7.4.2
Pin Assignment
1
5
6
9
Fig.7-10:
Pin assignment of the PROFIBUS DP interface
Connec‐
tor
Pin RS485
reference
Signal
Meaning
X71
1
-
-
-
2
-
-
-
3
B/B'
RxD/TxD-P
Receiving/Transmitting data
4
-
CNTR_P
Repeater control signal
5
C/C'
DGND
Data reference potential (M 5 V)
6
-
VP
Supply voltage plus (P 5 V)
7
-
-
-
8
A/A'
RxD/TxD-N
Receiving/Transmitting data N
9
-
DGND
Data reference potential (M 5 V)
Fig.7-11:
Pin assignment of the PROFIBUS DP interface
Malfunction of the PROFIBUS DP interface
due to insufficient potential equalization
NOTICE
Ensure that potential equalizing currents do not flow over the shield conductor
of the interface line. Therefore, provide a proper potential equalization between
the devices to be connected already before the first commissioning.
7.5
X21, X22, X11: Digital 24 V Inputs and Outputs
7.5.1
General Information
The VAM 12.1/VAM 42.1 device provides 16 digital 24 V inputs and 8 digital
24 V outputs. The connectors of the inputs and outputs are located on the logic
circuit board. The states of the I/Os are indicated by the green LED.
The states of the inputs are transmitted to the master control via
PROFIBUS DP. The outputs are defined by the master control via
PROFIBUS DP.
The module configuration and the address assignment are descri‐
bed in
chapter 8 "Maintenance and Commissioning" on page
.
Bosch Rexroth AG
DOK-SUPPL*-VAM*XX.1***-PR02-EN-P
Rexroth IndraControl VAM 12.1/42.1 Machine Control Panels
58/93
Interfaces
Содержание REXROTH IndraControl VAM 12.1
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