Connection Overview - Bosch Rexroth VT-MSFA1 Operating Instructions Manual

19/28 Bosch Rexroth AG
Assembly
Terminal assignment
The circuitry of the booster amplifier refers to the connection
• of the power supply unit (see chapter 7.4.3)
• of the valve (see chapter 7.4.4)
• of the superior control system (see chapter 7.4.5)

7.4.2 Connection overview

For the electrical connection, the machine manufacturer's connection diagrams
and their work instructions are always binding!
Necessary components like e.g. EMERGENCY STOP circuits, mains switches,
etc. must be provided and included by the system project planner according to the
accepted state-of-the-art and best safety possible.
The VT-MSFA1 booster amplifier has 4 inputs and 3 outputs on 8 terminals.
Terminals
5 - 8
5 6 7 8
OK
MSFA1
1 2 3 4
1 - 4
Fig. 6: Booster amplifier front view
Table 6: Overview of the terminals
Terminal Terminal Type
designation
1 +UB Input
2 0 V and/or Input
ground
3 IN1 Input
4 IN2 Input
VT-MSFA1 | RE 30260-B/07.12
Plug-in screw
connectors
Plug-in screw
connectors
Comment
Operating voltage
Reference potential of the
operating voltage +UB
and the Ready for opera-
tion output
Output stage activation
("AND" connection of
both signals)
Supply line
from / to
Power supply
unit
Power supply
unit
Control
Control