ProSoft Technology MVI56-LTQ - Manual (Page 71)

MVI56-LTQ ♦ ControlLogix Platform Reference
Limitorque Valve Actuator Master Communication Module User Manual
ProSoft Technology, Inc. Page 71 of 98
August 30, 2010
5.3.3 Network Cable Connection to Limitorque RS-232/RS-485
Converters
For the RS-485 connection, the network cable is connected to the converter via a
three-pin or five-pin removable connector (depending on the converter model).
This connector is located on the rear of the converter. Prepare the cable as
detailed in the Limitorque Accutronix MX/DDC-100 Field Unit Installation and
Operation Manual
Self-Steering Converter – P/N 61-825-1032-4
Pin Function Wire Color
1 DATA White
2 DATA* (see note 1) Blue
3 Earth ground (see note 2) Shield
Note 1: Indicates negative side of signal.
Note 2: Must be connected to earth ground to assure surge protection.
Steered Converter – P/N 61-825-0966-4
Pin Function Wire Color
1 DATA White
2 DATA* (see note 1) Blue
3 Earth ground (see note 2) Shield
4 Not Used Not Used
5 Not Used Not Used
Note 1: Indicates negative side of signal.
Note 2: Must be connected to earth ground to assure surge protection.
5.3.4 RS-422
The RS-422 interface requires a single four or five wire cable. The Common
connection is optional, depending on the RS-422 network devices used. The
cable required for this interface is shown below: