Electronic drive unit TC 400 accessory connection
Auxiliary connection to electronic drive unit TC 400 and TM 700
The electronic drive unit of the turbopump offers space for the connection of maximum 4
accessory devices. M12 connector sockets with the designation "accessory" are available
for this purpose.
● The accessory connections have been preconfigured at the factory.
● After connecting pre-configured accessory devices, these are immediately ready for
operation according to the factory settings.
● The use of other accessories for turbopumps is possible and requires settings in the
configuration of the electronic drive unit.
● The desired accessory output is configured via RS-485 using Pfeiffer Vacuum display
and control units or a PC.
● For detailed information see the “Electronic drive unit TC 400” or “Electronic drive unit
TC 700” operating instructions.
Electronic drive
unit connection
Accessory
connection
Y-connec-
tor
Pre-set configuration
1
2
1
2
Y-Connector
for Accessories
Acc. A
A1
Y-1
Fan (temperature control-
led)
A2
Y-2
Backing pump
Acc. B
B1
Y-1
Venting valve
B2
Y-2
Heating
Tbl. 7:
Pre-set accessory connections to electronic drive unit TC 400
Electronic drive unit TC 110 accessory connection
Connect accessory devices to the TC 110
● The use of Pfeiffer Vacuum accessories via the TC 110 electronic drive unit is only
possible using the corresponding connection cable and/or adapter on the X3 multi-
functional connection.
● Configure the required accessory output via RS-485 using Pfeiffer Vacuum display and
control units or PC.
X3
B
1
A
C
C
A
1
D
O
2
D
O
1
1
3
2
4
5
6
7
Fig. 16:
Example of accessory connection via adapter TCS 12
1 Multifunction connection X3
5
Digital output DO2
2 Adapter TCS
6
Digital output DO1
3 Accessory connection B1
7
Accessory connection A1
4 Connection RS-485
Connecting pre-configured accessories
► Observe the installation instructions in the operating instructions for the relevant accessory.
► Note the existing configuration of existing connections and control lines.
Installation
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