Standalone Digital MMC Control
G & L Motion Control Inc.
MMC Hardware Manual
109
•
Pin assignments are provided in
•
The available Digital Link Port to Digital Drive cables are
described in
Table 5-20:
Digital Link Port Pin Descriptions
Function
Notes
Pin
Receive Data +
Receives data from connected drives.
3
Receive Data -
Receives data from connected drives.
6
Transmit Data +
Transmits data to connected drives.
1
Transmit Data -
Transmits data to connected drives.
2
Shield Ground
Provides a path for shield current through the
chassis to an external single point ground.
Shell
Table 5-21:
Digital Link Port Pin Assignments
Pin
Signal
In/Out
Pin Sequence
1
Transmit Data +
Out
RJ-45
2
Transmit Data -
Out
3
Receive Data +
In
4
Termination Resistors
a
a. Pins 4, 5, 7, and 8 are tied to termination resistors on the Control. Standard Ethernet cables
contain 8 wires. The Control only uses 4 of these wires as shown. Connecting the 4 unused
wires to the Control pins 4, 5, 7, and 8, (as will be done in a standard Ethernet cable)
reduces noise that can be induced from the unused wires to the Transmit and Receive wires.
In
5
Termination Resistors
In
6
Receive Data -
In
7
Termination Resistors
In
8
Termination Resistors
In
Connector
Shell
Shield
In
1
8
TRANSMIT
LINK
B1 (2,3,4)
light
light
Содержание MMC-A2
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Страница 136: ...MMC Ethernet TCP IP Option Module 128 MMC Hardware Manual G L Motion Control Inc...
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