6. Design AUMA MATIC Modbus
The AUMA MATIC Modbus by AUMA represents the ideal controls for
connecting multi-turn actuators of the SA range and part-turn actuators of
the SG range to Modbus.
The integral controls AUMA MATIC Modbus consist of the following
modules:
.
Modbus interface. The interface links the Modbus data with the internal
electronics.
.
The logic board links the signals of the actuator with the local controls and the
Modbus interface and controls the reversing contactors or the thyristors.
.
Local controls with selector switch, push buttons, and indication lights.
The selector switch is used to select the control devices for the local
control LOCAL – 0 – REMOTE for remote control.
The push buttons (OPEN) – Stop – (CLOSE) are used for the
electric operation of the actuator on site.
.
Plug/ socket connectors for easy mounting of the AUMA MATIC Modbus
on the actuators.
.
Signal and control board with primary fuses, relays for conversion of the
local control commands into electrical signals, and indication lights as an
option.
.
Switchgear: Reversing contactors or thyristors for motor controls.
.
Modbus connection board with terminals for the Modbus cable and the
termination resistor for bus termination.
Actuators which have already been installed can be retrofitted for Modbus
by exchanging the controls AUMA MATIC for controls AUMA MATIC
Modbus.
10
Actuator controls AUMA MATIC AM/ AMExB/ AMExC
Modbus Operation instructions
Figure A: AUMA MATIC Modbus
Switchgear
Power supply unit
Logic board
Modbus interface
Plug/ socket connector
to actuator
Local controls
Selector switch
Signal and control board
Modbus
connection board
Electrical connection
with AUMA plug/ socket connector
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