G&L MMC-A2, Hardware Manual

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Standalone MMC Control
40 MMC Hardware Manual G & L Motion Control Inc.
Table 4-9:
Block I/O Port Pin Descriptions
Function Notes Pin
Transmit Data + Transmits data to Block I/O Modules. 3
Transmit Data - Transmits data to Block I/O Modules. 4
Receive Data + Receives data from Block I/O Modules. 5
Receive Data - Receives data from Block I/O Modules. 6
Shield Ground Provides a path for shield current through the chas-
sis to an external single point ground. 7 & Shell
Table 4-10: Block I/O Port Pin Assignment
Pin Signal In/Out Connector Pinout
1 NC N/A 9-pin female D-sub
2 N/C N/A
3 Transmit Data + Out
4 Transmit Data - Out
5 Receive Data + In
6 Receive Data - In
7 Shield In
8 NC N/A
9 NC N/A
Connector
Shell Drain In
NOTE
Pin 7 of the Block I/O port connector is connected to the connector
shell within the MMC. Therefore, the shield may be connected to
either pin 7 or the connector shell.
1
6
5
9
Connector
Shell