LARTET DT-203P Series, Operation Manual

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Index
1 INTRODUCTION ........................................................................................................................... 1-1
2 GENERAL CHARACTERISTICS. ................................................................................................. 2-1
2.1 Electrical characteristics of the displays ............................................................................... 2-1
2.1.1 Electrical characteristics of the DT-203 displays. ............................................................. 2-1
2.1.2 Electrical characteristics of the DT-105 displays. ............................................................. 2-1
2.1.3 Electrical characteristics of the DT-110 displays. ............................................................. 2-1
2.2 Display Weight and power consumption. ............................................................................. 2-2
2.3 Dimensions of the displays ................................................................................................... 2-3
3 INSTALLATION. ............................................................................................................................ 3-1
3.1 Power supply. ....................................................................................................................... 3-1
3.2 Wiring inputs ......................................................................................................................... 3-2
3.3 Serial line connection ........................................................................................................... 3-2
3.4 Connection between a display and PC computer using RS-232. ........................................ 3-2
3.5 Characteristics of temperature & humidity probe. (Option) .................................................. 3-3
3.6 Wiring of temperature & humidity probe (Option) ................................................................. 3-3
3.7 Connecting displays with protection IP54 or IP65 ................................................................ 3-3
3.8 Reset button ......................................................................................................................... 3-3
4 OPERATION ................................................................................................................................. 4-1
4.1 Initial Start Up. ...................................................................................................................... 4-1
4.2 Message programming. ........................................................................................................ 4-1
4.3 Set parameters. .................................................................................................................... 4-1
4.3.1 Enter to modify parameters. ............................................................................................. 4-2
4.3.2 Exit modify parameters. .................................................................................................... 4-2
4.3.3 Function of each parameter. ............................................................................................. 4-2
4.4 Internal working order ........................................................................................................... 4-4
4.5 Inputs characteristics. ........................................................................................................... 4-5
4.6 How to send messages to the display .................................................................................. 4-5
4.7 General specifications for working with the variables........................................................... 4-5
4.8 Protocols ............................................................................................................................... 4-8
4.8.1 Protocol 512-M. ................................................................................................................ 4-8
4.8.2 Protocol 14M-1 ............................................................................................................... 4-11
4.8.3 Protocol 14M-2 ............................................................................................................... 4-11