ABB ACS800 Firmware Manual page 99

The following figures illustrate two basic application types.
Master and Follower with a common drum and separate motors (Load Sharing)
START/STOP
MASTER
DIRECTION
DRIVE
COMMAND
SPEED REF
TO FOLLOWER
SPEED REF 3
+
2.02
ACTUAL SPEED
Master
FROM
START/STOP
MASTER DIRECTION
COMMAND
DRIVE
SPEED REF
CH2
COMM
SPEED REF 3 +
2.02
‚
ACTUAL SPEED
TO MASTER
SPEED TORQUE REFER-
CONTROLLER ENCE SELECTOR
SPEED
TORQUE
MIN
PID
MAX
ADD
2.09
TORQUE REF 2
SPEED TORQUE REFER-
CONTROLLER ENCE SELECTOR
SPEED
TORQUE
MIN
PID
MAX
ADD
2.09
TORQUE REF 2
TORQUE REFER-
ENCE CONTROL
0
0
1
2
3
4
5
2.10
TORQUE REF 3
TORQ USED REF 2.13
Follower
FROM MASTER
SYNCHRO
LOAD SHARE
X
(Par 60.09)
TORQUE REFER-
ENCE CONTROL
0
0
1
2
3
4
5
2.10 2.13
TORQUE REF 3 TORQ USED REF
INVERTER
CONTROL
=
~
Inverter
TO FOLLOWER Drive B
B
INVERTER
CONTROL
=
~
Inverter
Program features
99