Bosch Rexroth VT-MRMA1-1, Руководство по эксплуатации

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28/52 Installation
Bosch Rexroth AG , VT-MRMA1-1, RE 30214-B/03.2019
Fig. 8: Front view
7.6.1 Terminal assignment
13 - 16
9 - 12
5 - 8
1 - 4
Plug-in screw
connectors
Plug-in screw
connectors
Measuring point
changeover switch
Measuring socket
Terminal Designation of
terminal Type Remark Supply from/to
1 - x
P
Input Reference potential of actual pressure value
(Ground potential of the pressure transducer) Pressure transducer
2 + x
P
Input Actual pressure value
(Input signal for pressure transducer) Pressure transducer
3 - sensor Output Negative connection for position transducer (position
transducer ground) Position transducer in
the valve
4 + sensor Output Positive connection for position transducer
(supply voltage) Position transducer in
the valve
5 -w
P
Input Reference potential of the pressure command value Command value input
6 +w
P
Input Pressure command value Command value input
7 Enable 24 V input Activation of position controller and output stage Control
8 x
S
Input Actual position value of the valve
(Output signal of the position transducer) Position transducer in
the valve
9 Position command
value reached 24 V output
(High active) High, when valve position command value and actual
valve position value are identical
and ramp completed
Control
10 Ready for operation 24 V output
(High active) Monitoring of position transducer and pressure
command value cables (every individual wire),
jamming of the actuator drive and positive feedback
due to incorrect motor wiring Control
11 Ground or L0 (0V) Input Reference potential of operating vUB Power supply unit
12 +U
B
Input Operating voltage Power supply unit
13 A 24 V output Pressure switch signal (monitors values for falling
below the pressure command value window) Control
14 24 V output Pressure switch signal (monitors values for exceeding
the pressure command value window) Control
15 -M Output - motor Motor in the valve
+M Output + motor Motor in the valve