ABB ACSM1 Manual page 77

Example 2: Linear axis application
Two conveyer systems are synchronised using two encoders. The follower is in
synchron control and follows the master encoder 2 position.
Note: In linear axis applications, only the difference between the master and follower
positions is corrected.
MASTER
Encoder 2
FOLLOWER
Encoder 1
Parameter
60.02 POS AXIS MODE
60.05 POS UNIT
67.01 SYNC REF SEL
68.07 SYNCHRON
MODE
62.14 CYCLIC CORR
MODE
62.15 TRIG PROBE1
62.17 TRIG PROBE2
62.16 PROBE1 POS
62.18 PROBE2 POS
Encoder DI2 (TRIG PROBE2)
M
3~
Encoder DI1 (TRIG PROBE1)
M
3~
Setting Information
(0) Linear Positioning between minimum position
MINIMUM POS
MAXIMUM POS
(2) Meter All position values are in metres
(8) POS 2ND ENC Synchron position reference (master position) from
encoder 2.
(0) Absolute Absolute synchronisation of the follower. The follower
follows the master position after start.
(5) Cor M/F Dist Cyclic master follower distance correction
(1) ENC1 DI1 _– Rising edge of encoder 1 digital input DI1.
Source of the actual position latching command
(proximity switch signal source)
(17) ENC2 DI2 _– Rising edge of encoder 2 digital input DI2.
Source of the master position reference latching
command (proximity switch signal source)
0,015 m Reference position for the actual position probe
0,025 m Reference position for the master position probe
10 mm
Proximity switch
Proximity switch
and maximum position
Drive control and features
77
60.14
60.13