ABB ACSM1 - Page 77

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