Vaisala CARBOCAP GMT220 SERIES Guida Utente Scaricare il pdf (Pagina 10)

USER'S GUIDE_______________________________________________________________________

8 ____________________________________________________________________ M010022EN-C

CHAPTER 4

ELECTRICAL CONNECTIONS

1. Connect the nominal 24 V supply terminals (+) and (-) on the

motherboard (right-hand side, see Figure 6).

2. Connect the analogue output (see Figure 6) as follows:

Terminal 0: the common wire (-)

Terminal V: voltage output signal (+)

Terminal mA: current output signal (+)

If the current output is chosen, select the output range by using the

current output jumper 4mA (see Figure 6). If the range of 4...20mA is

chosen, connect the jumper (default). If the range of 0...20 mA is

chosen, disconnect the jumper.

CAUTION

Connecting power leads to the output terminals can seriously damage

the product.

Current output

(

4 mA

)

Relay jumpers

(

L1 and L2

)

Power supply

terminals

Output terminals

Relay 2

terminals

Relay 1

terminals

4 mA

RELAY 2

RELAY 1

24 V

OUT

(~) +

(~) -

WWW.VAISALA.COM

JVU

Figure 6. Electrical connections and jumpers.

LonWorks

terminals

Serial port

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 27 28

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Vaisala CARBOCAP GMT220 SERIES Guida Utente Pagina 10

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