i
tch
p
os
i
t
i
ve
Fig. 2.1.2-26: Referencing at the negative end of reference switch with start in negative
direction from negative movement range
g067x12e