Vaisala DMP248 Manuel de service télécharger pdf (Page 129)

APPENDIX 4 ________________________________________________________________________

VAISALA ________________________________________________________________________ 123

Dual loop wiring

• Set the address of the transmitter, it can be any number

between 1 and 99. In this example the address is 22:

>addr 22

Address : 22

•

Set the serial bus settings according to your system. This

setting will become valid after next RESET or power off:

>seri 2400 e 7 1 f

2400 E 7 1 FDX

•

Switch echo on:

>echo on

ECHO : ON

•

Change the serial output mode into POLL:

>smode poll

Serial mode : POLL

NOTE

The SMODE command must be given last.

NOTE

The transmitter outputs no prompt (>) after the SMODE POLL

command and it only reacts to commands which include its address.

• Check that the transmitter responds to its address:

>send 22

Td= -47.4 ’C T= 29.1 ’C

•

Disconnect the terminal.

• Remount the digital current loop module.

• Close the cover.

• Repeat this setting procedure with each transmitter

• When all transmitters on the network have been configured,

switch them off.

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Vaisala DMP248 Manuel de service Page 129