Connecting The Adapter Module - HEIDENHAIN TNC 410 M Technical Manual

6.10 Connecting the Adapter Module

General
information
Important notes for
the connection
April 2007
In modular regenerative inverter systems an additional power supply unit may
become necessary if you are using inverters or motors with a high power
demand. The adapter module makes it possible to connect this power supply
unit to the present inverter system. This enables you to use one power supply
unit for a high-performance spindle for example, and the other power supply
unit for the axes.
The two power supply units are connected to the control via the supply bus
(X69a/X69b – X69) and are then monitored by the system monitoring
functions.
This results in two separate supply systems whose power modules operate
independently of each other, but are monitored by the control.
The two supply buses are linked in the adapter module. The reset signal,
analog signals and the power supply are used by the module connected to
X69a. The ready signals of the power supply units are AND-gated. All other
digital signals are OR-gated. X75 is an interface for service purposes. This
connector must not be wired.
For the connection overview, see Page 4–36.
Warning
Please keep the following in mind for connecting the inverter system and
for integrating the status and control signals in its diagnosis or monitoring
functions:
The two power supply units form two separate dc-links and must therefore
not be connected using the dc-link conductor bars. The power of each dc-
link must be rated separately. Motors whose power exceeds that of an
individual power supply module can not be operated with two power supply
units either.
Each of the power supply units must have a separate power connection.
This means that upstream filters and other devices for noise suppression,
such as a line filter, commutating reactor and three-phase capacitor, must
be provided separately for each of the power supply lines.
If the machine requires the use of braking resistors (e.g. UP 110), a separate
module must be used for each dc-link.
Since this basically results in two separate inverter systems result, each of
the systems requires its own unit bus (X79).
Error messages from the power supply units are received by the adapter
module and transmitted to the control. However, the control cannot
determine which of the supply buses is responsible for the error messages.
Connecting the Adapter Module
6 – 79