10 October 2016
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RS232
A complete RS232 connection is provided on pins 6 – 10 of the bottom connector block. This is a Data Communication
Equipment (DCE) type connection. Connections to a Data Terminal Equipment (DTE) device on a typical DB9 connector
are shown in figure 8 below.
Figure 10
RS485 (TR1)
A general-purpose RS485 connection is provided on pins 13 and 14 of the top connector block. The TR1 connection can
be connected to the serial (TCP/UDP/PPP) pad function (TN039), and is used to support RS485 Modbus controllers that
interface with Ctek’s Automation Control application. See Application Note APN008 for details on interfacing to Modbus
controllers using Automation Control.
Level 2 (link level) settings for this port are made using the RS232/RS485 Ports screen.
RS485 (TR2)
The TR2 RS485 connection is reserved for, and programmed by the Automation Control application
Console Port
A two-wire RS232 type connection of type DCE is provided by on pins 19 and 20 of the top connector block.
8.3 RS232/RS485 Options
The screens under this function are used to configure the serial (TCP/UDP/PPP) pad function. For details see TechNote
TN039.
