5 UD70/MD29 Installation Guide
www.controltechniques.com Issue Number: 3
2 Electrical Installation
2.1 UD70
The UD70 provides a dedicated RS232 programming port (Connector C) and a
general purpose RS485 communications port (Connector D)..
Connectors A and B provide the connectors for high speed fieldbus communication
options, if fitted. Refer to the appropriate fieldbus option User Guide for full fieldbus
connection details.
2.2 MD29
The MD29 provides a dedicated RS232 programming port (Connector SK2) and a
general purpose RS485 communications port (Connector PL1). In addition, the
MD29 also has a dedicated RS485 port (Connector TB1) for use with the Control
Techniques I/O Box.
AB
DC
MD29
PL1 SK2TB1
15
SK2
SW1
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