Siemens SIMATIC FM 351 - Page 67

Machine Data and Incremental Dimensions
8-7
FM 351 Positioning Module
C79000-G7076-C351-02
Control mode 3
Rapid speed
Creep speed
Travel plus
Travel minus
v
rapid
v
creep
xQ0
xQ1
xQ2
xQ3
Return signal
PEH=1
Control mode 4
Rapid traverse plus
Creep speed plus
Rapid traverse minus
Creep speed minus
v
rapid
v
creep
xQ0
xQ1
xQ2
xQ3
Return signal
PEH=1
Table 8-1 Table with the States of the 4 Outputs for each Control Mode (x stands for channel 1 and 2)
Control Mode 1 rapid speed creep speed Position
reached hold
Direction + Direction – Direction + Direction –
reached
hold
(PEH)
xQ0 1 1 0 0 –
xQ1 0 0 1 1 –
xQ2 1 0 1 0 –
xQ3 0 1 0 1 –
Control Mode 2
xQ0 1 1 0 0 0
xQ1 0 0 0 0 1
xQ2 1 0 1 0 0
xQ3 0 1 0 1 0