Vaisala HMP260 SERIES Servisní příručka stáhnout pdf (Strana 3)

HMP260 SERIES

HMP260-U017en-1.5 Operating Manual

1997-11-25 i

Contents

1. PRODUCT DESCRIPTION ......................................................................................... 1

2. TO BE NOTED WHEN MEASURING HUMIDITY........................................................ 3

3. INSTALLATION.......................................................................................................... 4

3.1. Selecting the place of installation ................................................................ 4

3.2. Mounting........................................................................................................ 5

3.2.1. HMP263 transmitter ......................................................................... 6

3.2.2. HMP264 transmitter ......................................................................... 7

3.2.3. HMP265 transmitter ....................................................................... 10

3.3. Grounding.................................................................................................... 11

3.4. Electrical connections................................................................................. 13

4. COMMISSIONING .................................................................................................... 15

4.1. Security lock jumper ................................................................................... 15

4.2. Selecting the analogue outputs.................................................................. 15

4.3. Connecting the RS 232C serial bus............................................................ 17

4.3.1. Reverting to factory settings of the serial port................................. 19

5. COMMANDS ............................................................................................................ 21

5.1. Commands and security lock jumper......................................................... 21

5.2. LED commands ........................................................................................... 22

5.3. Display/keypad commands ......................................................................... 23

5.3.1. Display mode ................................................................................. 23

5.3.2. Command mode............................................................................. 23

5.3.3. Entering numbers ........................................................................... 23

5.3.4. Analogue output commands ........................................................... 24

5.3.4.1. Selecting the output (mA/V)........................................................ 24

5.3.4.2. Selecting and scaling the analogue output quantities.................. 25

5.3.5. Output via the serial bus................................................................. 26

5.3.5.1. Turning the serial interface echo ON/OFF................................... 26

5.3.5.2. Serial bus settings ...................................................................... 26

5.3.5.3. Setting the transmitter address................................................... 27

5.3.5.4. Selecting the output units ........................................................... 27

5.3.6. Output modes................................................................................. 28

5.3.6.1. Setting the serial interface operation mode................................. 28

5.3.7. Others .......................................................................................... 29

5.3.7.1. Setting the measurement integration time................................... 29

5.3.7.2. Setting the pressure for mixing ratio and wet bulb calculations ... 29

5.3.7.3. Setting the date .......................................................................... 30

5.3.7.4. Setting the time .......................................................................... 30

1 2 3 4 5 6 7 8 ... 117 118

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Vaisala HMP260 SERIES Servisní příručka Strana 3