Vaisala HMP240 User Manual

Page 100

Advertising
background image

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.

Advertising