Vaisala HMP240 - Manual (Page 100)

HMP240
Appendix 2: RS 485/422 serial port module
M210300en
98
NOTE 2
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
RH= 24.4 %RH T= 29.1 'C
• Disconnect the terminal.
• Check that the jumpers in connector X4 are in the right place
X4
X4
X1 X2
• Remount the RS 485/422 serial module.
• Close the cover.
• Repeat this setting procedure with each transmitter.
• When all transmitters on the network have been configured, switch
them off.