Follower Station - ABB ACS 600 Supplement To Firmware Manual

Chapter 3 – Operation

Follower Station

Master/Follower
Connection Activation
3-2
The default settings of the Master/Follower macro parameters meet the
requirements of a typical Master station. The settings have to be
adjusted for the Follower station(s).
The parameters that typically need to be adjusted on the Follower
stations are listed in Table 3-1. The given settings meet the
requirements of a typical Follower station. The Speed Control column
gives the settings which are valid for a drive that follows the speed
reference of the Master. The Torque Control column gives the settings
which are valid for a drive that follows the torque reference of the
Master.
Table 3-1 The Follower Speed Control settings and Follower Torque
Control Settings. See also Appendix B – Parameter Settings.
Parameter
10.01 EXT1 STRT/STP/DIR
10.02 EXT2 STRT/STP/DIR
10.03 DIRECTION
11.02 EXT1/EXT2 SELECT
11.03 EXT REF1 SELECT
11.06 EXT REF2 SELECT
12.01 CONST SPEED SEL
16.01 RUN ENABLE
60.01 MASTER LINK MODE
60.02 TORQUE SELECTOR
60.03 WINDOW SEL ON
60.04 WINDOW WITH POS
60.05 WINDOW WITH NEG
60.06 DROOP RATE
Note: In some applications, both speed control and torque control of the Followers are
required, e.g. if it is necessary to accelerate all drives along the same speed ramp up to
a certain speed before torque control can be implemented. In those cases, a "flying"
switching between speed and torque controls is required. The switching can be done
through a digital input of the Follower. A solution is to set Parameter 11.02 EXT1/EXT2
to DI3, 60.02 TORQUE SELECTOR to TORQUE and 60.03 WINDOW SEL ON to OFF.
With these settings,
• 0 V d.c connected to DI3
follows the speed reference of the Master. Window control is disabled.
• +24 V d.c. connected to DI3
Follower follows the torque reference of the Master. Window control is enabled.
To activate the connection to the Master stations, Parameter 60.01
MASTER LINK MODE must be changed to FOLLOWER.
Speed Control
COMM. MODULE
COMM. MODULE
REQUEST
EXT1
COMM. REF
COMM. REF
NOT SEL
COMM. MODULE
FOLLOWER
SPEED
NO
0.0 rpm
0.0 rpm
1.0 %
External control location 1 is selected and the Follower
External control location 2 is selected and the
ACS 600 Master/Follower Application Macro
Torque Control
COMM. MODULE
COMM. MODULE
REQUEST
EXT2
COMM. REF
COMM. REF
NOT SEL
COMM. MODULE
FOLLOWER
ADD
YES
30.0 rpm
30.0 rpm
0.0 %