276 Kollmorgen - December 2011
MMC Smart Drive Hardware Manual - DRIVE RESIDENT DIGITAL MMC CONTROL
Table 12-8: User Port Pin Descriptions
Function Notes Pin
RS232 Receive Data
RS232-level signal that receives serial data
from the connected serial device.
9
RS232 Transmit Data
RS232-level signal that sends serial data to
the connected serial device.
10
RS232 Request-to-send
RS232-level signal that indicates to the con-
nected serial device that it can transmit data to
the Control.
5
RS232 Clear-to-send
RS232-level signal that indicates to the Control
that it can transmit data to the connected serial
device.
7
RS-232 Data-terminal-
ready
This output from the Control is always high
(12 Vdc).
4
RS-485 Receive Data +
RS485-level signal that receives serial data
from the connected serial device(s).
12
RS-485 Receive Data -
RS485-level signal that receives serial data
from the connected serial device(s).
13
RS-485 Transmit Data +
RS485-level signal that transmits serial data to
the connected serial device(s).
14
RS-485 Transmit Data -
RS485-level signal that transmits serial data to
the connected serial device(s).
15
Signal Ground Provides the return path for signals 8
Shield Ground
Provides a path for shield current through the
chassis to an external single point ground.
Shell