WECON PLC Extend Module LX3V-4TC

The LX3V-4TC analog block amplifies the signal from four thermocouple sensors (Type K or J) andconverts the data into 16 bit reading''s stored in the main unit. Both centigrade (°C) and Fahrenheit(°F) can be read.

Reading resolution is 0.4°C/0.72°F of Type K and 0.3°C/0.54°F of Type J.

The LX3V-4TC can connected to the LX3V series Programmable Controllers (PLC).

All data transfers and parameter settings are adjusted via software control of the LX3V-4TC; by use of the TO/FROM applied instructions in the PLC.

LX3V-4TC consume 5V voltage from LX2N main unit or active extension unit,90mA current of power supply.Thermocouples with the following specifications can be

used:Type K, Type J.

2. External dimensions

①Weight: Approx 0.3 KG

②Size:90mm*60mm*80mm

3.Wiring

① The compensating cables that can be used for connecting with the thrmocouple are the following.

Type K: KX-G, KX-GS, KX-H, KX-HS,WX-G, WX-H,VX-G

Type J: JX-G, JX-H

For every 10Ω of line resistance, the compensating cable will indicate a temperature 0.12℃ higher than actual.

Check the line resistance before using.

Long compensating cables are more prone to noise interference, therefore a short (less than 100m) compensating cable is recommended.

Unused channels should have a wire link connected between the + and - terminals to prevent an errors being detected onthat channel.

② If there is excessive electrical noise, connect the SLD terminal to the ground terminal on the unit.

③ Connect the ground terminals of the LX3V-4TC unit and the main unit. Use grounding on the main unit.

④ The 24V DC built-in supply of the PLC may be used as the power supply.