Vaisala DRYCAP DMT143 Uživatelská příručka stáhnout pdf (Strana 68)

USER'S GUIDE ____________________________________________________________________

66 ___________________________________________________________________ M211435EN-E

Error Messages

The transmitter has error codes that can be displayed on the serial line

using the ERRS command. See section Show Currently Active Errors on

page 40.

Table 13 Error Messages

Error Message

Possible Cause and Solution

T MEAS error

DRYCAP

sensor damaged or

missing. Contact a Vaisala service

center.

F MEAS error

Voltage error

Supply voltage out of range.

Check and correct.

Voltage too low error

Voltage too low for mA output

Voltage is too low for V output

Program flash check sum error

Internal transmitter error. If the error

remains after a reset and restoring the

factory settings, contact a Vaisala

service center.

Parameter flash check sum error

INFOA check sum error

SCOEFS check sum error

CURRENT check sum error

Unknown Serial Settings

If you are not sure what the current serial settings of your transmitter are,

follow the steps below to connect to the transmitter. This procedure

assumes you have the USB service cable available.

For more information on the USB service cable and the PuTTY terminal

application, see section Serial Communication on page 35.

1. Connect the USB service cable to your PC, but do not connect it to

the transmitter yet.

2. Start a terminal application and open a terminal session using the

default serial settings of 19200 8 N 1.

3. Plug the USB service cable into the transmitter, and immediately

send the hash character # to the serial line:

4. The normal startup of the transmitter is now interrupted, and the

transmitter is available for commands with the default serial

settings.

5. You can now check the transmitter’s information by issuing

the ? command:

The transmitter’s currently stored serial settings are visible on the

line marked Baud P D S.

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 74 75 76

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