Vaisala DMP248 Manual de servicio Pagina 129

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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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