Vaisala HMP243 Guide de l'utilisateur télécharger pdf (Page 109)

HMP240

M210300en Appendix 3: Digital current loop module

107

>send 22

RH= 24.4 %RH 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.

CHECKING THE SERIAL PORT NETWORK

OPERATION

Measurement readings are normally asked with the transmitter in POLL mode;

the command must include the address of the transmitter. If the settings of the

transmitter need to be changed, the transmitter is switched to STOP mode with

command OPEN; commands can then be given without address. When the line

to the transmitter is closed, it returns to POLL mode.

STOP mode

Open the line to the transmitter:

open 22<cr>

HMP 22 line opened for operator commands

Transmitter no. 22 is now temporarily set to STOP mode; it accepts com-

mands without address until CLOSE command is given. Individual settings

can now be easily modified. Do not open more than one line at a time.

Use command ? to find out the settings of the active transmitter:

? <cr>

HMP 240 / 1.02

CPU serial nr : 0

Keyboard type : 0

Address : 7

Output units : metric

Baud P D S : 4800 E 7 1 FDX

Serial mode : STOP

Output intrv. : 0 min

Mtim : 32

Pressure : 1013.25

Analog outputs

Ch1 0.00 ... 10.00 V

Ch2 0.00 ... 10.00 V

Ch1 ( RH ) lo 0.000 %RH

Ch1 ( RH ) hi 100.000 %RH

Ch2 ( T ) lo -20.000 'C

1 2 ... 104 105 106 107 108 109 110 111 112 113 114 ... 129 130

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Vaisala HMP243 Guide de l'utilisateur Page 109

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