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Figure 1 on page 2-4 illustrates the Controller board (p/n 824644)

used in the T2050 control.

Principal features to note are the following connectors, DIP

switches and hardware I/O points:

• TS1 – RS-485 Connections: Terminal strip TS1 has the

positive, negative and ground terminals required for

network communications using the RS-485 standard.

• TS2 – Control Inputs: Terminal strip TS2 is used to attach the

seven defined hardware user input points.

• TS3 – Control Outputs: Terminal strip TS3 includes the six

defined hardware user output points.

• TS4: Terminal strip TS4 has the terminals to accept the CT

(current transformer), toroid and OVERTEMP sensor inputs.

• Data Entry Panel Socket: This socket connects the power and

data transmit/receive signals necessary to operate the Data

Entry Panel (DEP).

• K7: This is the Pilot Safety Relay.

• P1 – KEY SW: This jumper is a substitute for an external key

switch.

• SW1: Switch 1 is eight DIP (dual in-line package) switches

used to configure features of the timer.

Questions and Answers:

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WTC Technitron T2050 Specifications

General