Vaisala WINDCAP WS425 Guide de l'utilisateur télécharger pdf (Page 33)

Chapter 3 _______________________________________________________________ Installation

VAISALA_______________________________________________________________________ 31

Power Supply Terminal Blocks

Conducting Off-Line Test

1. Turn on the AC power to the wind sensor in your system (system

power distribution).

2. Turn on the power switch in the power supply.

3. Connect a laptop to the TEST connector in the power supply with

an RS-232 cable. Run the Diagnostics Program on the laptop.

Choose the option that connects the sensor to the laptop with the

system disconnected.

4. Issue the WA command. The sensor must respond with a P status.

Table 1 Terminal Block 1

TB1

Terminal Name Description

1 12.6 V_H1 12.6 VAC transformer, line 1

2 12.6 V_CT 12.6 VAC transformer, center tap

3 12.6 V_H2 12.6 VAC transformer, line 2

4 36 V_H1A 24 VAC transformer, line A

5 36 V_H2A 24 VAC transformer, return A

6 36 V_H1B 24 VAC transformer, line B (internally connected to 36 V_H1A)

7 36 V_H2B 24 VAC tansformer, return B (internally connected to 36

V_H2A)

Table 2 Terminal Block 2

TB2

Terminal Name Description

1 TOP_HEAT Top heater line, switched 24 VAC

2 ENCLOSUREHEATB Two of two enclosure heater lines, switched 24 VAC

3 ENCLOSUREHEATA One of two enclosure heater lines, switched 24 VAC

4 RETURN_36VAC_B Heater return, ground at sensor

5 RETURN_36VAC_A Heater return, ground at sensor

6 TOP_CTRL To heater control, >+3 V = ON

7 ENLOSURE_CTRL Enclosure heater control, >+3 V = ON

8 SENSOR+12V +12 VDC to sensor

9 SENSOR_TXD Connect to sensor TX data line

10 SENSOR_RXD Connect to sensor RX data line

11 GND (12V Common) Ground return from sensor

12 GND (RS232 Common) Connect to sensor cable shield

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 90 91

Pas de commentaire

Vaisala WINDCAP WS425 Guide de l'utilisateur Page 33